Biological Classification Questions

We provide biological classification practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on biological classification skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.

List of biological classification Questions

Question No Questions Class
1 Which one belongs to monera?
A. Amoeba
B. Escherichia
c. Gelidium
D. Spirogyra
11
2 Gram negative monerans lacking cell wall show reproduction by
A. Elementary bodies
B. Binary fission
c. conidia formation
D. Endospore formation
11
3 Body of lichen consists of two dissimilar organisms. Choose the correct option w.r.t. component which
form bulk of the thallus
A. Autotrophic component
B. Prepare food for fungi
c. Form sexual reproductive structure
D. Provide belongs to ascomycetes or sometimes
11
4 How are Archea different from Bacteria
A. can form Methane
B. have different rRNA sequences
C. do not have peptidoglycan in their cell walls
D. all of these are correct
11
5 39. Tiny marine animals which con-
stitute limestone skeletons are
called
(1) Clamitomonous
(2) Foraminifera
(3) Coral reefs
(4) Diatoms
11
6 The highest number of species among the following belong to :
A. Fungi
B. Mosses
c. Algae
D. Lichens
11
7 Arrange the following in correct sequence with reference to sexual reproduction in Rhizopus
I. Formation of germ tube.
II. Formation of zygophores.
III. Formation of warty wall layer of
zygospore.
IV. Secretion of trisporic acid.
The correct sequence is
( mathbf{A} cdot mid mathbf{V}, ) ॥ᅵ, И, 1
B. IV, II, III, I
c. ॥, ।, ।V, ॥॥
D. I, III, II, IV
11
8 How many ascospores are found in an
ascus?
A. 6
B. 8
( c cdot 4 )
( D )
11
9 Which one of the following is a slime mold?
A. Anabaena
B. Rhizopus
c. Physarum
D. Thiobacillus
11
10 Draw a well labelled diagram of
Euglena.
11
11 In which group of fungi, the zoospores possess two oppositely directed flagella, one whiplash and another
tinsel type?
A. Ascomycetes
B. Zygomycetes
c. oomycetes
D. Deuteromycetes
11
12 Select the false statement.
A. Scientists who study and contribute to the classification of organisms are known as systematists.
B. Carolus Linnaeus developed the first scientific system of naming species.
C. A five kingdom arrangement of organisms was introduced by R. H. Whittaker.
D. Genus is a group of species which are related and have less characters in common as compared to species.
E. Phycomycetes are called club fungi because of a club shaped end of mycelium known as basidium.
11
13 Bentham and Hooker proposed their system of classification in
A. Genera Plantarum
B. Species Plantarum
c. Historia Plantarum
D. Historia Naturae
11
14 Bacteria and other monerans do not
possess
A. Ribosomes
B. Mitochondria
c. Plasma membrane
D. Nucleoid
11
15 Which is not found in mushroom?
A. Eukaryotic structure
B. Dikaryotic mycelium
c. Basidiospores
D. Ascospores
11
16 Bacteria which are found in marshy
areas and among the flora of cattle rumen are called
A. Acidophiles
B. Thermophiles
c. Methanogens
D. Thermoacidophiles
11
17 Choose the correct answers from the
alternatives given Which of the following archaea would live at a deep-sea vent?
A. Thermoacidophile
B. Halophile
c. Methanogen
D. Parasitic forms
11
18 A bacterium divides every 35 minutes. If
a culture containing ( 10^{5} ) cells/ml is
grown in 175 minutes, what will be cell
concentration after that period
A ( cdot 175 times 10^{5} )
В. ( 35 times 10^{5} )
c. ( 5 times 10^{5} )
D. ( 32 times 10^{5} )
11
19 Bacteria have been put in the kingdom Monera because they are
A. Prokaryotic
B. Eukaryotic
c. Acellular
D. None of the above
11
20 Clamp connections occur in :
A . Algae
B. Fungi
c. Bryophytes
D. Pteridophytes
11
21 Slime moulds are
A. photosynthetic protists
B. saprophytic protists
( c . ) both (a) and (b)
D. none of these.
11
22 Viruses with two types of symmetry,
that is, icosahedral head and helical tail
are termed as
A. Picornaviruses
B. Binal viruses
c. Riboviruses
D. None of the above
11
23 Mycelium of Mucor/Rhizopus is
A. Aseptate and unicellular
B. Septate and unicellular
C . Septate and multicellular
D. Coenocytic
11
24 A lichen having much branched system of cylindrical or ribbon-like branches but a small thallus, is called as
A. Foliose lichen
B. Fruticose lichen
c. crsutaceous lichen
D. Thallose lichen
11
25 Amanita, a poisonous fungus is
A. Mushroom
B. Bracket Fungus
c. Toadstool
D. Puffball
11
26 Chromatid bodies occur
in Entamoeba during
A. Precyst stage
B. Early cysts
c. Tetranucleate cysts
D. Trophozoites
11
27 Discuss how the classification system has undergone several changes over a period of time? 11
28 Choose the correct answers from the
alternatives given Heterothallism in fungi was first discovered by:
A . A. E Blakeslee
B. c. B. Huggins
c. Alexander Fleming
D. Robert Whittaker
11
29 Marsh gas is produced by
A. Mycoplasma
B. Myxobacteria
c. Methanogens
D. Halophiles
11
30 Most characteristic feature of diatoms
is
A. Pigments
B. Stored food
c. Cell wall
D. Non-oxygenic photosynthesis
11
31 Decomposer protists are
A. Diatoms
B. Dinoflagellates
c. slime moulds
D. Euglenoid
11
32 Early blight of potato is caused by
A. Fusarium
B. Alternaria
c. Pythium
D. Cercospora
11
33 Which one of the following cocci appear as bunch of grapes under microscope
A. Streptococci
B. Diplococci
c. staphylococci
D. Pneumococci
11
34 Multinucleate decomposer organism is
A. Physarum
B. Pelomyxa
c. Arcella
D. Dictyoastelium
11
35 Which of the following microbe is used as an insecticide?
A. Protozoa
B. Fungi
c. virus
D. None of the above
11
36 According to Tippo, BGA are included in
A. chrysophyta
B. Pyrrophyta
c. chlorophyta
D. cyanophyta
11
37 Sex factor of bacteria is
A. Replicon
B. F-factor
c. sex pil
D. sRNA
11
38 What of the following is true of the
virus?
A. They are obligate intracellular parasites.
B. They are bigger than bacteria.
C. They contain both DNA and RNA.
D. They are non-specific for their hosts.
E. They can reproduce in non-living medium.
11
39 Production of zoospores is characteristic of members of :
A. Ascomycetes
B. Phycomycetes
c. Basidiomycetes
D. Deuteromycetes
11
40 Give a brief account on the
need of classification?
11
41 Which of the following does not apply to
ascomycetes?
A. Mycelium is coenocytic and aseptate.
B. Commonly known as sac fungi
C. Asexual spores called conidia are produced exogenously.
D. Sexual spores called ascospores are produced endogenously.
E. They are saprophytic, decomposers, parasitic or coprophilous.
11
42 Amoeba sticks to substratum by means
of
A. Rough surface
B. Plasmalemma
c. Protein
D. None of the above
11
43 Statistical method is used in
type of classification.
A. Phenetic
B. Numerical
c. Adansonian
D. All of the above
11
44 A dikaryotic cell has
A. Two haploid nuclei
B. Diploid zygote
C. Two similar nuclei
D. Two dissimilar haploid nuclei
11
45 Strong odoriferous fungus is
A. Phallus
B. Rhizoclonium
c. Helminthosporium
D. Fusarium
11
46 The viruses which can cause bacterial
diseases are called
A. Slime moulds
B. Smuts
c. Bacteriophages
D. Bacteriomosaics
11
47 A bacterial colony is produced from
A. A single bacterium by its repetitive division
B. Multiple bacterium without replication
C . Clumping of two to three bacteria
D. A single bacterium without cell division
11
48 Multiplication of slime moulds occurs
through
A. Binary fission
B. Plasmotomy
c. Multiple fission
D. Both A and B
11
49 Assertion
Slime moulds are advanced protista.
Reason
They form hard resting bodies like fungi
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct.
11
50 Which is associated with asexual
reproduction in fungi?
A. Ascospores
B. Basidiospores
c. zygospores
D. conidiospores
11
51 The jaundice is a physiological liver dis ease. It is most commonly caused by a
A. Bacterium
B. Virus
c. Both A and B
D. Helminth
11
52 Which of the following is Iron bacterium?
A. Beggiotoa
B. Geobacillus
c. Thiobacillus
D. None of these
11
53 Neurospora crassa is widely used in genetical studies because of all the
following except one.
A. It is a haploid plant and mutations can be easily detected
B. It can be easily cultured
c. Life-cycle short
D. spores are not affected by mutagens
11
54 All are true about Shigella sonnei except
A. It causes the mildest form of dysentery.
B. It causes enteric fever.
( mathbf{c} ). It is a late lactose fermenter
D. It is motile.
11
55 Protozoans thrive successfully in diverse conditions owing to their
A. Motility
B. Rapid reproduction
c. Ability to manufacture food
D. Specialised organelles
11
56 In which of the following is true bacteria?
A. Archea Bacteria
B. Cyano Bacteria
c. Eu bacteria
D. Both B and C
11
57 Which of the following does not belong to the kingdom Protista?
A. Chrysophytes
B. Euglenoids
c. Ascomycetes
D. Dinoflagellates
11
58 A fungal spore
A. Contains an embryonic organism
B. Germinates directly into an organism
C. Is always windblown
D. Both
(b) and (c)
11
59 Select incorrect statements W.r.t.
dinoflagellates
A. Theca is absent in zooxanthellae
B. Ribbon like flagellum is present in girdlel
c. Have condensed chromosomes with histones
D. Have noncontractile vacuole
11
60 Saprolegnia is a best example for demonstrating
A. Heterospory
B. Dichogamy
c. Herkogamy
D. Diplanetism
11
61 Short / Long answer type questions. Despite the great heterogeneity of representative protistans, are there features that all members share? 11
62 Anaerobic synthesis is found in bacteria which is
A. Endergonic
B. Exergonic
c. Isothermal
D. None of the above
11
63 Dinoflagellates belongs to
A. Pyrrophyta
B. chrysophyta
c. Sporozoa
D. zooflagellata
11
64 Every 20 minutes, one bacterium divides into two. How many bacteria will
be produced after two hours, if one starts with 10 bacteria?
A ( cdot 2^{5} times 10 )
B . ( 2^{5} times 10^{5} )
c. ( 2^{6} times 10 )
D. ( 2^{6} times 10^{6} )
11
65 Hypotheca of parent diatom forms in daughter
A. Hypotheca
B. Epitheca
c. Is shed
D. Forms the whole frustule
11
66 Monera is divided into
A. Archaebacteria and Eubacteria
B. Animalia and Plantae
c. chordata and Hemichordata
D. None of the above
11
67 38. Bacteriophage was discovered
by
(1) Felix d’Herelle and Freder-
ick Twort
(2) Kluyver and Niel
(3) Paul Ehrlich
(4) Burrill and Smith
11
68 Spore producing body of a cellular slime mould is
A. Pseudoplasmodium
B. Plasmodium
c. sporangium
D. Sporophore
11
69 An acellular slime mould is
A. Dictyostelium
B. Fuligo
c. Polysphondylium
D. All of the above
11
70 Read the following statements regarding euglenoids and select the incorrect ones.
(i) These are mostly freshwater organisms found in stagnant water.
(ii) Their body is covered by a protein rich layer called pellicle which makes their body flexible.
(iii) They are photosynthetic in the presence of sunlight but become heterotrophs in the absence of sunlight.
(iv) They usually possess two flagella, one long and one short.
(v) Euglenoids are multicellular ciliate protists.
A ( cdot ) (i) and (v)
B. (iv) and (v)
c. (iii) only
D. (v) only
11
71 Differentiate between.
Lymphocytes and monocytes.
11
72 Photosynthetic protists having trichocysts are
A. Dinophyceae
B. Ciliates
c. Bacillariophyceae
D. Euglenophyceae.
11
73 In Basidiomycotina, well-developed sex organs are present.
A. True
B. False
11
74 What are the characteristic features of
Euglenoids?
11
75 Choose the correct answers from the
alternatives given.
Facultative anaerobes:
A. require a constant supply of oxygen
B. are killed in an oxygenated environment
c. do not always need oxygen
D. are photosynthetic but do not give off oxygen
11
76 Short / Long answer type questions. On what basis are fungi classified? 11
77 Thread-like filaments which form the
body of the fungi are
A. Rhizoids
B. Paraphyses
c. Hyphae
D. Haptera
11
78 Gametic meiosis occurs in Protists,
which are
A. Diploid
B. Haploid
c. Tetraploid
D. Mesokaryotic
11
79 Rickettsia constitute a group under
A. Bacteria
B. Viruses
C. Independent group between bacteria and viruses
D. Fungi
11
80 Methanogens can be found
A. In swamps
B. In a cow’s stomach
c. In marshes
D. All of the above
E. None of the above
11
81 Basophilic prokaryotes
A. Grow and multiply in very deep marine sediments
B. Occur in wawter containing high concentrations of barium hydroxide
C. Readily grow and divide in sea water enriched in any soluble salt of barium
D. Grow slowly in highly alkaline frozen lakes at high altitiudes
11
82 Respiratory enzymes are found associated with plasma membrane in
A. clostridium
B. Chlorella
c. chara
D. chlamydomonas
11
83 Fungi share all of the characteristics listed below with plants except
A. Heterotrophy
B. Sexual reproduction
c. composed of eukaryotic cells
D. Engage in mutualistic relationships with other organisms
E. Multicellularity
11
84 Taxonomically, the most controversial group is
A. Dinoflagellates
B. Diatoms
c. Euglenoids
D. Prokaryotes
11
85 The bacteria that commonly live in animal and human intestine is
A. Vibrio cholerae
B. Bacillus anthracis
c. corynebacterium
D. Escherichia coli
11
86 The diatomaceous earth is used for
insulating boilers and steam pipes, because
A. The diatomaceous earth is very cheap.
B. It is a good conductor of heat
c. It is a bad conductor of heat.
D. It is composed of calcium carbonate.
11
87 Among the cell structures and
materials of bacteria listed below,
which one would be innermost if
arranged in proper order?
A. Glycocalyx
B. Plasma membrane
c. Primary cell wall
D. secondary cell wall
11
88 Dikaryon formation is characteristic of
A. Ascomycetes and basidiomycetes
B. Phycomycetes and basidiomycetes
C. Ascomycetes and phycomycetes
D. Phycomycetes and zygomycetes
11
89 Mention the role of Methanobacterium in
rumen of cattle.
11
90 The common mode of reproduction in Rhizopus is by
A. Sporangiospores
B. Oidia
c. Plasmospores
D. Zoospores
11
91 Red rot of sugarcane’ and ‘white rust of radish’ are respectively caused by
A. Albugo candida and Cerospora
B. Colletotrichum and Fusarium
c. Phythium and Phytophthora
D. Albugo candida and Puccinia graminis
E. Colletotrichum and Albugo candida
11
92 A phagotrophic euglenoid is
A. Euglena
B. Peranema
c. Rhabdomonas
D. Both B and C
11
93 In Bentham and Hooker’s system
classification, ranales are included
under
A. Calyciflorae
B. Inferae
c. Disciflorae
D. Thalamiflorae
11
94 The protistans in which cell size decreases with each division are
A. Dinoflagellates
B. Diatoms
c. slime Moulds
D. Radiolarians
11
95 Choose the odd members of pyrrophyta.
A. Gonyaulax
B. Noctiluca
c. Gymnodinium
D. Physarum
11
96 Cell of Amoeba is
A. Spindle shaped
B. Broad shaped
C. Spherical in shape
D. Indefinite in shape
11
97 Which of the following type of life cycle is observed in Saccharomyces cerevisiae?
A. Haplontic
B. Diplontic
c. Haplo-diplontic
D. Diplo-haplontic
11
98 Food is stored in Rhizopus/ Cystopus
Fungi as
A. Protein and steroids
B. Sugar and oil
c. Protein and starch
D. Glycogen and oil
11
99 crystallised the TMV and found it to be largely composed of
A. Ivanowsky, RNA
B. Beijerinck, DNA
c. Twort, protein
D. Stanley, protein
11
100 Which one of the following is a bioindicator of air pollution?
A. Fern
B. Lichen
c. Money Plant
D. Dodder
11
101 Murein does not occur in the wall of
A. Diatoms
B. Nostoç
c. Eubacteria
D. Blue green algae
11
102 causes the smut of crop plants.
A. Puccinia
B. cystopus
c. ustilago
D. Agaricus
11
103 Fill in the blanks with approprite words. A thick-strand of underground hyphae resembling a root is known as…. 11
104 A group of fungi with septate mycelium in which sexual repoduction is either unknown or lacking are classified under
A. Phycomycetes
B. Deuteromycetes
c. Ascomycetes
D. Basidiomycetes
11
105 Progressive diminishing size of
diatoms is prevented by the production of
A. Auxospores
B. Arthrospores
c. zoospores
D. Basidiospores
11
106 32. Euphenics is
(1) Treatment of defective he-
redity through genetic engi-
neering
(2) Manipulation of genes
(3) Improvement of race
(4) Study of conditions affecting
organisms
11
107 Protists having transverse and longitudinal groove in their theca are
A. Foraminiferans
B. Radiolarians
c. Diatoms
D. Dinoflagellates
11
108 Give suitable examples of the following:
(a) Rod-shaped bacteria
(b) Pigments of cyanobacteria
(c) Nitrogen fixing
monerans.
11
109 Which of the following scientist has made a significant contribution in the field of classification?
A. Pasteur
B. Oparin
c. Darwin
D. Linnaeus
11
110 Taxonomic system based only on the traits, that reflect the order in time in
which branches arose in phylogenetic tree is called as
A. Phylogeny
B. Cladistics
c. classical evolutionary taxonomy
D. Phenetics
11
111 Sexual reproduction is absent in
A. Phycomycetes
B. Deuteromycetes
c. zygomycetes
D. Basidiomycetes
11
112 Which of the following is not true for
Nostoc?
A. Autotrophic
B. Filamentous
c. Macroscopic
D. Prokaryotic
11
113 A dinoflagellate with nematocysts is
A. Nematodinium
B. Ceratium
c. Gonyaulax
D. symbodinium
11
114 In fungi, sporangiospores and ascospores are found in bag-like
structures but are always present in
even numbers. These spore types are not same because
A. They are basically the same, but the sporangiospores are always larger.
B. Ascospores are formed as a result of meiosis, while sporangiospores are a result of mitosis
c. Sporangiospores are produced by sexual recombination, while ascospores are produced asexually.
D. They are basically the same, but ascospores are always larger.
E. The structure are the same, but they were named differently before they were determined to have the same function
11
115 Match the lists and find the correct
option.
(a) Viroid infecting
(i) 6,500 nucleotides tomato plant
(b) ( T M V )
(ii) ( 300-400 ) nucleotides
(iii) Two identical
(c) Polio virus ( quad ) molecules of ( R N A )
(d) Lentivirus
(iv) Many sided
(v) Prion
( A cdot(a)-(i i),(b)-(i),(c)-(i v),(d)-(i i i) )
B. (a) – (iii), (b) – (i), (c) – (iv), (d) – (ii)
C. ( (a)-(i i),(b)-(i v),(c)-(v),(d)-(i) )
D. ( (a)-(i),(b)-(i v),(c)-(v),(d)-(i) )
11
116 In Paramecium undigested food is eliminated from the body through
A. cytoproct
B. Contractile vacuoles
c. General body surface
D. cytostome
11
117 single-celled eukaryotes are included in
A. Monera
B. Protista
c. Fungi
D. Archaea
11
118 Which one among the following is
correct?
A. Gametes are invariably haploid
B. Spores are invariable haploid
C. Gametes are generally haploid
D. Both spores and gametes are invariably haploid
11
119 Assertion
The fungi are widespread in distribution and they even live on or inside other plants and animals.
Reason
Fungi are able to grow anywhere on land, water or on other organisms
because they have a variety of pigments, including chlorophyll, carotenoids, fucoxanthin and
phycoerythrin.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
120 A bacterium has a generation time of
50 minutes. A culture containing ( 10^{8} ) cells ( m L ) is incubated for 300 minutes.
What will be the number of cells after
300 minutes?
A ( cdot 64 times 10^{3} ) cells
B . ( 64 times 10^{8} ) cells
c. ( 64 times 10^{9} ) cells
D. ( 64.4 times 10^{9} ) cells
11
121 Dictyostelium is
A. Cellular slime mould
B. Plasmodial slime mould
C. Water mould
D. None of the above
11
122 Vibrio are
shaped bacteria.
11
123 Endospores develop in
A. Mucor and Bacillus
B. Saccharomyces and Clostridium
C. Monococcus and Clostridium
D. Bacillus and Clostridium
11
124 Ceratium is
A. Dinoflagellate
B. Diatom
C. Slime Mould
D. Sporozoan
11
125 Which of the following is not a locomotory organelle of protozoans
A. Pseudopodia
B. cilia
c. Flagella
D. Parapodia
11
126 Which one of the following is wrong for
fungi?
A. They are heterotrophic.
B. They are both unicellular and multicellular.
C. They are eukaryotic.
D. All fungi posses a purely cellulosic cell wall.
11
127 The characters related to ascomycetes
are
A. Septate branched mycelium
B. Mitospores produced exogenously in chains
C. ( 4-8 ) ascospores inside a sac like ascus
D. All of the above
11
128 An unarmoured dinoflagellate is
A. Ceratium
B. Noctiluca
c. Gonyaulax
D. Both B and C
11
129 In what respect do you consider
bacteria as simple organisms?
11
130 Infective stage of Entamoeba histolytica
is
A. Trophozoite
B. Pre-cyst
c. Uninucleate cyst
D. Tetranucleate cyst
11
131 Eukaryotic, achlorophyllous and heterotrophic organisms are grouped under which of the following kingdoms?
A. Monera
B. Protistata
c. Fungi
D. Plantae
11
132 What are protozoa? 11
133 The factor which influences unicellular
organisms to keep spherical shape is
A. Surface tension
B. Osmosis
c. viscosity
D. Protoplasm
11
134 Pseudoplasmodium is characteristic of
A. Bacteria
B. Acellular slime molds
c. Diatoms
D. Cellular slime molds
11
135 Which of the following book was written by Theophrastus?
A . ‘Enquiry into Plants’s
B. ‘On the Causes of Plants
c. ‘Historia Plantarum’
D. All of the above
11
136 Cytosis is absent in
A. Diatoms
B. Eubacteria
c. Algae
D. Plantae.
11
137 Carolus Linnaeus classified plant kingdom on the basis of
A. Floral morphology
B. Overall morphology of plants
c. Type of sexual reproduction
D. Anatomical character
11
138 Armoured cell wall and biflagellated cells are characteristic of
A. Bascillariophyta
B. Pyrrophyta
c. Euglenophyta
D. cyanophyta
11
139 Sporangiospores of Mucor are
A. Haploid
B. Diploid
c. Triploid
D. Polyploid
11
140 Which of the following represents obligate anaerobes.
A. Spirogyra
B. Pisum sativum
c. onion
D. Methane bacteria
11
141 Choose the correct answers from the
alternatives given Which of the following archaea would live at a deep-sea vent?
A. Heterotrophic nutrition
B. Prokaryotic organisation
c. Presence of flagella
D. Rigid cell wall
11
142 Leptothrix is a
A. Nitrifying bacteria
B. Sulphur bacteria
C. Iron bacteria
D. Hydrogen bacteria
11
143 The flagellate structures in acellular slime moulds are
A. Myxamoebae
B. Swarm cells
c. spores
D. Both B and C
11
144 Protists are
A. Unicellular and prokaryote
B. Unicellular and eukaryote
C. Multicellular and eukaryote
D. Autotroph and heterotroph
( A cdot A, B ) and ( C )
B. B, C and D
( c cdot c ) and ( D )
D. B and D
11
145 Dinoflagellates are mostly
A. marine and saprophytic
B. freshwater and photosynthetic
C. marine and photosynthetic
D. terrestrial and photosynthetic
11
146 Bacteria cannot be seen with the naked
eyes, but these can be seen with the
help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes under a
microscope, which sample would you carry and why?
11
147 Which of these is a bioindicator?
A. Lichens tracing the presence of pollution
B. Fossil lichens
c. special type of litmus paper
D. None of the above
11
148 Viroids have a
A. ( d s R N A ) enclosed by a protein coat
B. ( d s D N A ) not enclosed by a protein coat
C. ssRNA enclosed by a protein coat
D. ssRNA not enclosed by a protein coat
11
149 Which one of the following group of
fungi is sometimes known as “fungal
waste basket”.
A. Phycomycetes
B. Ascomycetes
c. Basidiomycetes
D. Deuteromycetes
11
150 Methanogens, growing anaerobically on cellulosic material produce.
A. Methane
B. Methane and carbon dioxide
c. Methane and hydragen
D. Methane, carbon dioxide and hydrogen
11
151 “Dolipore septum” is the characteristic
of
A. Myxomycetes
B. Phycomycetes
c. Deuteromycetes
D. Basidiomycetes
11
152 State which statement is true
about asexual reproduction?
This question has multiple correct options
A. It is uni parental in nature.
B. It is bi parental in nature.
C. Daughter cells contain genetic material same as parent cell
D. Daughter cells do not contain genetic material same as parent cell.
11
153 Match the following 11
154 Fungi:
A. Are mostly multicellular
B. Are mostly unicellular
C. Prefer to grown in warm and dry places
D. May be autotrophs
11
155 Select the correct matches.
(a) Nitrosomonas – nitrite to nitrate
(b) Thiobacillus – denitrification
(c) Nostoc – free-living nitrogen fixer
(d) Azotobacter – anaerobic nitrogen fixer
A. a and
B. b and c
( c . ) a and ( c )
D. c and d
E. b and d
11
156 Now protozoans are not included in kingdom Animalia, because these are
A. Unicellular prokaryotes
B. Multicellular prokaryotes
c. Unicellular eukaryotes
D. Mostly asymmetrical
11
157 The outer proteinaceous coat of a virus
is known as the
A. capsid
B. Viron
c. Cell wall
D. Plasmalemma
11
158 Which structures are found in
mycoplasmas, spirochaetes and
rickettsias?
A. DNA
B. RNAA
c. Ribosomes
D. All of the above
11
159 Assertion
Achlorophyllous, multicellular and
eukaryotic decomposers are fungi.
Reason
Fungi have cell wall rich in cellulose and specialized chitin.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion.
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
C. Assertion is correct but Reason is incorrect.
D. Assertion is incorrect but Reason is correct.
11
160 In Paramecium, beating of cilia is controlled by
A. Neuromotor system
B. Kinety
c. Kinetosome
D. Pellicle
11
161 Last step in biogas production is carried out by
A. Decomposer microbes
B. Fermentative microbes
c. Methanogens
D. Thermoacidophiles
11
162 What are
(i) methanogens (ii) Halophiles (iii) thermoacidophiles?
11
163 The type of nutrition present in
Entamoeba is
A. Saprozoic
B. Parasitic
c. Autotrophic
D. None of these
11
164 Which of the following unicellular algae reproduce by auxospores, have silicified cell wall and store food in the form of
fats, leucosin and chrysolaminarin?
A. Diatoms
B. Yellow green algae
c. Dinoflagellates
D. Euglenoids
11
165 Match the terms to these definitions.
Conjugation, transformation, transduction, phototrophs, saprotrophs, archaebacteria, actinomycetes, mycoplasma, thermoacidophiles, methanogens, halophiles, vibrio, Bacillus, micrococcus, helical, staphylococcus. a kind of archaebacteria, found in
hot sulphur springs.
11
166 These are the organisms which are called prokaryotes.
A. Green algae, brown algae and red algae
B. Yeasts and other fungi
c. Mycoplasmas, bacteria, cyanobacteria
D. None of the above groups
11
167 Match column I with column II and
select the correct option from the codes
given.
Column I
A. Binomial nomenclature
(i) Hippocrates
B. The Darwin of the ( 20^{t h} )
(ii) Ernst Mayr century
C. Father of botany
(iii) Linnaeus
(iv)
D. Father of medicine ( quad ) Theopharastus
( A cdot A-(text { iii) }, B-(i i), C-(i v), D-(i) )
B. A-(iii), B-(ii), C-(i), D-(iv)
C ( . A-(i), B-(i i), C-(i i i), D-(i v) )
D. A-(ii), B-(iii), C-(iv), D-(i)
11
168 All of the following are the characteristics of the kingdom Protista
except
A. Members can be photosynthetic
B. Members can be free living
c. Some members move via flagella
D. Some members are shaped like rods and termed bacill
E. Some members spend part of their life cycle inside insects
11
169 A spore producing plant is
A. Rose
B. Bread mould
c. Potato
D. Ginger
11
170 Amphitrichous flagellation has
A. Flagella absent
B. Flagella at one end
c. Flagella at both the ends
D. Flagella all around
11
171 Viruses multiply in
A. Bacteria only
B. All living cells
C . Specific living cells
D. Rotten food
11
172 The smallest eubacterium Dialister
pneumosintes ( (0.15-0.3 mu) ) occurs in
A. Colon of man
B. Fat body of cockroach
c. Nasal chamber of man
D. Soil
11
173 Select the option that correctly
identifies the different genera ( (A, B, C ) and D) of Kingdom Fungi shown in figure
A. A – Mucor, B – Saccharomyces, C – Morchedia, D Amanita
B. A – Mucor, B – Saccharomyces, C – Penicillium, D Agaricus
c. A – Rhizopus, B – Sacchaormyces, C – Asperillius, D Morchella
D. A – Aspergillus, B – Rhizopus, C – Penicillium, D Agaricus
11
174 Identify a unicellular organism often considered as a connecting link between plants and animals.
A. Monocystis
B. Paramecium
c. Euglena
D. Entamoeba
11
175 Patterns of feeding and digestion in
Protozoa?
11
176 Group of bacteria used in biogas production is
A. Eubacteria
B. Organotrophs
c. Methanotrophs
D. Methanogens
11
177 Which of the following statements regarding the protozoans is correct?
A. They are unicellular.
B. They are eukaryotic
c. They are heterotrophic.
D. All of the above.
11
178 Assertion
Slime moulds are excellent material for
the study of protoplasm.
Reason

They lack cell organelles.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion.
B. Both Assertion and Reason are correct but Reason is
not the correct explanation for Assertion.
C. Assertion is correct but Reason is incorrect.
D. Both Assertion and Reason are incorrect.

11
179 Methanogens have a unique form of energy metabolism in which ( ldots ). is
used to reduce
11
180 Which characteristic property of the
fungi made them be placed in a separate kingdom?
A. Cell wall composition
B. Cell wall structure
C. Nutrition
D. None of these
11
181 Main component of fungal cell wall is :
A. Cellulose
B. Chitin
c. Pectin
D. Dextrin
11
182 Assertion
All food chains will come to stand still if
bacteria disappear from earth.
Reason
Bacteria are only associated with the soil fertility and hardly have any role in food chains.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct
11
183 Bioluminescence was first recorded in
A. Gonyaulax
B. Peridinium
C. Noctiluca
D. Pyrodinium
11
184 Metaboly is characteristics of
A. Amoebids
B. Heliozoans
c. Euglenoids
D. Dinoflagellates
11
185 Penicillin and vancomycin do not inhibit Mycoplasma as it lacks
A. Cell wall
B. Nucleus
c. Mitochondria
D. Golgi body
11
186 Foliose lichen is
A. Cladonia
B. Glomus
c. Usnea
D. Parmelia
11
187 Refer to the given figure and select the
incorrect option regarding it.
A. It belongs to Class Basidiomycetes.
B. It is a non-edible, poisonous mushroom.
C. It possesses an umbrella like basidiocarp.
D. The basidiospores in it, are exogenously produced on the basidium
11
188 Q Type your question
are true?
a. In phase 3 , some bacteria may be
dividing.
b. Phase 2 is called as the lag phase and phase 1 is called as the log phase.
c. Phase 4 could be caused by the buildup of metabolic toxins.
d. Growth in phase 2 follows an exponential progression.
e. The fastest rate of growth is seen at
the plateau, i.e., phase 3
( A cdot a, b ) and ( c )
B. b and e
( c . a, c ) and ( d )
D. a and d
11
189 Edible part in mushrooms is
A. Basidiospores
B. Mycelium
c. Pseudomycelium
D. Complete basidiocarp
11
190 Protists obtain food as
A. Photosynthesizers and symbionts
B. Photosynthesizers
C. Chemosynthesizers
D. Holotrophs
11
191 Fungal cell wall is formed of :
A. Pectin
B. Hemicellulose
c. chitin and cellulose
D. Chitin and pectin
11
192 How did Whittaker classify the
organisms? What was the basis for classification?
11
193 Classification of life forms is closely
related to their evolution.’ Do you agree
with this statement? Comment with an
example.
11
194 Differentiate between ( n, 2 n ) and ( n+n ) conditions. 11
195 According to five kingdom system, the unicellular algae like Dinoflagellates, Diatoms and Euglenoids are included in
kingdom
A. Monera
B. Protista
c. Plantae
D. Animalia
11
196 Assertion
Euglenoids change their shape.
Reason
They have no rigid cell wall.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion.
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
C. Assertion is correct but Reason is incorrect.
D. Both Assertion and Reason are incorrect.
11
197 What is pure culture? 11
198 Slime moulds in the division
Myxomycota (true slime moulds) have
A. Feeding stages consisting of solitary individual cells
B. Spores that develop into free living amoeboid cells
c. spores that develop into flagellated gametes
D. None of the above
11
199 The gills of mushroom
A. Bear spores which help in reproduction
B. Help in nutrition
C. Help in respiration
D. Help in enhancing buoyancy
11
200 Witches Broom of Potato Tree is caused
by
A. Mycoplasma
B. Bacteria
c. Viruses
D. All the above
11
201 Which of the following eukaryotes are devoid of histone proteins?
A. Golden algae
B. Euglenoids
c. Fire algae
D. Slime mould
11
202 Which of the following constitutes an edible fungi?
A . Agaricus
B. Morchella
c. Lycoperdon
D. Both A and B
11
203 In fungi, mycelium breaks into fragments of hyphae and each broken fragment give rise to a new mycelium. Which of the following explains this process?
A. Fragmentation
B. Budding
c. Fermentation
D. Sedimentation
11
204 Write down the general features of
fungi
11
205 In slime moulds, the somatic phase is
A. Naked
B. Covered by cell wall
c. Diploid
D. Haploid
11
206 The structure producing basidium in
Basidiomycetes is formed by the fusion of
A. Two vegetative cells
B. Two male gametes
C. Two female gametes
D. Male and female gametes
11
207 During reproduction in certain fungi when the two hyphae fuse together, there is fusion of cytoplasm, but the nuclei remain separate. What is this phenomenon known as?
A. Syncytum
B. Karyogamy
c. Plasmogamy
D. Fibroblast
11
208 How many organisms in the list given are autotrophs Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter
Streptomyces, Trypanosoma, Porphyra, Wolffia
A. Four
B. Five
( c . ) six
D. Three
11
209 Assertion
Archaebacteria are able to survive in
harsh habitats.
Reason
Presence of peptidoglycan in cell wall
help archaebacteria to survive in extreme conditions.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
c. If assertion is true but reason is false.
D. If both assertion and reason are false
11
210 Which of the following statement is/are true about mycoplasmas?
A. They can survive without oxygen.
B. They are resistant to penicillin.
c. They are smallest, cell wall less prokaryote
D. All of the above.
11
211 Locomotive structures found in some
protists include
A. Muscles
B. Flagella
c. Tentacles
D. contractile vacuoles
11
212 Organisms called methanogens are most abundant in
A. Polluted stream
B. Cattle yard
c. sulphur rock
D. Hot spring
11
213 Escherichia coli is abundantly found in
A. water
B. Soil
c. мilk
D. Human intestine
11
214 Slime Moulds belong to
A. Fungi
B. Protista
c. Monera
D. Plantae
11
215 Bioluminescence is shown by
A. Ceratium
B. Chlorella
c. Hirudinaria
D. chlamydomonas
11
216 Which of the following are a group of protists?
A. Euglena, Dinoflagellates and Yeast
B. Amoeba, Paramecium, Hydra
c. Euglena, Paramaecium, Mushroom
D. Amoeba, Paramaecium and Dinoflagellates
11
217 Fungi also grow on
A. Pickles
B. Leather
c. clothes and other articles
D. All of the above
11
218 BNHS is abbreviation of
A. Banaras Natural history Society
B. Bombay Natural History Society
C. Botanical North Himalayan Survey
D. Biological Natural History Society
11
219 Many fungi display the phenomenon of heterothallism. What exactly
heterothallism?
A. Presence of different types of hyphae acting as male or female
B. Production of different kinds of spores
C. Presence of a net-like mycelium
D. Ability to produce both sexually as well as asexually
11
220 Structure of eubacterial cell. 11
221 Myxamoebae’ of slime moulds are This question has multiple correct options
A. Active vegetative forms
B. Stages to overcome unfavourable conditions
c. Gametes, which undergo sexual reproduction
D. Resultants of sexual reproduction
11
222 Mosaic disease was first reported by
A. Adolf Mayer
B. Robley Williams
c. Louis Pasteur
D. None of the above
11
223 The disease ‘witch’s broom’ of
leguminosae family is caused by a
A. Virus
B. Mycoplasma
c. Protozoan
D. Fungus
11
224 Outer limiting layer of mycoplasma is formed of
A . Slime
B. Mucilage
c. Cell wall
D. Cell membrane
11
225 Aristotle wrote
A. Historia Animalium.
B. De Partibus Animalium.
C. De Generatione Animalium.
D. All the above.
11
226 Which of the following is considered Drosophila of a plant kingdom?
A. Neurospora
B. Synchytrium
c. Peziza
D. Amanita
11
227 Plasmogamy is fusion of
A. Two haploid cells including their nuclei
B. Two haploid cells without nuclei fusion
C . Sperm and egg
D. Sperm and two polar nuclei
11
228 Which of the following is a not plant disease caused by mycoplasma
A. Bunchy top of papaya
B. Aster yellow disease of sunflower
c. Little leaf disease of brinjal
D. Green ear disease of bajra
11
229 In Albugo, the food reserve is mostly
A. Glycogen
B. Volutin granules
C. Protien granules
D. Fat
11
230 ‘Red tides’ are produced by massive blooms of which of the following?
A. Diatoms
B. Red algae
c. Dinoflagellates
D. Brown algae
11
231 Choose the correct answers from the
alternatives given Which of the following groups of components is found in all viruses?
A. Envelope, nucleic acid, capsid
B. DNA, RNA and proteins
c. Proteins and a nucleic acid
D. Proteins, nucleic acids, carbohydrates, and lipids
11
232 Proteinaceous infectious particles
causing diseases are
A. Prions
B. Viroids
c. Viruses
D. chlamydia
11
233 Which of the following bacteria is observed as chain-like formation?
A. Escherichia coli
B. Bacillus subtilis
c. streptococcus phosphatase
D. Micrococcus flavus
11
234 Fungi which occur on wood are
A. Epibiotic
B. Eucarptic
c. Epixylic
D. Epigeon
11
235 Fungi lack chlorophyll and hence cannot prepare their own food. To which kingdom do fungi belong and in what form is their food reserved?
A. Mycota, starch
B. Mycota, glycogen
c. Thallophyta, starch
D. Thallophyta, glycogen
11
236 With a growth rate of about ( 5 mathrm{mm} ) a minute, it is one of the fastest growing organisms in the world. It is also known as ‘the lady of the white veil’. Identify it
A. Sphagnum moss
B. Stinkhorn fungus
c. Bamboo
D. Clubmoss
11
237 Choose the photosynthethic protozoa from the following.
A. Euglena
B. Plasmodium
c. Paramecium
D. Amoeba
11
238 Diatoms float in water due to
A. Stored fats
B. Gas vacuoles
c. Flagella
D. Air chambers
11
239 T-bacteriophages possess
A. Rounded shape
B. Tadpole shape
C . Irregular shape
D. Rhomboid shape
11
240 Which one of the following shows the presence of cell wall and absence of chloroplast?
A. Amoeba
B. Chordate
c. Plant
D. Fungus
E. Bacteria
11
241 Thermococcus, Methanococcus and
Methanobacterium exemplify
A. Bacteria that contain a cytoskeleton and ribosomes
B. Archaebacteria that contain protein homologous to eukaryotic core histones
C. Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
D. Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
11
242 Choose the wrong statement:
A. Penicillium is multicellular and produces antibiotics.
B. Neurospora is used in the study of biochemical genetics.
C. Morels and truffles are poisonous mushrooms.
D. Yeast is unicellular and useful in fermentation.
11
243 Assertion
Diatom frustules pile up at the bottom of water bodies and form big heaps of diatomite or diatomaceous earth.
Reason

Diatom frustules are resistant to
natural degradation.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect

11
244 A few organisms are known to grow and
multiply at temperatures of ( 100^{0} mathrm{C} )
( 105^{0} mathrm{C} . ) They belong to
A. Thermophilic sub aerial fungi
B. Marine archaebaderia
C. Thermophilic sulphur bacteria
D. Hot spring blue-green algae
11
245 Most appropriate word for protozoans is
A . Cellular
B. Unicellular.
c. Acellular
D. Multicellular.
11
246 Red rot of sugarcane and white rust of radish respectively are caused by
A. Albugo candida and Cercospora
B. Colletotrichum and Fusarium
c. Pythium and Phytophthora
D. Albugo candida and Puccinia graminis
E. Colletotrichum and Albugo candida
11
247 Bursting of contractile vacuole to throw
its contents is
A. Ephagy
B. systole
c. Diapause
D. Dehydration
11
248 lime-knots of slime moulds are
A. Swarm cells
B. Spore
c. capillitia
D. Fruit bodies
11
249 Select the wrong statement.
A. Diatoms are chief producers in the oceans.
B. Diatoms are microscopic and float passively in water.
C. The walls of diatoms are easily destructible.
D. ‘Diatomaceous earth’ is formed by the cell walls of diatoms.
11
250 A filament of Nostoc without its
mucilage sheath is called
A. Mycelium
B. Trichome
c. Hypha
D. colony
11
251 In five kingdom classification, Euglena is placed in
A. Monera
B. Protista
c. Fungi
D. Animalia
11
252 Coenocytic mycelium is found in
A. Rhizopus
B. Mucor
c. Penicillium
D. Both A and B
11
253 Nitrogen waste product of Amoeba is
A. Ammonia
B. Urea
c. Uric acid
D. None of the above
11
254 Who proposed the term Protista? 11
255 Which of the following are represented by ( P, Q, R ) and ( S ) in the given figure?
begin{tabular}{|c|c|c|c|}
hline ( mathbf{P} ) & ( mathbf{Q} ) & ( mathbf{R} ) & ( mathbf{S} ) \
hline & & & \
& & & \
& & & \
& & & \
& & & \
hline
end{tabular}
A. ( P ) – Diatoms, ( Q ) – Chlamydomonas, R – Spirogyra, ( S ) Volvox
B. P- -Volvox, Q – Chlamydomonas
R – Spirogyra, S Diatoms
c. P- -Volvox, Q – Diatoms, R – Spirogyra, SChlamydomonas
D. P- -Volvox, Q – Chlamydomonas
R – Spirogyra, S Euglena
11
256 ‘Red tides’ are produced by
A. Red algae
B. Dinoflagellates
c. Diatoms
D. Brown algae
11
257 Select the odd one out w.r.t.
basidiomycetes.
A. Sex organs are absent
B. Karyogamy and meiosis takes place in basidium
C. Fruiting body is called basidiocarp
D. Basidiospores are endogenously produced on basidium
11
258 The diatomaceous earth is used to
insulate boilers and steam pipes
because
A. The wall of diatoms is deposited with calcium.
B. The diatomaceous earth is cheap.
c. It is a good conductor of heat.
D. The wall of diatoms is made of silica
11
259 Dinoflagellates glow during dark,
because
A. Their body contains large amount of phosphorus
B. Their body is covered by luminiscent layer
C. They absorb light and emit some part of it
D. of chemical reaction between luciferin-luciferase
11
260 Yeast and mushroom are different from
spirogyra because they
A. Cannot carry out photosynthesis
B. Lack cellulosic cell wall
c. Reproduce by sexual methods
D. Are terrestrial as well as aquatic
11
261 The three domain system with six kingdom is the latest classification based on
A. Mitochondrial genes
B. Nuclear genes
C. 16 S rRNA gene
D. chloroplast genes
11
262 What is organisation? 11
263 The primary ventral cell give rises to
A. Jacket
B. Tapetum
c. oosphere
D. Oospore
11
264 Asexual reproduction are
A. Fission
B. Budding
C. Vegetative propagation
D. All of the above
11
265 Which of the following groups contain typically coenocytic forms?
A. Lichens
B. Phycomycetes
c. Liverworks
D. Chlorophyceae
11
266 Which statement is correct?
A. All bacteria are autotrophic
B. All bacteria are heterotrophic
C. All bacteria are photosynthetic
D. Mostly bacteria are heterotrophic but some are autotrophic
11
267 Give the main characters of
Dinoflagellates.
11
268 A taxonomic species distinguished on the basis of morphological characters
is
A. Morphospecies
B. Biospecies
c. Linneon
D. Neontological species
11
269 What is true for Archaebacteria?
A. All are halophiles
B. All are photosynthetic
C. All are fossils
D. Oldest living organisms
11
270 Amoeba is
A. Ammonotelic
B. Ureotelic
c. Uricotelic
D. None of the above
11
271 Diatom frustule is made of
A. Silica
B. Calcium carbonate
C . Calcium hydroxide
D. Both B and C.
11
272 Besides the flagellary movement, euglenoids can also perform special movement by membrane undulations, called as “euglenoid movement”. Euglenoids are included in
A. Monera
B. Metazoa
c. Metaphyta
D. Protistata
11
273 The classification of Linnaeus was
mainly based on
A. Sepals
B. Stem
c. Petals
D. Stamens
11
274 In Penicillium, the asexual reproduction takes place by
A. ascospores
B. aplanospores
c. sporangiospores
D. conidiospores
11
275 Choose the correct answers from the
alternatives given Which of the following is not grouped
with archaebacteria?
A. Methanogens
B. Cyanobacteria
c. Thermophiles
D. Halophiles
11
276 Write any two places where methanogens can be found. 11
277 Which of the following fungus can cause diseases in humans?
A. Penicillium
B. Ustilago
c. Puccinia
D. All of the above
11
278 The fungus that grows on bread is known
as
A. Bread mould
B. Yeast
c. Bacteria
D. All of the above
11
279 Aeciospores of Puccinia are produced on
A. Berberis leaves
B. Wheat leaves
c. Mustard leaves
D. Raphanus leaves
11
280 Match Column-I with Column-II.
ColumnColumn-II
(a)
(i) Symbiotic association of fungi Saprophyte with plant roots
(ii) Decomposition of dead organic
(b) Parasite materials
(iii) Living on living plants or
(c) Lichens animals
(d)
(iv) Symbiotic association of algae Mycorrhiza and fungi
Choose the correct answer from the
option given.
B. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
C. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
D. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
11
281 Dinoflagellates are called as fire algae due to which character?
A. They appear like fire due to pigments
B. They produce fire due to friction
c. They occur on burnt places
D. They show bioluminiscence
11
282 Find out the correct statement.
A. In lichens, the algal component is called phycobiont and fungal component is known as mycobiont, which are heterotrophic and autotrophic respectively.
B. Viroid contains RNA of low molecular weight and protein coat
C. A virus contains both RNA and DNA.
D. Viruses are obligatory parasites.
E. Viruses that infect plants have double stranded RNA.
11
283 Fungi shows mode of nutrition.
A. Saprophytic
B. Phagocytic
C. Pinocytic
D. None of these
11
284 Rickettsiae is a group of
A. Viruses
B. Microorganisms
C. Bacteria
D. PPLO
11
285 This is a flagellate protist.
Justify it to be a connecting link
between plants and animals.
A. A suggest animal nature and B and C depicts plant nature
B. B suggests animal nature and A and C depicts plant nature
C. ( mathrm{C} ) suggests animal nature and ( mathrm{A} ) and ( mathrm{B} ) depicts plant nature
D’ C suggests animal nature and B depicts plant
11
286 What type of organisms were included
in Kingdom Animalia by Whittaker
(1969) in his Five Kingdom system of classification?
11
287 Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread?
A. Temperature of about ( 25^{circ} mathrm{C} )
B. Temperature of about ( 5^{circ} mathrm{C} )
C. Relative humidity of about ( 5 % )
D. Relative humidity of about ( 95 % )
E. A shady place.
F. A brightly illuminated place. Choose the answer from the following options.
( A cdot B ) and ( D ) only
B. B, C and Fonly
C. ( A, C ) and ( E ) only
D. ( A, D ) and ( E ) only
11
288 How would you distinguish Archaea
from Eubacteria?
11
289 An organism was found to be multinucleated and possessed a naked cytoplasm. It exhibited saprophytic
mode of nutrition. To which of the
following kingdom would you classify this organism?
A. Monera
B. Protista
c. Mycota
D. Plantae
11
290 The fire algae responsible for red tides
are
11
291 How many of the given below features are associated with members of
chrysophyta?
(a) chief ‘producers’ in the oceans
(b) Shows photoautrophic nutrition
(c) Zygote develops into an auxospore
(d) From gritty soil
(e) Diatoms may be pennate type or centric type depending upon the
symmetry
A. Three
B. Five
c. Four
D. Two
11
292 Assertion
Use of chitinase enzyme, is necessary for isolation of DNA from yeast cells but
not in case of Spirogyra.
Reason
Fungal cell wall is made up of fungal cellulose or chitin.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
293 Diatoms/Diatomaceous earth belong to
class
A. xanthophyceae
B. Bacillariophyceae
c. Phaeophyceae
D. Chlorophyceae
11
294 Bacterium, Escherichia coli have flagella around the periphery of the cell. This condition is known as
A. Peritrichate
B. Monotrichat
c. Lophotrichate
D. Amphitrichate
11
295 Name the Fungi 11
296 Chlamydomonas nivalis colours the snow
A . Red
B. Yellow
c. Green
D. Purple brown
11
297 Short/long answer type questions. Most fungi resemble protists or even plants. What is the justification for placing fungi in a separate kingdom? 11
298 lime-knots of slime moulds are
A. Swarm cells
B. Spore
c. capillitia
D. Fruit bodies
11
299 Select the incorrect match.
A. Morels and truffles – Phycomycetes
B. Puffballs and toad stools – Basidiomycetes
C. Early blight of potato – Alternaria solani
D. Late blight of potato – Phytophthora infestans
11
300 The thalloid body of a slime mould (Myxomycetes) is known as
A. Fruiting body
B. Mycelium
c. Protonema
D. Plasmodium
11
301 Which one of the following is best
indicator of ( S O_{2} ) pollution?
A . Pinus
B. Fem
c. Lichen
D. Algae
11
302 ( N H_{3} ) in Amoeba is excreted by
A. Food vacuole
B. contractile vacuole
c. Plasma membrane
D. Both B and C
11
303 Most abundant bacteria are 11
304 In Whittaker’s five kingdom system of classification, eukaryotes are distributed among
A. two kingdoms
B. three kingdoms
c. four kingdoms
D. all the five kingdoms
11
305 Agaricus is :
A. Bread Mould
B. Button Mushroom
c. Paddy Straw Mushroom
D. oyster Mushroom
11
306 Name the virus and labels given in the
figure.
A. HIV (Retovira), A- Protein coats, B- Envelope, ( C ) Glycoprotein, D- RNA, E- Reverse transcriptase
B. Adenovira (Retovira), A- Protein coats, B- Envelope, CGlycoprotein, E- RNA, F- Reverse transcriptase
C. HIV (Retovira), A- Envelope, B- Glycoprotein, C- Protein coat, D- RNA, E- Reverse transcriptase
D. TMV (Retrovira), A- Protein coats, B- Envelope, CGlycoprotein, D- RNA, E- Reverse transcriptase
11
307 Phyllosphere bacteria are present around the
A. Leaf surface of desert plants
B. Leaf surface of tropical rain forest plants
c. shoot surface
D. Root of higher plants
11
308 Which one of the following is common to multicellular fungi,filamentous algae
and protonema of mosses?
A. Diplontic life cycle
B. Members of kingdom platoon
c. Mode of Nutrition
D. Multiplication by fragmentation
11
309 A common biocontrol agent for the control of plant diseases caused by fungi is
A. Agrobacteriumm
B. Glomus
c. Trichoderma
D. Baculovirus
11
310 Ceratium is a
A. Dinoflagellate
B. Diatom
c. Slime mold
D. Sporozoan
11
311 Choose the correct answers from the
alternatives given. Mycologists are specialists in the study
of:
A . plants
B. fungi
c. algae
D. protists
11
312 What are viruses? How do they differ
from other microbes?
11
313 Which of the following is the correct sequence of three steps in the sexual cycle of fungi?
A. Karyogamy, plasmogamy and meiosis
B. Meiosis, plasmogamy and karyogamy
c. Plasmogamy, karyogamy and meiosis
D. Meiosis, karyogamy and plasmogamy
11
314 Which one of the following is a slime mould?
A. Physarum
B. Thiobacillus
c. Anabaena
D. Rhizopus
11
315 Which of the following kingdoms is mismatched?
A. Protista – various modes of nutrition
B. Animalia – rarely ingestive
c. Plantae – usually photosynthetic
D. Fungi – usually saprotrophic
11
316 Amitosis is shown by
A. Bacteria
B. Hydra
c. Euglena
D. None of the above
11
317 Which of the following statements about fungi is not true?
A. A hyphal fungus has a body called as a mycelium.
B. Hyphae are composed of individual mycelia.
C. Many fungi tolerate highly hyper-osmotic environments.
D. Many fungi tolerate low temperature.
11
318 Mycobiont and phycobiont association
is
A. Symbiotic
B. Commensel
c. Parasitic
D. Helotism
11
319 Eichler divided plant kingdom in
A. Two divisions
B. Four divisions
c. Ten divisions
D. Five divisions
11
320 Reindeer moss is common name of
A. Usnea comosa
B. cladonia rangiferina
c. Funaria hygrometrica
D. sphagnum angustifolium
11
321 Which of the following contains Actinomycetes?
A. Kingdom Fungi
B. Kingdom Moneraara
c. Kingdom Plantae
D. Kingdom Protoctista
11
322 Which of the following plant and its mode of nutrition is not correctly
matched?
A. cuscuta – stem parasite
B. Mucor- Autotroph
c. orobanche – Root parasite
D. Drosera – Insectivorous
11
323 Short / Long answer type questions. Mushrooms are biodegraders and
proteins-rich food for us. Comment
11
324 Fungal bodies in which entire cell gets
transformed into reproductive structure
are know as:
A. Holocarpic
B. Eucarpic
c. Monocentric
D. Polycentric
11
325 One of the common fungal diseases of
human is
A. cholera
B. Plague
c. Typhoid
D. Ring worm
11
326 Paramecium is a protist because of its
A. Eukaryotic unicellular structure
B. Prokaryotic unicellular structure
c. Mesokaryotic unicellular structure
D. None of these
11
327 A taxon having cytoplasm, DNA, RNA but no cell wall is
A. Virus
B. Bacterium
c. Mycoplasma
D. cyanobacterium
11
328 The mode of asexual reproduction in
bacteria is
This question has multiple correct options
A. Formation of gametes
B. Endospore formation
c. conjugation
D. Zoospores formation
11
329 Highly resistant thick walled spores produced by bacterial cells during unfavourable conditions are called as
A. Endospores
B. Heterocyst
c. Gemmules
D. zoospores
11
330 Explain Eubacterium 11
331 The odd one amongst following is
A. Nitrococcus, Nitrobacter, Nitrosomonas
B. Rhizobium, Bacillus Polymyxa, Pseudomonas
c. clostridium, Rhizobium, Nostoc
D. Anabaena, Nostoc, Azotobacter, Clostridium
11
332 Mixotrophic nutrition is exhibited by the kingdom
A. Monera
B. Protista
c. Animalia
D. None of the above
11
333 Zygospore is formed from :
A. Gamentangial copulation
B. Gametic union
c. zygote
D. Oogamy
11
334 bacteria are microbes that
work in the absence of oxygen.
11
335 The zygospores of Rhizopus contain a high amount of fat globules. It is thick walled and the colour is
A . Green
B. White
c. Grey
D. Black
11
336 Majority of lichens are made of 11
337 Phycobiont and mycobiont together
constitute :
A. Phycomycetes
B. Lichens
c. Phycobilins
D. Mycorrhiza
11
338 Primary producers of deep sea hydrothermal vent ecosystem are
A . Coral reels
B. Green algae
c. chemosynthetic bacteria
D. Blue-green algae
11
339 A connecting link between plant and animal kingdom is
A. Paramecium
B. Chlamydomonas
c. chlorella
D. Euglena
11
340 Name the kingdom to which these organisms belong:
A multicellular heterotrophic organism with a nucleus and capacity for locomotion.
A multicellular, heterotrophic, non-
motile organism with a nucleus. A unicellular organism with a nucleus
A multicellular, autotrophic, a nonmotile organism with a nucleus.
11
341 Paramecia are members of the Kingdom
A. Fungi
B. Animalia
c. Archaea
D. Protistata
E. Plantae
11
342 Assertion
Neurospora is commonly called water-
mould.
Reason
It belongs to basidomycetes fungi.
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is
not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
343 The method of dispersal in Amoeba is
A. Locomotion
B. Sporulation
c. Encystment
D. Binary fission
11
344 Asci is formed in :
A. Ascobolus
B. Saccharomyces
c. Penicillium
D. All of the above
11
345 During binary fusion in Amoeba which of the following organelles is duplicated?
A. Plasma membrane
B. Nucleus
c. Centriole
D. All of these
11
346 An organism that decomposes remains is most likely to utilize which of the
following modes of nutrition?
A. Parasitic
B. Saprotrophic
c. Ingestion
D. chemosynthesis
11
347 Which one of the following statements
is correct?
A. Viruses are obligate parasites
B. All fungi are pathogenic
c. All algae are eukaryotic
D. Bacteria are always harmful to mankind
11
348 What is true of bacillariophyceae?
A. Epitheca is smaller
B. Hypotheca is smaller.
c. Both epitheca and hypotheca have same size
D. Any of the two can be larger.
11
349 Classification of organisms based on evolutionary as well as genetic relationship is known as
A. Biosystematics
B. Phenetics
c. Numerical taxonomy
D. Cladistics
11
350 Assertion
Puccinia can infect wheat only if Berberis vulgaris is growing near wheat.
Reason
Black rust is heteroecious.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect but Reason is correct.
11
351 Euglena contains chlorophyll, yet, it resembles animals, because it
A. Respires like animals.
B. Feeds like animals in absence of sunlight
c. Possesses a contractile vacuole
D. Reproduces like animalss
11
352 Blue green algae belongs to the kingdom Protista.
A . True
B. False
11
353 Choose the correct answers from the
alternatives given Which one of the following is not true of prokaryotes?
A. They are living cells
B. They lack a nucleus
c. They are either archaebacteria or eubacteria
D. All are parasitic
11
354 Very short answer type.
Who raised the fungi to the status of an
independent kingdom?
11
355 What is the mode of nutrition in fungi?
A. Saprophytic
B. Holozoic
c. Parasitic
D. All of the above
11
356 When a bacterium is provided with flagella arising from two opposite ends, it is called
A. Monotrichous
B. Lophotrichous
c. Amphitrichous
D. Polytrichous
11
357 Study the following lists. List-
List-II
(A) Corynebacterium glutamicum
(I) Flexibility in shape
(B) Halobacterium
(II) Mineralisation
(C) Cristispira
(III) Lysine
(D) Bacillus mycoides
(IV) Gas vacuoles
(V) Parasite on bacteria
The correct match is
( A cdot(A)-(V),(B)-(11),(C)-(111),(D)-(1 V) )
B. (A)-(III), (B)- (IV), (C)-(I), (D)- (II)
( c cdot(A)-(11),(B)-(V),(C)-(1 V),(D)-(1) )
11
358 Protists which are diploid, reproduce sexually by the process of
A. Zygotic meiosis
B. Cyst formation
c. Binary fission
D. Gametic meiosis
11
359 Assertion
More/s and Truffles are edible fungi
Reason
Ascocarps are edible
A. If both the assertion and the reason are true and the
reason
is a correct explanation of the assertion
B. If both the assertion and reason are true but the
reason is
not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
11
360 Out of 8 ascospores formed in
Neurospora, the arrangement is ( 2 a: )
( 4 A: 2 a ) showing.
A. No crossing over
B. Some meiosis
c. Second generation division
D. First generation division
11
361 Which is not correct?
A. Embryology – Aristotle
B. Taxonomy – Carlous Linnaeus
C. Paleontology – Leonardo de Vinci
D. None of the above
11
362 Which one is not correctly matched?
A. Azotobacter- Nitrogen fixation
B. Streptococcus thermophilus – Yogurt
c. chlorobium – Photosynthesis
D. Streptomyces rimosus – Chloromycetin
11
363 Which fungal disease spreads by seed and flowers?
A . Loose smut of Wheat
B. Corn stunt
c. covered smut of Barley
D. Soft rot of Potato
11
364 Spores of true slime moulds are
produced in structures called
A. Sporocytes
B. Plasmodia
c. sporangia
D. Pseudoplasmodia
11
365 Food poisoning and gas forming rodshaped bacterium is
A. Shigella
B. Salmonella
c. clostridium
D. Escherichia coli
11
366 36. The excretory aperture in Par-
amoecium is known as
(1) Cytopharynx
(2) Cytostome
(3) Cytopyge (4) Cryptospere
11
367 According to Susruta Samhita, Virudha consisted of
A. Flowering plants.
B. Shrubs
c. osadhi
D. Jangama.
11
368 In which kingdom are viruses placed? 11
369 Orange rots is due to member of –
A. Phycomycetes
B. Ascomycetes
C . Basidiomycetes
D. Deuteromycetes
11
370 Fungi producing 8 spores in a sac belong to the class
A. Phycomycetes
B. Ascomycetes
c. Basidiomycetes
D. Deuteromycetes
11
371 Which of the following statement is true
for fungi?
A. Ectoparasites are non-pathogenic.
B. They are chlorophyllous.
C. Never form spores.
D. Reproduce sexually as well as asexually.
11
372 Thalloid body of a slime mould (myxomycetes) is known as
A. Mycelium
B. Protonema
c. Plasmodium
D. Fruiting body
11
373 Parasexuality was first discovered in
A. Bacteria
B. Virus
c. Fungi
D. None of the above
11
374 Make an outline of the classification.
What are the advantages and disadvantage of this classification?
11
375 The denitrifying bacteria are
A. Micrococcus denitrificans
B. Pseudomonas
c. Thiobacillus
D. All of the above
11
376 What is the reason for the success of
monerans?
A. Eukaryotic nature and rigid cell wall
B. Absence of nucleus and other membrane bound organelles
C. Absence of vacuole and microscopic in nature
D. Rapid rate of cell division and metabolic diversity
11
377 The scientific name of red bread mould
is
A. Neurospora
B. Mucor
c. Rhizopus
D. Aspergillus
11
378 In the hierarchy of classification, which group will have the smallest number of
organisms with a maximum number of
characteristics and which group will have the largest number of organism?
11
379 The viruses contain
A. Proteins only
B. DNA only
C. Nucleic acids only
D. Proteins, DNA or RNA (nucleic acids)
11
380 Match the column-I and column-I
( begin{array}{llll} & text { Column-I } & & text { Column-II } \ text { (i) } & text { Chrysophyta } & text { (a) } & text { Fungi } \ text { (ii) } & text { Gonyaulax } & text { (b) } & text { Diatom } \ text { (iii) } & text { Penicillium } & text { (c) } & text { Plasmodium } \ text { (iv) } & text { Slime mould } & text { (d) } & text { Dinoflagellate }end{array} )
( A )
(i) – a, (ii) – b, (iii) – c, (iv) – d
B. (i) ( -b, ) (ii) ( -c, ) (iii) ( -a, ) (iv) ( -d )
( c cdot(i)-b,(text { ii) }-c,(text { iii) }-d,(text { iv })-a )
D. (i) – b, (ii) – d, (iii) – a, (iv) –
11
381 In the five-kingdom classification, Chlamydomonas and Chlorella have been included in which of the following group?
A. Plantae
B. Algae
c. Protista
D. Monera
11
382 Bacteria that can grow in the absence of
oxygen are called as
A. Anaerobes
B. Molds
c. Aerobes
D. Yeasts
11
383 Pin mould reproduces by means of
A . Gametes
B. Spores
c. Seeds
D. Bulbils
11
384 Assertion
Slime moulds show alternation of
generation.
Reason
The sporangia bearing slime moulds
represent haplophase.
A. Both the assertion and the reason are true and the
reason is a correct explanation of the assertion
B. Both the assertion and reason are true but the reason
is not a correct explanation of the assertion
C. The assertion is true but the reason is false
D. Both the assertion and reason are false
11
385 What are haustoria? 11
386 Rhizopus reproduces asexually through
A. Sporangiospores
B. Aplanospores
c. chlamydospores
D. All of the above
11
387 Mature virus particle is
A. Virion
B. Virucide
c. capsid
D. Peptomere
11
388 State whether the following statements
are true or false.
Members of Zygomycotina and
Oomycotina are called the algal fungi because they have many common features with algae especially in the thallus structure and reproduction.
A. True
B. False
11
389 Read the given statements that describe certain infectious particle.
(i) It was discovered by T.O. Diener and
was found to be smaller than viruses.
(ii) It causes potato spindle tuber
disease.
(iii) It is a free RNA particle which lacks the protein coat.
(iv) It has low molecular weight RNA as genetic material.
Which of the following is referred to here?
A. Virus
B. Viroid
c. virion
D. Bacteriophage
11
390 Amoeba consists of
A. Many cells
B. One cell
C. Two cells
D. Four cells
11
391 Mixotrophic (dual mode) nutrition is a characteristic of
A. Paramoecium
B. Amoeba
c. Plasmodium
D. Euglena
11
392 Bacteria are thought to be primitive
organisms because they
A. Are small, microscopic plants, which cannot be seen by naked eye
B. Cause serious diseases in human beings, domesticated animals and crop plants
C. Produce endospores which are very resistant to adverse conditions
D. Possess incipient nucleus and show division similar to amitosis
11
393 Typological concept of species was given by
A. Mendel
B. Aristole and Plato
c. John Ray
D. Hutchinson
11
394 Choose the correct answers from the
alternatives given
Which one of the following is not true of organisms included in the kingdom
Monera?
A. They reproduce by mitosis
B. They originated at least 3.5 billion years ago
c. They have prokaryotic cellular organisation
D. Most have cell walls
11
395 Match the columns and find the correct
answer
( begin{array}{lllll} & text { Column I } & & text { Column II } \ text { (a) } & text { Streptomyces } & text { (p) } & begin{array}{l}text { Food } \ text { poisoning }end{array} \ text { (b) } & text { Rhizobium } & text { (q) } & begin{array}{l}text { Source of } \ text { antibiotic }end{array} \ text { (c) } & text { Nitrosomonas } & text { (r) } & begin{array}{l}text { Nitrogen } \ text { fixation }end{array} \ text { (d) } & text { Acetobacter } & text { (s) } & text { Nitrification } \ & text { (t) } & begin{array}{l}text { Vinegar } \ text { synthesis }end{array}end{array} )
( mathbf{A} )
( a-s, b-t, c-p, d-r )
B. a-t, b-p, c-r, d-s
( c cdot a-q, b-r, c-p, d-t )
D. ( a-q, b-r, c-s, d-t )
11
396 Virion is a/an
A. Virus without protein coat
B. Enucleated virus
c. Prion
D. virus
11
397 Would you consider the bacteria and
yeast as plants? Give reason.
11
398 Short / Long answer type questions. What are (a) methanogens, (b) halophiles, and
(c) themoacidophiles?
11
399 Which of the following is called as natural water purifier?
A. Bacteria
B. Algae
c. Protozoa
D. Virus
11
400 Anabaena is an example for
A. Protista
B. Fungi
C . Bryophyte
D. Monera
11
401 Select incorrect pair from the following.
A. Porifera – Choanocytes
B. Coelenterata – Nematocysts
c. Annelida – Segmentation
D. Monera – Eukaryote
11
402 Select the correct pair in which one photosynthesizes, whereas the other does not.
A. Cyanobacteria and algae
B. Algae and fungi
c. Mosses and ferns
D. Ferns and gymnosperms
E. Gymnosperms and angiosperms
11
403 Which is not a method of genetic recombination in bacteria?
A. Transformation
B. Transduction
c. Translation
D. conjugation
11
404 The given statements describe a group
of organisms.
(i) Instead of a cell wall they have a
protein rich pellicle making their body flexible.
(ii) They have 2 flagella, a short and a
long one.
(iii) They show mixotrophic nutrition.
(iv) They are connecting link between
plants and animals. Which of the following groups is
referred to here?
A. Dinoflagellates
B. Slime moulds
c. Desmids and diatoms
D. Euglenoids
11
405 Which one of the following features is shared by algae and fungi?
A. Autotrophism
B. Parenchymatous thallus
c. Embryo absent in life cycle
D. Reserve food matter in starch
11
406 Which of the following act for protection of body (defensive) in some Protozoa?
A. Nematocysts
B. Statocysts
c. Lasso cells
D. Trichocyst
11
407 Archaebacteria common in marshes
and rice fields are
A. Methanogens
B. Halophiles
c. Thermoacidophiles
D. All of the above
11
408 Mushrooms reproduce through
A. spores
B. Mycelial fragmentation
c. Buds on the leaf margin
D. Both A and B
11
409 The process of reproduction which involves only a single parent to form an individual is called as
A. Sexual reproduction
B. Asexual reproduction
c. Isogamy
D. None of the above
11
410 Basidiospores are characteristic of
A. Bread mould
B. Mushrooms
c. Aspergillus
D. Yeast
11
411 Which one of the following is a laboratory weed?
A. Penicillium
B. Aspergillus
c. Neurospora
D. Saccharomyces
11
412 Which of the following bacteria is utilized in gobar gas plant?
A. Methanogens
B. Nitrifying bacteria
c. Ammonifying bacteria
D. Denitrifying bacteria
11
413 Extra nuclear DNA in E. coli is termed as
( mathbf{A} cdot F^{-} ) factor
B. Sex factor
c. Episome
D. All of above
11
414 Assertion
Archaebacteria are more similar to
eukaryotes rather than eubacteria.
Reason

Archaean genome is more similar to eukaryotic genome rather than
bacterial genome.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect

11
415 For production of methane, methanogens
A. Oxidise carbon dioxide
B. Reduce carbon dioxide
c. Reduce alcohol
D. oxidise alcohol
11
416 Which one is used as a biofertilizer?
A. Nostoc
B. Funaria
c. volvox
D. Rhizopus
11
417 Lichens are important in the studies on atmospheric pollution because they
A. Can also grow in greatly polluted atmosphere
B. Can readily multiply in polluted atmosphere
C. Are very sensitive to pollutants such as ( S O_{2} )
D. Efficiently purify the atmosphere
11
418 In eubacteria, a cellular component that resembles eukaryotic cell is
A. Cell wall
B. Plasma membrane
c. Nucleus
D. Ribosomes
11
419 A successful study of morphology of viruses can be done by
A. Binocular microscope
B. Plane polarised microscope
c. Electron microscope
D. simple microscope
11
420 Which of the following is present both in animals as well as fungi?
I. Autotrophic mode of nutrition
Il. Extracellular digestion
III. Lack of cell walls
IV. Membrane-bound organelles
A. I and III
B. I and IV
c. II and III
D. II and IV
E. IV only
11
421 Briefly describe the modes of
reproduction in bacteria
11
422 Fungi lacking cross walls in the mycelium belong to
A. Ascomycetes
B. Phycomycetes
c. Deuteroomycetes
D. Basidioomycetes
11
423 Which of the following combination of characters is true for slime moulds?
A. Parasitic, plasmodium with true walls, spores dispersed by air currents.
B. Saprophytic, plasmodium without walls, spores dispersed by water.
c. Parasitic, plasmodium without walls, spores dispersed by water.
D. Saprophytic, plasmodium without walls, spores dispersed by air currents.
11
424 Which amino acid is present only in bacteria and cyanobacteria?
A. Glycine
B. Tyrosine
c. Glutamic acid
D. Diaminopimellic acid
11
425 Scala Naturae was written by
A. Hippocrates
B. Thales
C. Aristotle
D. Theophrastus
11
426 Nucleic acid in chromosomes of
bacteria are
A. Of two types DNA and RNA
B. Linear DNA
c. circular DNA
D. Linear RNA
11
427 Which of the following algae secrete “saxitoxin”?
A. Gonyaulax
B. Oscillatoria
c. Noctiluca
D. Pyrocystis
11
428 Whirling whips are protists which
possess two flagella that beat
A. Slightly towards one side so as to cause rotation of the organism while moving forward
B. Forward, backward and sideways depending upon the requirement
c. At right angles to each other due to being present in different grooves
D. Along with numerous cilia.
11
429 The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of
A. Rhizopus, a mould
B. Ascaris, a round worm
c. Taenia, a tapeworm
D. Wuchereria, a filarial worm
11
430 Assertion
The morphology of mycoplasma is not
specific
Reason
They lack a rigid cell wall
A. Both Assertion and Reason are correct and Reason is
the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
11
431 Monerans bearing conidia for reproduction belong to
A. Eubacteria
B. Archaebacteria
c. Actinomycetes
D. Mycoplasma
11
432 Which of the protozoan is considered as a connecting link between plants and animals?
A. Entamoeba
B. Paramoecium
c. Euglena
D. Monocystis
11
433 According to the five kingdom classification, bacteria belong to
A. Protista.
B. Monera.
c. Plantae.
D. Archaea.
11
434 Bacterial pili are involved in
A. Asexual reproduction
B. Sexual reproduction
c. Saprophytic nutrition
D. Antibiotic resistance
11
435 Which of the following Mycoplasma strains are harmful to the humans?
A. M.genitaliumm
B. M. Hominis
c. Mycoplasma pneumonia
D. All of the above
11
436 What is the basis for classification? 11
437 Short / Long answer type questions. Describe the structure of a lichen, and
name the three different types.What is the nature of this fungal association?
11
438 Fungi show sexual reproduction by all of the following processes except
A. oospores
B. Ascospores
c. Basidiospores
D. Aplanospores
11
439 ‘Entomophagous fungi’ is
A. Colletotrichum
B. Cercospora
c. Dactylella
D. Rhizopus
11
440 Circular single stranded DNA occurs in bacteriophage
( mathbf{A} cdot T_{2}, T_{4} )
в. ( phi times 174, ) М 13
c. ( T_{3}, phi 6 )
D. ( delta, T_{5} )
11
441 In dinophyceae, trichocysts occur in
A. Peridinium
B. Nematodinium
c. caratium
D. Gonyaulax.
11
442 George Bentham and J.D. Hooker divided
dicots into
A. 3 divisions
B. 3 sub-divisions
c. 2 sub-kingdoms
D. 3 sub classes
11
443 Which among the following is not a prokaryote?
A. Nostoc
B. Saccharomyces
c. oscillatoria
D. Mycobacterium
11
444 Which of the following system of classification is based on gross
morphology of plants?
A. Natural system
B. Artificial system
C. Practical system
D. All system
11
445 Asexual reproduction in fungi takes
place by
A. Endospore
B. Gametangia
c. conidiospore
D. None of the above
11
446 Name 2 Fungi causing food poisoning? 11
447 Which one does not belong to Monera?
A. Archaebacteria
B. Slime mould
c. Eubacteria
D. Mycoplasma
11
448 Myxomycetes are
A. Saprobes or parasites, having mycelium, asexual reproduction by fragmentation.
B. Slimy mass of multinucleate protoplasm, having pseudopodia like structures for engulfing food, reproduction through fragmentation or zoospores
C. Prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission
D. Eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by division of haploid individuals, sexual reproduction by fusion of two cells or their nuclei.
11
449 An organism without true nucleus is
A. Bacterium
B. Archaebacterium
c. Cyanobacterium
D. All the above
11
450 Smallest bacterium among these is
A. Dialister
B. Nitrosomonas
c. Bacillus
D. spirillium.
11
451 On the basis of organization, animals are grouped into
A. Metazoa and Eumetazoa
B. Protozoa and Metazoa
c. Protozoa and Parazoa
D. Parazoa and Metazoa
11
452 Select the correct option with respect to the fungi forms the fruiting body in which reduction division occurs.
A. Agaricus, Aspergillus and Alternaria
B. Peziza, Saprolegnia and Trichoderma
c. Penicillium, Agaricus and Claviceps
D. Claviceps, Mucor and Rhizopus
11
453 In several fungi and plants the bisexual condition is denoted by
A. Homothallic and monoecious
B. Heterothallic and Monoecious
c. Homothallic and dioecious
D. Heterothallic and dioecious
11
454 Which one is a protozoan disease
A. AlDS
B. Taeniasis
c. Polio
D. Malaria
11
455 Diatoms perform which type of movement in water?
A. Swimming
B. Amoeboid
c. Floating
D. Ciliary
11
456 Life cycle of Saccharomyces ludwigiii is
A. Haplobiontic
B. Haplodiplobionitc
C . Diplobiontic
D. All of the above
11
457 If phytoplanktons are destroyed in the sea, then
A. No effect will be seen
B. Primary consumers will grow luxuriantly.
c. It will affect the food chain.
D. Algae will get more space to grow
11
458 Which of the following unicellular organism has a macronucleus for trophic function and one or more micronuclei for reproduction?
A. Euglena
B. Amoeba
c. Paramecium
D. Trypanosoma
11
459 Linnaeus proposed an outline of plant classification in
A. Genera Plantarum
B. Species Plantarurn
c. systema Naturae
D. Philosophia Botanica
11
460 Most antibiotics have no effect on
viruses because
A. They kill all bacteria, which act as host of the virus.
B. Viruses are too small in size for the antibiotics to act
on them
C. Viruses show no metabolism of their own.
D. Viruses produce thick covering and encyst themselves as endospores.
11
461 Clamp connections are found in
A. Ascomycetes
B. Zygomycetes
c. saccharomycetes
D. Basidiomycetes.
11
462 Virus with nucleic acid but without
protein coat is
A. Virion
B. Viroid
c. capsid
D. Prion
11
463 Bacteria are examples of
A. Protistan cells
B. Eukaryotic cells
c. Animal cells
D. Prokaryotic cells
11
464 Which of the following reproduces only
inside a host cell?
A. Bacteria
B. Virus
c. Protist
D. Fungus
11
465 In fungi, the reserved food is in the form
of ?
11
466 Assertion
Ascomycetes fungi produce asexual spore which are called ascospore.
Reason
Ascospores are produced endogenously in sac like asci.
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Assertion is incorrect and Reason are correct
11
467 Lichen is a pioneer vegetation of
A. Hydrosere
B. Psammosere
c. Lithosere
D. Halosere
11
468 A bacterial cell divides in every one
minute. If it takes one hour to fill the
whole cup, then to fill half cup, it will require
A. 30 minutes
B. 59 minutes
c. Three hours
D. 2 hours
11
469 Select the wrong statement
A. The walls of diatoms are easily destructible
B. ‘Diatomaceous earth’ is formed by the cell walls of diatoms
C. Diatoms are chief producers in the oceans
D. Diatoms are microscopic and float passively in water
11
470 What are the different shapes found in
bacteria? Give examples.
11
471 Explain with examples types of asexual reproduction in unicellular organism. 11
472 Many fungi contain in their cell walls a substance which is not present in
higher plants. Name it.
A. Chitin
B. Glycogen
c. Latex
D. Ribose sugars
11
473 Hormogonia are the vegetatively reproducing structure of
A. Ulothrix
B. Spirogyra
c. oscillatoria
D. chlamydomonas
11
474 The class of phylum Protozoa to which Noctiluca belongs is
A. Rhizopoda
B. Sporozoa
c. Mastigophora
D. Ciliate
11
475 Which of the following is oncogenic
virus
A. Human immunodeficiency virus type 2
B. Vesicular stomatitis indiana virus
c. Human herpes virus
D. Epstein-Barr Virus
11
476 The mineralization of nutrients for
plants can be done by
A. Virus
B. Protozoa
c. Phytoplankton
D. None of the above
11
477 Spore producing body of a cellular slime mold is
A. Pseudoplasmodium
B. Plasmodium
c. sporangium
D. Sporophore
11
478 In which of the following, the body is an aggregation of amoeboid cells?
A. Acellular slime moulds
B. Cellular slime moulds
c. Diatoms
D. Dinoflagellate
11
479 Uredospores is formed by Puccinia on
A. Wheat
B. Barberry
c. Both A and B
D. Dalbergia and wheat
11
480 Considering mode of asexual reproduction, match the Column I with I and select the correct option.
( begin{array}{ll}text { Column I } & text { Column II } \ text { a. Yeast } & text { i. Fragmentation } \ text { b. Penicillium } & text { ii. Zoospores } \ text { c. Filamentous algae } & text { iii. Budding } \ text { d. Chlamydomonas } & text { iv.Conidia }end{array} )
( A )
( a-i i i, b-i v, c-i, d-i i )
в. ( a-i i, b-i i i, c-i, d-i v )
c. ( a-i v, b-i i i, c-i i, d-i )
D. ( a-i i i, b-i i, c-i, d-i v )
11
481 Cell wall of both bacteria and
cyanobacteria contains
A. Lipid
B. Pectin
c. Protein
D. Muramic acid
11
482 T M V has a size of
( mathbf{A} cdot 50 n m times 10 n m )
В. ( 100 n m times 20 n m )
c. ( 300 times 18 n m )
D. ( 500 n m times 24 n m )
11
483 Shape of Staphylococcus bacteria is
A. Circular
B. oval
c. Elongated
D. cubical
11
484 Match the following lists 11
485 Bacteria are no more classified as
plants primarily because
A. These are unicellular and prokaryotic
B. These are microscopic
C. Many of them are parasitic
D. They do not have chlorophyll
11
486 Lichens have an actual relationship of
A. Parasitism
B. Mutualism
C. Helotism
D. Epiphytism
11
487 Iron bacterium is
A. Beggiotoa
B. Geobacillus
c. Thiobacillus
D. None of the above
11
488 In Escherichia coli there is no alternation
of generations, because
A. Chromosomes do not fuse
B. It does not have chromosomes
C. There is neither syngamy not reduction division
D. Its cells do not exchange genetic material with each other
11
489 Pullorum disease of poultry is caused
by
A. Hemophilus
B. clostridium
c. Salmonella
D. Mycobacterium
11
490 Consider the following statements with reference to criterion/criteria used in
the classification of plants in the engler and Prantl’s system.
a. The families were arranged according to the increasing complexity of flower
and fruit.
b. In flowering plants absence of perianth was considered as a primitive character
c. Monocots were considered to be more
primitive than dicots
d. Unisexual flowers were derived from
bisexual flowers.
Which of the statements given are
correct?
A. 1 and 2
B. 1 and 4
C .1,2 and 3
D. 2,3 and 4
11
491 If organisms on the earth start dying, which group of organisms will be the last to die?
A. Monera and Plantae
B. Mycota and Monera
c. Plantae and Protista
D. Animalia and Mycota
11
492 Discuss the various forms of bacteria. 11
493 Alternation of generations is not found in bacterium E. coli due to the lack of
A. Syngamy
B. Reduction division
c. Nucleus
D. Chromosomes
11
494 All viruses contain
A. Protein coat
B. Cell membrane
C. Membrane-bound organelles
D. Endoplasmic Reticulum
E. Mitochondrial DNA
11
495 How can you appreciate the effort of scientists in classifying a wide range of
organisms?
11
496 Name the two important groups into
which Kingdom Monera has been divided
11
497 Fungus used in genetic experiment is
A. Rhizopus
B. Mucor
c. Neurospora
D. Claviceps
11
498 Which pair belongs to basidiomycetes:
A. Puffball and Claviceps
B. Peziza and Stink Horn
C. Morchella and Mushroom
D. Bird Nest Fungus and Puffball
11
499 Write two precautions you take, while observing Rhizopus in the laboratory. 11

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