Reproduction In Organisms Questions

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Reproduction In Organisms Questions

List of reproduction in organisms Questions

Question NoQuestionsClass
1Which of the following is a unisexual animal?
A. Tiger
B. Earthworm
c. Leech
D. Snail
12
2The number of chromosomes in parents
and offsprings of a particular species remains constant due to
A. Doubling of chromosomes after zygote formation
B. Halving of chromosomes during gamete formation
c. Doubling of chromosomes after gamete formation
D. Halving of chromosomes after gamete formation
12
3Describe the method of sexual
reproduction in human beings
12
4Differentiate between.
Planogametic copulation and gametangial copulation
12
5Name the two modes by which animals reproduce.12
6The slipper shaped organism that reproduces by binary fission is
A. Amoeba
B. Paramoecium
c. Plasmodium
D. Salmonella
12
7Which of the following statements can be related to sexual reproduction?
A. Gametes are usually haploid.
B. Gametes are usually diploid.
c. The zygote is usually haploid.
D. The chromosome number is reduced during mitosis
12
8Describe reproduction by spores in Rhizopus.12
9The offspring grow out of the parent’s body in
A. Hydra
B. Amoeba
c. Paramecium
D. Human
12
10Other than spirogyra, fragmentation also occurs in
A. Amoeba
B. Hydra
c. Planaria
D. None of the above
12
11Asexual reproduction produces
offspring that are
A. Genetically identical to their parents
B. Genetically identical to their siblings
C. Both A and B
D. None of the above
12
12Sexual reproduction involves formation of the male and female gametes by?
A. Same individuals
B. Different individuals of the opposite sex
c. Different individual of the same sex
D. Either A or B
12
13Explain how offspring of parents in sexual reproduction have the same
number of chromosomes.
12
14Asexual reproduction produces offspring.
A. Genetically identical
B. Larger
c. Variable
D. None of the above
12
15Part of the gynoecium which receives the pollen is called as
A. Ovary
B. Ovule
c. style
D. stigma
12
16Most of the unicellular organisms show
A. Sexual reproduction
B. Asexual reproduction
c. Vegetative reproduction
D. None of the above
12
17Explain budding in hydra with the help of labelled diagrams.12
18Write the difference between unisexual
and bisexual animal. Give one example
of each.
12
19In vorticella, the total number of micronuclei formed at the end of prezygotic nuclear division in female
gamete is
A .4
B. 6
( c cdot 8 )
D.
12
20Choose the correct statements from the
options below with regard to sexual
reproduction
(i) Sexual reproduction does not always require two individuals.
(ii) Sexual reproduction generally involves gametic fusion.
(iii) Meiosis never occurs during sexual reproduction.
(iv) External fertilization is a rule
during sexual reproduction.
( A cdot ) (i) and (iv)
B. (i) and (ii)
c. (ii) and (iii)
D. (ii) and (iv)
12
2142. Chiropterophily means :
(1) production of flowers
(2) pollination by wind
(3) pollination by bat
(4) production of leaves
12
22Define asexual reproduction. Give name
of two methods of asexual reproduction.
12
23Yeast reproduces by the process called
as
A. Binary fission
B. Spore formation
c. Fragmentation
D. Budding
12
24The off springs produced by ……….. detach from the parent body after they mature completely.
A. Budding
B. Binary fission
c. Fragmentation
D. Spore formers
12
25The uniparental reproduction is called reproduction while biparental reproduction is termed reproduction. Higher organisms mostly show reproduction
A. Sexual, asexual, sexual
B. Asexual, sexual, asexual
c. Asexual, sexual, sexual
D. Sexual, asexual, asexual
12
26Reproduction in man
is
A. Asexual
B. Sexual
c. vegetative
D. Parthenogenetic
12
27Which of these organisms reproduce in the same way as yeast?
A. Hydra
B. Amoeba
c. starfish
D. Flatworm
12
28Reproduction is needed
A. To produce offsprings
B. To ensure the continuation of similar kinds of
individuals
C. For metabolism
D. Both A and B
12
29Gemmule formation in sponges is helpful in
A. Parthenogenesis
B. Sexual reproduction
c. only dissemination
D. Asexual reproduction
12
30Which of the following is the mode of asexual reproduction?
A. Budding
B. Spore formation
c. Binary fission
D. All of the above
12
31Offspring formed as a result of sexual reproduction exhibits more variations
because
A. Sexual reproduction is a lengthy process.
B. Genetic material comes from two parents of the same species.
c. Genetic material comes from two parents of different species
D. Genetic material comes from many parents
12
32Compare the reproduction in Hydra and
Amoeba.
12
33Fertilization is necessary even in asexual reproduction
A. True
B. False
12
34How are the modes of reproduction
different in unicellular and
multicellular organisms?
A. Unicellular organisms reproduce mainly by asexual method, multicellular organisms reproduce by sexual and asexual methods.
B. Unicellular organisms reproduce mainly by sexual method, multicellular organisms reproduce mainly by asexual methods
C. Unicellular organisms reproduce mainly by propagation, multicellular organisms reproduce mainly by asexual methods.
D. None of these
12
35Product of sexual reproduction
generally generates
A. Prolonged dormancy
B. New genetic combination leading to variation
c. Large biomass
D. Longer viability of seeds
12
36An organism which can reproduce by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in planaria is?
A. Spirogyra
B. Bryophyllum
c. Hydra
D. Sea anemone
12
37Which of the following processes
involves fertilization?
A. Asexual reproduction
B. Metamorphosis
c. Sexual reproduction
D. None of the above
12
38Asexual reproduction is seen in
A. Bacteria
B. Hydra
c. Strawberries
D. All of the above
12
39Which of the following plants reproduce without forming seeds?
A. Mango
B. Sugarcane
c. Rose
D. Both B and C
12
40What is sexual and asexual
reproduction. Explain with example.
12
41type of reproduction takes place in
Hydra.
A. Budding
B. Binary fission
c. Multiple fission
D. None of the above
12
42Define sexual reproduction.12
43What are the advantages of sexual
reproduction over asexual
reproduction?
12
44Rhizopus reproduces by the method of
A. Regeneration
B. Spore formation
c. Budding
D. Fragmentation
12
45( A )
( A-3 ) ( E-4, F-7 ) ( mathrm{B}-5, mathrm{C}-1, mathrm{D}-2 ) a ( G-6 )
B. ( A-3, B-5, C-2, D-1, E- )
7 ( F-4 ) ( G-6 )
C. ( A-3, B-5, C-2, D-1, E-4, F-7, G-6 )
D. ( A-6, B-5, C-2, D-1, E-4, F-7, G-3 )
12
46Which type of reproduction is found in Hydra?
A. Polyembryony
B. Sexual and Asexual both
c. Parthenogenesis
D. None of the above
12
47The term blastogenesis is used for
A. Formation of blastula
B. Formation of blastocoel
c. Formation of blastomeres
D. Asexual reproduction
12
48Assertion
Asexual reproduction involves formation of clones of an organism.
Reason
Clones are morphologically and genetically similar individuals.
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
12
49Differentiate between the ‘Budding of Hydra’ and ‘Binary fission of Amoeba’.12
50Identify the organisms.
A. Cnidarian – A, Yeast – B showing budding
B. Cnidarian – A, Protozaon – B showing budding
C. Cnidarian – A showing binary fission, Protozaon – B showing budding
D. Cnidarian – A showing budding, Protozaon – B showing binary fission
12
51Spore formation is the most common
asexual method of reproduction in:
A. Protozoa
B. Tubers
c. Fungi
D. Algae
12
52Meiosis is a must in asexual
reproduction.
A. True
B. False
12
53Mother gives birth to a baby but the baby has characters of both parents. How is this possible?
A. In sexual reproduction, zygote forms by fertilization of both male and female gametes
B. By parental care
c. By vegetative methodd
D. Characters come asexually
12
54Describe the major events in sexual reproduction12
55The daughter cells produced by a sexual reproduction are genetically identical to the parent cell.
A. True
B. False
12
56Which of the following reproduces by fragmentation?
A. Spirogyra
B. Chlamydomonas
c. Bryophyllum
D. All of these
12
57What is the effect of sexual
reproduction?
A. Offspring is weak.
B. offspring is like the parent.
c. offspring is more vigorous.
D. Offspring is diseased.
12
58Damaged parts and organs can be repaired by
A. Reparative regeneration
B. Restorative regeneration
c. Physiological regeneration
D. Heteromorphic regeneration
12
59In hydra the type of reproduction is
A. Binary fission
B. Budding
c. Multiple fission
D. None of these
12
60Vegetative propagation refers to formation of new plants from
A. Stem, roots and leaves
B. Leaves, flowers and seeds
c. stem, roots and seeds
D. Fruits, seeds and spores
12
61Offspring formed due to sexual reproduction have better chances of survival. Why? is this statement always
true?
12
62A basic process in reproduction is the creation of a ( ldots ldots . . . . . . . ) copy.
A. RNA
B. DNA
c. Nucleus
D. Mitochondria
12
63What is amphimixis?
A. A fusion of pronuclei of male gametes.
B. A fusion of pronuclei from male and female gametes.
C. A fusion of pronuclei of female gametes.
D. The development of a somatic cell into an embryo.
12
64Development of animal by asexual
reproduction is called as
A. Ontogenesis
B. Embryogenesis
c. Blastogenesis
D. Morphallaxis
12
65What is the basic event that takes place
during reproduction? How is it important?
12
66Describe the various types of Asexual reproduction so as explain in detai spore – formation12
67Name the method by which Hydra reproduces. Is this method sexual and asexual?12
68Which one of the following is the difference between asexual and
sexual types of reproduction?
A. Asexual-gametes are produced, Sexual-gametes are not produced.
B. Asexual-gametes are not produced, Sexual- gametes are produced.
c. Asexual- no fertilization and zygote formation, Sexual fertilization and zygote formation
D. Both B and C
12
69Which of the following patterns of reproduction involves both the parents?
A. Sexual reproduction
B. Asexual reproduction
c. Both A and B
D. None of these
12
70Haplodiploidy is found in
A. Grasshoppers and cockroaches
B. Birds and reptiles
C. Butterflies and moths
D. Honeybees, ants and wasps
12
71In which of the following organisms fragmentation occurs?
A. Ferns
B. Bread mould
c. Hydra
D. Spirogyra
12
72Bacteria, fungi and lower plants survive during adverse conditions by
A. Suspended growth
B. Migration
c. Diapause
D. Formation of thick-walled spores
12
73Asexual reproduction is the method of reproduction in organisms that have a relatively simple organisation like and
Fill in the blank in the above statement.
A. Rare, plant, bacteria
B. Common, plant, bacteria
c. common, algae, fungi
D. Rare, algae, fungi
12
74Spores are
A. Tiny cells protected by thick walls to survive unfavorable conditions
B. Buds formed in long chains
C. Outgrowths from parent organism
D. New organisms growing from tuberous roots
12
75Choose the most appropriate answer.
(a) Internal fertilization occurs
(i) in female body.
(ii) outside female body.
(iii) in male body
(iv) outside male body.
(b) A tadpole develops into an adult frog
by the process of
(i) fertilization
(ii) metamorphosis (iii) embedding (iv) budding
(c) The number of nuclei present in a
zygote is
(i) none
(ii) one
(iii) two
(iv) four
12
76is the disadvantage of asexual reproduction
A. Repid reproduction
B. Lack of genetic variation
c. Both a and ( b )
D. None of above
12
77In budding
A. Outgrowth develops earlier than nuclear division
B. Nucleus divides earlier than development of outgrowth
C. Both occur simultaneously
D. There is no fixed sequence
12
78Menstrual cycle occurs in
A. Female primates
B. Human females
C. Mammalian females
D. Rabbit
12
79Discuss the given process.
8
12
80Fill in the blank.
type of reproduction occurs
in Hydra.
A. Binary fission
B. Multiple fission
c. Budding
D. Fragmentation
12
81What is the basic difference between
binary fission and budding?
A. In budding, the parents identity is lost, while in binary fission, it is maintained.
B. In binary fission, the parents identity is lost, while it is maintained in budding
C. There is a fusion of daughter cells in binary fission while in budding, genetically non-identical daughter cells are produced.
D. In binary fission, two dissimilar individuals (daughter cells) are formed while in budding, daughter and parent cells are similar.
12
82Why does bread mould grow profusely on a moist slice of bread rather than on
a dry slice of bread?
A. Moisture is an important factor for growth of mould
B. Moisture is not an important factor for growth of mould
c. softness of bread is an important factor for growth of mould as mould can not tolerate tough surface
D. All of the above
12
83Factors responsible for the rapid spread of bread mould on slices of bread are
(i) Large number of spores.
(ii) Availability of moisture and nutrients in bread.
(iii) Presence of tubular branched
hyphae.
(iv) Formation of round shaped
sporangia.
A. (i) and (iii)
B. (ii) and iv)
c. (i) and (ii)
D. (iii) and (iv)
12
84Menstrual cycle occurs in
A. Female primates
B. Human females
C. Mammalian females
D. Rabbit
12
85Type of asexual reproduction found in
Hydra is
A. Gemmule formation
B. Sporulation
c. Binary fission
D. Budding
12
86Why can an offspring produced by asexual reproduction be called as a clone? Give reasons.12
87reproduction causes greater diversity.
A. Sexual
B. Asexual
c. Both A and B
D. None of the above
12
88Greatest genetic diversity can be brought about by the process of
A. Binary fission
B. Sexual reproduction
c. Asexual reproduction
D. Alternation of generations
E. Binary fission and conjugation
12
89A cross between two pink flowered Antirrhinum plants yielded a progency with red, pink and white flowered
individuals. Explain the pattern of inheritance and the phenomenon
involved in it. What will be phenotypic and genotypic ratios in the progency?
12
90Match the following and mark the
correct set.
Column I
( | )
I. Arum Vegetative reproduction
II. Micropropagation
B. Flytrap mechanism
III. Heterothallie
Entomophilly
IV. Coloured petal and nectar Sexual reproduction
( A cdot|-A,| I-B,|I|-C, I V-D )
B. I-B, II – A, III – D, IV – C
c. ( 1-mathrm{c}, ) ।। ( -mathrm{B}, ) ।I ( -mathrm{D}, mathrm{IV}-mathrm{A} )
D. I – A, II – C, III – D, IV – B
12
91What is artificial method of vegetative propagation? Describe :
(i) Cutting,
(ii) Budding.
12
92Yeast produces its clone naturally. This process is called as
A. Budding
B. Cloning
c. Growth
D. None of the above
12
93Distinguish between Asexual reproduction and Sexual reproduction.12
94What are the advantages of sexual over asexual reproduction?12
95Haploid parthenogenesis among insects is shown by order
A. Hymenopterara
B. Homoptera
c. coleoptera
D. All of the above
12
96Which of the following is the vegetative part of Jasmine plant?
A. Stem
B. Root
c. Flower
D. Leaf
12
97Some organisms and their type of reproductions are given below. Find the correct alternative showing the correct
pair-
(a) Paramecium
(1) Spore formation
(b) Hydra
(2) Budding
(c) Mucor
(3) Fission
(d) Spirogyra
(4) Fragmentation
A. ( a-1, b-2, c-3, d-4 )
4
B. a- 3, b- 4, c- 2, d-1
c. a- ( 2, b-3, c-4, d-1 )
D. a- 3, b- 2, c-1, d-4
12
98Offspring formed as a result of sexual reproduction exhibit more variations
because
A. Sexual reproduction is a lengthy process
B. Genetic material comes from two parents of the same species
c. Genetic material comes from two parents of different species
D. Genetic material comes from many parents
12
99Select the incorrect statement with
respect to vegetative propagation.
A. Banana is multiplied by means of rhizome
B. Bulbils are the vegetative propagules seen in Agave
C. Aquatic plants are multiplied by offsets
D. Aquatic plants are multiplied by runner
12
100In Hydra, asexual reproduction takes
place by
A. Fragmentation
B. Budding
c. Binary fission
D. Spore-formation
12
101Which of the following perform reproduction in plants?
A . Roots
B. Stem
c. Flower
D. All of the above
12
102Explain what you understand by sexual reproduction.12
103Vegetative propagation through budding occurs in
A. Rose
B. Agave
c. Yeast.
D. Ginger.
12
104Drones in a colony of honey bees originate by
A. Thelytoky
B. Arrhenotoky
c. Amphitoky
D. Deuterotoky
12
105Identify odd term related with reproduction in living organisms.
A. Zygote formation
B. Fragmentation
c. Regeneration
D. Budding
12
106Which of the following is asexual method of reproduction?
A. Division
B. Budding
c. spore formation
D. All of the above
12
107The eye of lobster is replaced by an
antenna like structure. It is an example of
A. Reparative regeneration
B. Heteromorphic regeneration
c. Physiological regeneration
D. All of the above
12
108Write one main difference between
asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival- the one reproducing asexually or the one reproducing sexually? Give the reason to justify your answer
12
109Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because
A. Sexual reproduction is a lengthy process
B. Gametes of parents have qualitatively different genetic composition
c. Genetic material comes from parents of two different species
D. Greater amount of DNA is involved in sexual reproduction
12
11037. Plants which flower only once in
their life time are known as
(1) polycarpic (2) monocarpi
(3) monogamous
(4) monogeneric
12
111The diseases caused by using mosquito repellents are
A. Blood related diseases
B. Fits
c. Bronchial diseases
D. Kidney related diseases
12
112Fern plants reproduce by
A. Seeds
B. Spores
c. Laying eggs
D. Giving birth to young fern plants
12
113What is meant by sexual reproduction? Name its two main processes.12
114Choose the correct answer from the
alternatives given. In an experiment, oat (Avena sativa) seedlings were grown under the same conditions of temperature, moisture and light. Their tips were removed and divided into four groups. Each group was given different treatments and the growth was measured carefully after keeping them in dark for 16 Firs. Which of the following groups had the most growth?
A. In Group I, the tip was put back on each seedling
B. In Group II, a block of agar gel containing juice of 10 tips was placed on top of each seedling
c. In Group III, nothing was placed on top of each seedling
D. In Group IV, a drop of water was placed on top of each seedling
12
115What is sexual and asexual
reproduction?
12
116Which of the following sets divide by budding?
A. Hydra, Sponges, Paramecium
B. Hydra, Amoeba, Plasmodium
c. Hydra, Cnidarians, Paramecium
D. Cnidarians and Sponges
12
117Why do off springs formed by asexual reproduction shares remarkable similarities?12
118Explain the significance of meiocytes in a diploid organism.12
119What are the advantages of sexual reproduction over asexual reproduction?
A. Variation in gene pool leading to generation of new species
B. Exponential growth
c. Selective adaptation
D. Both A and C
12
120Which of the following patterns of reproduction is the major cause of variation?
A. Sexual reproduction
B. Asexual reproduction
c. Both of these
D. None of these
12
121The most fundamental characteristic of
living being is
A. Locomotion
B. Regeneration
c. Fragmentation
D. Reproduction
12
122Other than yeast, which of the following organism reproduces by budding?
A. Algae
B. Fern
c. Amoeba
D. Hydra
12
123Factors controlling regeneration seem
to be
A. Neural
B. Hormonal
c. Both neural and hormonal
D. Genetic
12
124Offspring are individuals developed as a result of
A. Vegetative multiplication
B. Asexual reproduction
c. Sexual reproduction
D. All the above
12
125“Sexual reproduction is more advance than asexual reproduction” Why?12
126Why is sexual reproduction considered to be superior to asexual reproduction in terms of evolution?12
127How does the progeny termed from asexual reproduction differs from those formed by sexual reproduction?12
128Panmictic plant multiplies
A. Sexually
B. Asexually
c. Parthenogenetically
D. By stolons
12
129Name the two modes of reproduction.12
130ype vour
In column II and write down the
matching pairs (some may not match)
12
131Which of the following reproduces by fragmentation?
A. Spirogyra
B. chlamydomonas
c. Bryophyllum
D. All of the above
12
132Differentiate between
Spike and catkin
12
133Which of the following step of regeneration stops the bleeding at the site of amputation?
A. Wound closure
B. Redifferentiation
c. Dedifferentiation
D. Blastema formation
12
134Which of the given figures represents budding in hydra?
( A )
в.
( c )
D.
12
135Which one of the following statements
is not correct?
A. The presence of moisture, nutrients and a large number of spores in the air are responsible for the rapid spreading of bread mold on slices of bread.
B. In binary fission, the organism divides to form two daughters.
C. Asexual reproduction involves gametes.
D. Asexual reproduction involves only one parent.
12
136The table given below shows a list of
organisms and their methods of
reproduction
What do ( P, Q ) and ( R ) repersent?
begin{tabular}{|l|c|}
hline Organism & Method of reproduction \
hline Sponge & ( mathrm{P} ) \
Planaria & ( mathrm{Q} ) \
Hydra & ( mathrm{R} ) \
hline
end{tabular}
A. P- Fission, Q – Budding,
R – Regeneration
B. P- Sporulation, Q – Regeneration,
( mathrm{R} ) – Budding
C. P- Binary fission,
Q- Sporulation,
R – Regeneration
D. P – Gemmules, Q – Regeneration,
R – Budding
12
137Development of animal embryo from egg without fertilization is called as
A. Parthenogenesis
B. Parthenocarpy
c. Apospory
D. Apomixis
12
138Match the items in column I with
column II and choose the correct option
( begin{array}{llll} & text { Column I } & & text { Column II } \ text { A. } & text { Binary fission } & text { 1. } & text { Algae } \ text { B. } & text { Zoospore } & text { 2. } & text { Amoeba } \ text { c. } & text { Conidium } & text { 3. } & text { Hydra } \ text { D. } & text { Budding } & text { 4. } & text { Penicillium } \ text { E. } & text { Gemmules } & text { 5. } & text { Sponge }end{array} )
( A )
( A-1, B-4, C-5, D-3 )
B. A – 2, B-1,C – 4, D-3, E-5
c. ( A-1, B-4, C-3, D-2, E-5 )
D. A – 4. – 1. C – 3. D
12
139Give reason
Spore formation not a method of
reproduction in bacteria
12
140In basidiocarp of Agaricus campestris,
each gill has
A. Two zones of monokaryotic hyphae
B. Three zones of monokaryotic and diploid hyphae
C. Three zones of dikaryotic hyphae
D. Two zones of dikaryotic and diploid huphae
12
141Which of the following patterns of reproduction involves the exchange of genetic material?
A. Sexual reproduction
B. Asexual reproduction
c. Both A and B
D. None of these
12
142Explain the importance of reproduction in organisms.12
143Which of the following animals can regenerate arms and parts of the body?
(a) Star fish
(b) Brittle star
(c) Sea lily
(d) Aves
( A cdot a, b ) and ( c )
B. a and b
( c . ) b and d
D. a and c
12
144A student is viewing under a microscope a permanent slide showing various stages of asexual reproduction by budding in yeast. Draw diagrams of what he observes (in proper sequence).12
145Bud is formed in
A . Maple
B. Bread mould
c. Yeast
D. Algae
12
146The diagram given shows a special method of reproduction in an organism. Which of the following organisms also reproduces in a similar way?
A. Amoeba
B. Hydra
c. Paramecium
D. Euglena
12
147Factors responsible for the rapid spread
of bread mould on slices of bread are
This question has multiple correct options
A. Large number of spores
B. Availability of moisture and nutrients in bread.
C. Presence of tubular branched hyphae.
D. Formation of round shaped sporangia.
12
148Which of the following types of reproduction leads to the variation in
the population?
A. Sexual reproduction
B. Asexual reproduction
c. Both of these
D. None of these
12
149Why is it important for plants to scatter seeds?
A. To avoid overcrowding which results in unhealthy plants
B. To prevent the seeds from becoming parasites to the parent plants
c. To ensure that plants of a particular type will be spread to new places
D. Both A and C
12
150Which process is important for production gametes in living organism performing sexual production in context with chromosomes?
A. Inequal fission
B. Meosis
c. Mitosis
D. Multiple fission
12
151Production of new individual from
parent is called as
A. Reproduction
B. Formation
c. cloning
D. None of the above
12
152Which of the following statements is true for hydra?
A. It provides asexual gemmules
B. It produces unicellular budd
c. It produces multicellular bud
D. None of these
12
153The process in which embryo develops from unfertilized oosphere is called as
A. Parthenogenesis
B. Apospory
c. Apogamy
D. None of the above
12
154is a mode of asexual reproduction.
A. cloning
B. Budding
c. Pollination
D. Germination
12
155Chances of inheritable and evolutionary changes are more in such species
which reproduce by
A. Parthenogenesis
B. Fission
c. Sexual reproduction
D. All of the above
12
156Which one of the following generates new genetic combinations leading to mutations
A. Nucellar polyembryony
B. Vegetative reproduction
c. Parthenogenesis
D. Sexual reproduction
12
157Why asexual reproduction is
sometimes disadvantageous?
A. It allows animals that do not move around to produce offspring without finding mates
B. It allows an animal to produce many offspring quickly
C. It saves the time and energy of gamete production
D. It produces genetically uniform populations
12
158Which of the following is not correct regarding sexual reproduction?
A. It is usually biparental
B. Gametes are always formed
c. It is a slow process
D. It involves only mitosis
12
159One advantage of sexual reproduction is that it allows for genetic sameness.
A. True
B. False
12
160What is sexual reproduction in human?12
161Which of the following options shows bisexual animals only?
A. Amoeba, sponge, leech
B. Sponge, cockroach, Amoeba
c. Earthworm, sponge, leech
D. Tapeworm, earthworm, honeybee
12
162The process of budding can be seen in This question has multiple correct options
A. Flatworms
B. Amoeba
c. Yeast
D. Hydra
12
163Which of the following organisms reproduces by budding?
A. Plasmodium
B. Planaria
c. Paramecium
D. Hydra
12
164Which of the following reproduce by producing spores?
A. Jasmines
B. Roses
c. Ferns
D. Pomegranate
12
165Hydra reproduces by budding. This is an example of
A. Asexual reproduction
B. Sexual reproduction
c. Regeneration
D. Parthenocarpy
12
166Show budding in hydra diagrammatically12
167Which of the following reproduces by budding?
A. Fern
B. Yeast
c. Rhizopus
D. Rose
12
168Organisms such as ……….. can regenerate if they are broken into pieces.
A. Man
B. Lizard
c. Hydra
D. cockroach
12
169A bud in Hydra develops an outgrowth through repeated division at a
A. Secure site
B. Abstract site
c. specific site
D. Wrong site
12
170The type of asexual reproduction found in Hydra is
A. multiple fission
B. budding
c. sporulation
D. binary fission
E. gemmule formation
12
171In the sexual mode of reproduction, greater diversities are generated.
A. True
B. False
12
172The development of antenna-like structure in place of the eye in lobster is an example of
A. Compensatory hypertrophy
B. Heteromorphic regeneration
c. Morphollaxis
D. None of the above
12
173The developing embryo in Hydra drops down from the body of the parent
A. soon after the formation of zygote
B. after the formation of blastula
c. after the formation of stereo gastrula
D. only after it has developed into a young Hydra
12
174Given figure of Hydra shows its
reproductive structures and manner of
fertilisation.

Observe and answer that why is it not
showing self fertilisation?
A. Distance between testis and ovary is more
B. Sperms do not swim downwards
c. Ovary matures earlier than testis
D. Testis matures earlier than ovary

12
175Give the two-two examples of the living being performing asexual and sexual reproduction.12
176Write the differences between asexual
and sexual reproduction.
12
177Is the term clone applicable to the offspring formed by vegetative reproduction?12
178Based on cellular mechanisms there
are two major types of regeneration found in the animals. Which one of the
following is the correct example of the type mentioned?
A. Morphallaxis- Regeneration of two transversely cut equal pieces of a Hydra into two small Hydra
B. Epimorphosis- Replacement of old and dead erythrocytes by the new ones
c. Morphallaxis- Healing up of a wound in the skin
D. Epimorphosis- Regeneration of crushed and filtered out pieces of a Planaria into as many new Planarians.
12
179The general method of asexual reproduction, in yeast is
A. By spores
B. By budding
c. Binary fission
D. Multiple fission
12
180Describe types of asexual reproduction12
181Given diagram represents the
process of reproduction.
A. Fragmentation
B. Binary fission
c. Budding
D. Sexual
12
182What are the advantages of sexual
reproduction over asexual
reproduction?
12

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