Anatomy Of Flowering Plants Questions

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

Anatomy Of Flowering Plants Questions

List of anatomy of flowering plants Questions

Question NoQuestionsClass
1What do you mean by closed vascular bundle ?
A. Presence of cambium
B. Absence of cambium
c. Presence of periderm
D. None of these
11
2The tissue that brings about an increase in the height of the plant is
A . Lateral Meristem
B. Apical Meristem
c. Intercalary Meristem
D. None of the above
11
3Choose the correct answers from the
alternatives given The dark coloured dead wood present in
the central region of the old tree is
A. Spring wood
B. Heartwood
c. sapwood
D. Cambium
11
4In a dicot root vascular cambium is
A. Partially primary and partially secondary in origin
B. completely primary in origin
C. completely second in origin
D. not found
11
5Lenticel develops through the activity of
A. vascular cambium
B. Dermatogen
c. Phellogen
D. Intercalary meristem
11
6Which of these types of cells is most likely to divide?
A. Meristem
B. Parenchyma
c. xylem
D. Epidermis
11
7Annual rings are formed basically due
to
A. Marked seasonal variations
B. Different development of xylem and phloem
c. Uniform climate conditions
D. Different kinds of phloem
11
8Sclereids are present in
A. fruit walls of nuts
B. grit of guava and pear
C. seed coats of legumes
D. all of these
11
9The commercial catch is obtained from
the heart wood of
A. Acacia senegal
B. Acacia catechu
c. Acacia arabica
D. All of the above
11
10Intercalary meristem is derivative of
A. Promeristem
B. Primary meristem
c. Lateral meristem
D. Secondary meristem
11
11Conducting part of xylem is also known
as
A. Leptom
B. Bast
c. Rhytidome
D. Hadrom
11
12Cambium is lateral meristem that
takes part in
A. Internodal growth
B. Axial growth
c. Growth of branches
D. Increasing girth of stem and root
11
13Sieve tube is characterized by
A. presence of lignin
B. Absence of cytoplasm
c. presence of pectin
D. Absence of nucleus
11
14is the example of dicot plant.
A. Mango
B. Banana
c. onion
D. wheat
11
15Polyarch and exarch vascular bundles are the characteristic of
A . Dicot stem
B. Dicot root
c. Monocot stem
D. Monocot root
11
16Sieve tubes differ from sieve cells in
A. Being shorter
B. Being dead
c. Lacking nuclei
D. Having sieve pores at end walls
11
17Living cells of xylem are
A. Xylem parenchyma
B. Xylem fibres
c. Vessels
D. Tracheids
11
18As compound to other parts of root apical meristem, DNA content of quiescent centre is
A . Low
B. Highh
c. same
D. Very high
11
19Vessel are found in
A. All angiosperms and some gymnosperm
B. Most of angiosperms and few gymnosperms
C. All angiosprms, all gymnosperms and some pteridophyta
D. All pteridophyta
11
20Cells which help in rolling and unrolling of leaf lamina in grasses are
A. Complementary cells
B. Motor cells
c. Passage cells
D. Companion cells
11
21Match the followings in column I with
column II and choose the correct
combination
( begin{array}{llll} & text { Column I } & & text { Column II } \ text { A } & text { Xylem vessels } & 1 & begin{array}{l}text { Store food } \ text { materials }end{array} \ text { B } & begin{array}{l}text { Xylem } \ text { tracheids }end{array} & text { 2 } & begin{array}{l}text { Obliterated } \ text { lumen }end{array} \ text { D } & text { Xylem fibre } & text { 3 } & begin{array}{l}text { Perforated } \ text { plate }end{array} \ text { D } & begin{array}{l}text { Xylem } \ text { parenchyma }end{array} & text { 4 } & begin{array}{l}text { Chisel-like } \ text { ends }end{array}end{array} )
A ( cdot A-4, B-3, C-2, D-1 )
B. A- 3, B- 2, C-1, D-4
C. ( A-2, B-1, C-4, D-3 )
D. A-1, B-2, C-3, D-4
E. A- ( 3, ) B- 4, C- 2, D-
11
22A vessel less piece of stem possessing prominent sieve tubes would belong to
A. Pinus
B. Eucalyptus
c. Grass
D. Trochodendron
11
23Fill in the blanks with appropriate
words.
Tyloses are found in
11
24Three types of tissue systems namely epidermal, fundamental and vascular, were proposed by
A. Hanstein
B. Buvat
c. sachs
D. Nageli
11
25Histogen found at the tip of root apical meristem is
A. Plerome
B. Periblem
c. Calyptrogen
D. Dermatogen
11
26After two or three years of the secondary growth, the cortex in dicot root
A. Remains intact
B. Is completely sloughed away
c. Is largely lost.
D. Is converted into cork.
11
27Periderm includes
A. Cork cambium (phellogen), cork (phellem) and secondary cortex (phelloderm)
B. Cork cambium and cork
c. cork
D. Cork and secondary phloem
11
28For a critical study of secondary growth in plants, which one of the following pairs is suitable?
A. Sugarcan and sunflower
B. Teak and pine
c. Deodar and fern
D. Wheat and maiden hair fern
11
29Secondary cortex is also known as
A. Phellem
B. Phelloderm
c. Phellogen
D. Bark
11
30Hard, lignified, thick-walled, long and pointed cells of a plant are
A. Parenchyma
B. Sclerenchyma
c. collenchyma
D. Sclereids
11
31One of the following is wrong for
comparison between dicot and monocot
stem. In dicot stem
A. Vascular bundles are arranged in ring and in monocots they are scattered
B. Vascular bundles are oval and in monocots wedge shaped
C. True pith is present and absent in monocot stem
D. There is no protoxylem lacuna
11
32Select the correct option regarding ( mathbf{A}^{prime} ) or
‘B’ given in the flow charts
begin{tabular}{|l|l|l|l|l|}
hline ( mathrm{A} ) & ( mathrm{B} ) & multirow{2}{*} { Organs } & multirow{2}{*} { Organ Systems } & multirow{2}{*} { Organism } \
cline { 3 – 4 } & & & & \
hline
end{tabular}
A. ‘A’ is cell and ‘B’ is tissue
B. ‘A’ is unicellular organism
C . ‘A’ is tissue
D. ‘B’ is cell
11
33Sclerenchymatous cells in their cell walls have large percentage of
A. Cellulose
B. Pectin
c. Lignin
D. Silica
11
34An angiosperm differs from a
gymnosperm by possessing
A . Ovule
B. Xylem vessels
c. xylem tracheids
D. seed
11
35Bulliform cells differ from other cells in
being
A. Large, thin-walled, vacuolate containing water
B. Large, thick-walled, contain abundant chloroplasts
c. small, thick-walled, contain starch
D. Small, thin-walled, contain calcium oxalate
11
36Interfascicular cambium develops from
cells of.
A. Pericycle
B. Medullary rays
c. xylem parenchyma
D. Endodermis
11
37Short / Long answer type questions. Answer the following with reference to the anatomy of dicot stem:
(i) Where exactly are the cambial cells located in the vascular bundles?
What is the name given to such a bundle,
(iii) How are the xylem vessels
arranged ?
(iv) What type of cells constitute the pith?
11
38Which of the following statements describes monocotyledons?
A. They have fibrous roots
B. Their leaves have parallel venation
c. Their seeds have only one cotyledon
D. All of the above
11
39Which cell does not have perforated cell
wall?
A. Tracheids
B. Vessels
c. sieve tubes
D. None of the above
11
40In dicot root
A. Vascular bundles are scattered with cambium.
B. Vascular bundles are open and arranged in a ring.
C . Xylem and phloem are radial
D. Xylem is always endarch.
11
41How many types of cells are present in vascular cambium?
A. Two types, fusiform and ray initial
B. Only fusiform initial
c. only ray initial
D. Three types fusiform, ray and medullary rays
11
42The term “bark” means
A. Phellem, phelloderm and vascular cambium
B. Phellem, phellogen, phelloderm and secondary phloem
C. Periderm and secondary xylem
D. Cork cambium and cork
11
43Water conduction in stem of tree takes
place by
A. Duramen
B. Sap wood
c. Primary xylem
D. All of the above
11
44In floating leaved plants stomata occur
on
A. Lower surface
B. Upper surface
c. Both surfaces
D. Absent
11
45The transport of nutrients is brought
about by part labelled as
( A cdot 2 )
B. 3
( c cdot 4 )
0.5
( E cdot 6 )
11
46Choose the correct combination of
labeling of the lenticel
A . a-pore, b-complementary cells, c-cork, d-cork cambium, e-secondary cortex
B. a-pore, b-secondary cortex, c-cork, d-cork cambium, e complementary cells
c. a-pore, b-cork cambium, c-secondary cortex, d-cork. complementary cells
D. a-pore, b-cork, c-complementary cells, d-cork cambium, e-secondary cortex
E. a-pore, b-cork, c-cork cambium, d-secondary cortex, ecomplementary cells
11
47Choose the correct answers from the
alternatives given:
Vascular bundles are scattered in
A. Monocot root
B. Dicot root
c. Monocot stem
D. Dicot stem
11
48Secondary growth occurs due to activity
of.
A. Cork cambium
B. vascular cambium
c. Intercalary meristem
D. Both A and B
11
4928. In ferns the xylem is:
(1) Polyarch
(2) Exarch
(3) Endarch
(4) Mesarch
11
50Sclerenchyma cells have thickening of
A. Cellulose
B. Lignin
c. silica
D. Cellulose, silica
11
51Define the term “tissue””11
52Annual rings and growth rings are formed due to the fluctuations in the
activity of
A. Xylem
B. Phloem
c. xylem and phloem
D. Cambium
11
53Differentiate between
Open bundle and closed bundle
11
54Identify the correct pair of statements.
(i) Pericycle parenchymatous in dicot root but sclerenchymatous in mature
monocot root
(ii) Pericycle of both dicot and monocot root produces lateral roots during secondary growth
(iii) All cells of dicot root endodermis
are passage cells
(iv) Xylem is produced in centripetal manner in roots of fruit bearing plants.
A. (ii) and (iii)
B. (iii) and (iv)
c. (i) and (ii)
D. (i) and (iv)
11
55Describe the primary structure of monocot root.11
56With the help of suitable examples describe the various types of vascular bundles in plants.11
57In which of the following there is no differentiation heart wood and sap
wood?
A. Neem
B. Ashok
c. Mango
D. Palm
11
58The cambium which produces cork is called as
A. Phelloderm
B. Phellogen
c. Periblem
D. Plerome
11
59During secondary growth in a dicot root, cork cambium is formed by the activity of
A. cortex
B. hypodermis
c. pericycle
D. epidermis
11
60The cell functionally associated with sieve tube is
A. Phloem fibres
B. Phloem parenchyma
c. companion cell
D. collenchyma
11
61Tracheids differs from vessels in having
A. Thick wall
B. Bordered pits
c. Discontinuous intercalate wal
D. Spiral thickening
11
62The position of xylem position in secondary xylem is
A. Exarch
B. Endarch
c. Mesarch
D. None of the above
11
63The conducting cells of xylem
are
A. Tracheary elements
B. Sieve elements
c. companion cells
D. All of the above
11
64Which meristem does produce growth in length?11
65Vascular bundles are scattered in
A. Bryophytes
B. Dicot root
c. Dicot stem
D. Monocot stem
11
66In a transverse section of a dicot root
A. The protoxylem vessels are present towards the periphery and metaxylem vessels are present towards the centre.
B. The protoxylem vessels are present towards the centre and the metaxylem vessels are present towards the periphery.
C. Both protoxylem and metaxylem vessels are present towards the centre.
D. Both protoxylem and metaxylem vessels are present towards the periphery
11
67Sieve tube is component of
A. Xylem
B. Cortex
c. Phloem
D. Both of xylem and phloem
11
68Plant growth in length is due to activity of
A. Apical meristem
B. Dermatogen
c. Periblem
D. Lateral meristem
11
69Preformation’s are not found in cell wall
of the following cells.
A. Tracheid
B. Companion cells
c. sieve tube
D. vessels
11
70Annual growth rings are formed due to activity
A. Extrastellar cambium
B. Intrastellar cambium
c. Interstellar cambium
D. Both (b) and (c)
11
71Other names of cork, cork cambium and
secondary cortex are
A. Phellem, phellogen and phelloderm
B. Phellogen, phellem and phelloderm
c. Pelloderm, phellem and phellogen
D. Phelloderm, phellogen and phellem
11
72In flowering plants, water in conducted through
A. vessels
B. Tracheids
c. cork
D. Both A and B
11
73Cuticle is secreted by
A. Hypodermis
B. Endodermis
C. Epidermis
D. Both B and C
11
74Based on development stage, tissues can be
A. Apical and intercalary meristems
B. Meristematic and permanent
c. Primary and secondary meristem
D. Promeristem and primordial meristems
11
75Lateral meristem is responsible for
A. Growth in length
B. Growth in parenchyma
c. Growth in thickness
D. Growth in cortex
11
76Starch sheath is another name of
A. Hypodermis
B. Endodermis
c. Casparian strip
D. None of the above
11
77In quiescent zone, DNA content is
A . High
B. Low
c. Very high
D. Balanced
11
78Assertion
The presence of vessels is a
characteristic feature of Angiosperms.
Reason
Vessels are spindle primitive conducting elements
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
79Vascular bundles occur in a ring in
A. Monocot stem
B. Leaf
( c . ) Root
D. Dicot stem
11
80Bordered pits are formed in :
A. Sieve cells
B. Vessel wall
c. Campanion cells
D. Sieve tube wall
11
81Answer the following with reference to
the anatomy of dicot root. Which type of cells constitute the
cortex?
11
82The best method to determine the age
of tree is
A. To measure its diameter
B. To count the number of leaves
C. To count the number of annual rings in the main stem at the base
D. To measure its height
11
83Annual rings are found in
A. Monocot stems
B. Dicot stems
C. Monocot roots
D. Dicot roots
11
84Name the element which is a living cell.
A. xylem fibres
B. xylem parenchyma
c. Tracheids
D. vesselss
11
85Select the correct option:
Increase in girth of the plant as a result of the activities of primary and secondary lateral meristems is called
A. primary growth
B. Iateral growth
c. secondary growth
D. intercalary growth
11
86The meristem that gets consumed is
A. Lateral meristem
B. Intercalary and reproductive
C . Apical meristem
D. All the above
11
87Vascular bundles are closed when they
A. Have cambium
B. Lack cambium
c. Lack pericycle
D. Lack endodermis
11
88Read the following features and choose the correct option about anatomy of dicot and monocot stem
(i) Collenchymatous hypodermis.
(ii) Vascular bundles are scattered.
(iii) Eustele.
(iv) Ground tissue is not differentiated.
(v) Pericycle absent
A. Dicot stem i, ii, iii ; Monocot stem iv,
B. Dicot stem i, ii, v; Monocot stem iii, iv
c. Dicot stem iii, v; Monocot stem i, ii, iv
D. Dicot stem i, iii ; Monocot stem ii, iv, ( v )
11
89Lysigenous cavity in monocot stem vascular bundles develops by the dissolution of
A. protoxylem
B. metaxylem
c. phloem
D. ground tissue
11
90Cork cambium is also called
A. Phelloderm
B. Phellem
c. Periderm
D. Phellogen
11
91The most common ground tissue in plants is
A. Epidermis
B. cortex
c. Parenchyma
D. collenchyma
11
92Figure shows which type of vascular
bundle?
A. Radial
B. Closed vascular bundle
c. Conjoint open
D. Conjoint closed
11
93A common character of monocot and
dicot roots is
A. Exarch protoxylem
B. Endarch xylem
c. Number of xylem strands
D. Occurrence of secondary growth
11
94Name a simple living mechanical tissue.11
95At maturity, the sieve plates become impregnated with
A . Cellulose
B. Pectin
c. suberin
D. Lignin
E. callose
11
96Very short answer type:
What is a bicollateral vascular bundle?
11
97Vessels and companian cells are
characteristic feature of
A. Gymnosperm
B. Angiosperm
c. Pteridophyta
D. Bryophyta
11
98Assertion
The phloem present in the xylem elements is called protophloem.
Reason
The phloem elements develop in the middle of xylem elements are secondary in nature
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
99Tracheids differ from other tracheary elements in
A. Having Casparian strips
B. Being imperforate
c. Lacking nucleus
D. Being lignified
11
100Complementary cells of lenticels are
A. Compact and suberised
B. Loose and suberised
c. compact and lignified
D. Loose and lignified
11
101is a couple of layers thick, made of narrow, thin walled and nearly
rectangular cells. It cuts derivatives on both sides. The outer cells differentiate
into while the
inner cells differentiate into
or ( _{text {十一一一一一一一. }} ) The three together is called

Select the right sequence of words to complete the above given paragraph.
A. Phellogen, cork, phellem, secondary cortex, phelloderm, periderm
B. Phellem, phelloderm, cork, secondary cortex, phellogen, periderm
c. Phellogen, cork, periderm, secondary cortex, phellem, phelloderm
D. Phellem, secondary cortex, periderm, cork, phellogen, phelloderm

11
102The dark coloured dead wood present in the central region of old trees is
A. Spring wood
B. Heart wood
c. sap wood
D. Cambium
11
103The continuous cytoplasmic system running through the sieve tubes is called as
A. Symplast
B. Ectoplast
c. Protoplast
D. Endoplast
11
104As compared to spring wood, autumn
wood has
A. more number of xylary elements with wider vessels
B. more number of xylary elements with narrow vessels
C. fewer xylary elements with wider vessels
D. fewer xylary elements with narrow vessels
11
105The cork cambium, cork and secondary
cortex are collectively called as
A. Phellem
B. Phelloderm
c. Phellogen
D. Periderm
11
106‘P-protein’ is a constituent of
A. Sieve tube elements
B. xylem parenchyma
c. Parenchyma
D. Pericycle
11
107Which of the following is responsible for the growth in circumference or girth of stem and root in plants (in crucifers)?
A. Xylem
B. Phloem
c. cortex
D. Cambium (meristematic tissue)
11
108Physiologically functional part of wood
is?
A. Heart wood only
B. Sap wood only
c. only primary woodd
D. Both of heart wood and sap woodd
11
109Root cambium is derived from
A. Primary meristem
B. Secondary meristem
c. Intercalary meristem
D. Apical meristem
11
110The cambium is an example of
A. Lateral meristem
B. Intercalary meristem
c. Apical meristem
D. Primary meristem
11
111The cell wall is impermeable to water and deposition of suberin is also found in
A . Leaf
B. cork
c. Bark
D. xylem
11
112Hard bast (bundle cap) occurs in
A. Sunflower stem
B. Wheat stem
c. Sunflower root
D. None of the above
11
113Refer to the given figure which represents a section of vascular bundle
as seen in ( mathrm{T} ). S. of a monocot stem and
select the option that correctly labels
( A, B, C ) and ( D )
A. A-Protoxylem vessel, B-Metaxylem vessel, CProtoxylem cavity, D-Phloem
B. A-Protoxylem vessel, B-Metaxylem vessel, CMetaxylem cavity, D-Phloem
C. A-Metaxylem vessel, B-Protoxylem vessel, CProtoxylem cavity, D-Phloem
D. A-Metaxylem vessel, B-Protoxylem vessel, CProtoxylem cavity, D-Sclerenchyma
11
114Which one of the following has bast fibres?
A. Parenchyma
B. Sclerenchyma
c. Phloem
D. xylem
11
115Which one of the tissue is formed in
stems from cells cut off by the cambium on its inner side?
A. Wood fibres
B. Bast fibres
c. sieve tubes
D. Companion cells
11
116Reproductive shoot apex is
A. Conical or dome shaped
B. Broad
C. Broad and flat
D. Narrow
11
117Match the column:
List I

List II
I) Cells possess highly thickened
A) Tracheids walls with oblilateral central
human
II) Elongated tube like cells with
B) Vessels ( quad ) thick lignified walls and tapering ends
III) Individual members are
C) Xylem ( quad ) interconnected through parenchyma perorations in their common walls
D) Xylem
IV) Cells are living with thin fibers
A. A-II B-III C-IV D-I
B. A-II B-IV C-I D-III
C ( . ) A-III B-II C-IV D-I
D. A-II B-III C-I D-IV

11
118Match the following and choose the
correct option from below.
A. Cuticle
(i) Guard cells
B. Bulliform cells
(ii) single layer
C. Stomata
(iii) Waxy layer
D. Epidermis
(iv) Empty colourless cell
( A cdot A-(text { iii) }, B-(i v), C-(i), D-(i i) )
B. A-(i), B-(ii), C-(iii), D-(iv)
C. ( A-(text { ii }), B-(i i), C-(i v), D-(i) )
D. A-(iii), B-(ii), C-(i), D-(iv)
11
119How many of the following plants given below possess open (X) and closed vascular bundles (Y) respectively? Brassica, Tulipa, Capsicum, Gloriosa, Nicotiana, Aloe, Cicer, Asparagus, Petunia, Colchicum, Sesbania, Zea.
( A cdot X=6, Y=6 )
B. ( x=4, Y=8 )
c. ( x=5, Y=7 )
D. ( x=9, Y=3 )
11
12048. The only plant cells without nu-
clei among the following are:
(1) Cambium cells
(2) Root hairs
(3) Companion cells
(4) Tracheid cells
11
121Youngest layer of secondary xylem in wood of dicot stem is located just
A. Outside the cambium
B. Inside the cambium
c. outside the pith
D. Inside the cortex
11
122Secondary cortex is derived from?
A . Intercalary meristem
B. Protoderm
c. Procambium
D. Phelloderm
11
123In which structure peripheral vascular bundles are generally smaller than centrally located ones? This question has multiple correct options
A. Dicot stem
B. Monocot stem
c. Dicot root
D. Monocot root
11
124The secondary wall material suberin deposited on the walls of
A. Phellogen and Phelloderm
B. Epidermis of stem and Endodermis of root
c. Pericycle of stem and Endodermis of root
D. Phellem of stem and Endodermis of root
11
125Write one word for each of the following:
(a) A group of similar cells to perform a specific function.
(b) Cells least specialised in the plants.
(c) Cells responsible for increase in diameter of the stem and root of dicot
plants.
11
126Consider the following feature of tissues.
A. They are similar and dissimilar cells.
B. They are performing a common function.
C. They have a common origin.
D. They are characterized by the distinct
cell wall.
The correct ones are grouped in
( A cdot A, B ) and ( D )
B. B, C and D
c. ( A, B ) and ( c )
D. ( A, C ) and ( D )
11
127Raphides are found in
A. Citrus
B. Colocasia
c. Both A and B
D. None of the above
11
128Select the characters which are not
applicable to the anatomy of dicot roots:
(a) Conjunctive tissue present (b) Presence of protein compound in casparian strips
(c) Polyarch xylem bundles (d) Presence of pericycle
( A cdot(a) ) and ( (b) )
B. (b) and (d)
( c cdot(c) ) and ( (d) )
( D cdot(a) ) and ( (d) )
E. (b) and (c)
11
129Shoot apex is protected by
A. Root cap
B. Shoot cap
c. Calyptra
D. Primordial leaves
11
130The tissue is defined as a group of
A. Cells which are dissimilar in origin, but are similar in form and function
B. Cells which are similar in origin, but dissimilar in form and function
C. Cells which are dissimilar in origin, form and function
D. Cells which are similar in origin, form and function
11
131Growth rings (annual rings) are formed by activity of
A. Cambium
B. Xylem
c. Phloem
D. Both xylem and phloem
11
132Quiescent centre is found in a plant at
A. Root tip
B. Shoot tip
c. Cambium
D. Leaf tip
11
133Vascular cambium forms
A. Secondary xylem and secondary phloem
B. Primary xylem and primary phloem
C. Only secondary phloem
D. Only primary xylem
11
134Tunica corpus theory was given by
A. Schmidt
B. Hanstein
c. Nageli
D. Schuessler
11
135Which type of vascular bundles are found in monocot stem?
A. Collateral, open, endarch
B. Radial, open, diarch
c. Radial, open, mesarch
D. Collateral, closed, endarch
11
136Common between sclerenchyma and collenchyma is
A. Material transport
B. Conduction of water and minerals
C. Providing buoyancy
D. Providing support
11
137Safranin stains which element of the
tissues?
A. Starch elements
B. Lignified elements
( c . ) Bast
D. Protein elements
11
138The tip of the root apical meristem is capped by the histogen known as
A. Periblem
B. Dermatogen
c. Plerome
D. Calyptrogen
11
139Histogen theory states that epidermis is derived from the
A. Periblem
B. Cambium
c. cortex
D. Dermatogen
11
140Mesophyll is differentiated into
palisade and spongy tissue in
A. Some monocot leaves
B. All dorsiventral leaves
c. All monocot leaves
D. All isobilateral leaves
11
141Microscopic examination of tissue in order to study the manifestations of disease is
A. Cytology
B. Histopathology
C. Histology
D. Dermatology
11
142Which is the living component of xylem?
A. Tracheids
B. Xylem fibre
c. xylem parenchyma
D. Trachea
11
143Vascular tissue in higher plants develop from which of the following?
A. Procambium
B. Protoderm
c. Periblem
D. cortex
11
144Cell wall in cork is impervious to water
and gases due to presence of
A. Lignin
B. Pectin
c. suberin
D. Cellulose
11
145The number of growth rings (sum of the rings of spring wood and autumn wood) in the year 2000 is found to be ( 20 . ) What
will be the number of annual rings in
( 2018 ? )
A . 38
B. 8
( c cdot 28 )
D. 18
11
146Which of the following is responsible for transporting food (mainly sugars) made during photosynthesis throughout the plant body?
A. Xylem
B. Phloem
c. vascular cambium
D. Mesophyll
E. Pith
11
147Tyloses are
A. Tracheal plugs which plugs with the lumen of the vessels and tracheids
B. Compound sieve plates
c. specialized secretory cells
D. Laticiferous channels
11
148Select the cells that transports
potassium ions and water in the presence of sunlight and low concentrations of carbon dioxide and
make them rigid.
A. Tracheids and vessel elements
B. Guard cells
c. Parenchyma cells
D. sieve tube members and companion cells
E. Sclerenchyma cells
11
149Secondary growth occurs through
A. Formation and division of meristematic cells
B. Vascular region
C . Cortical region
D. Both B and C
11
150A cellular organization between a single cell and a complete organism is controlled by
A. organs
B. Tissues
c. Enzymes
D. Proteins
11
151Plants having little or no secondary growth are
A. Conifers
B. Grasses
c. cycads
D. Deciduous angiosperms
11
152Sclerides are the sclerenchyma cells with very thick secondary wall deposits and provide mechanical support. In which of the following plant organs one would expect to find abundant sclerides?
A. Underground tuberous roots
B. Leaves of floating hydrophyte
c. Flower petals of mesophytes
D. Petioles of xerophytic plant
11
153Active divisions occur in the cells of
A. Xylem
B. Phloem
c. Cambium
D. collenchyma
11
154The dead element present in the phloem
is
A. Companion cells
B. Phloem fibres
c. Phloem parenchyma
D. Sieve tubes
11
155Lysigenous cavity and ‘Y’-shaped xylem
occurs in
A. Dicot stem
B. Monocot root
c. Monocot stem
D. Dicot root
11
156Assertion
Radial vascular bundle is the
characteristic of majority of the roots including dicots and monocots.
Reason
Monocot stem is characterized by collatral open vascular bundle.
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
157Which of the following trees will die
first?
A. Girdled
B. Pruned
c. Hollowed trunk
D. Deciduous
11
158Sclereids found in seed coat of pules
are
A. Macrosclereids
B. Brachysclereids
c. osteosclereids
D. Asterosclereids
11
159The loosely arranged non-chlorophyllous
parenchyma cells present in lenticels are known as
A. Complementary cells
B. Passage cells
c. water stomata
D. Albuminous cells
11
160Auxin inhibits the growth
of
A. Apical buds
B. Parthenocarpic development of fruits
c. Lateral axillary buds
D. Roots of cuttings
11
161Vascular bundle having cambium is
A. Open
B. closed
c. collateral
D. conjoint
11
162Short / Long answer type questions.
Give a brief account of complex tissue present in plants.
11
163Vessels occur in
A. All angiosperms, all gymnosperms and some pteridophytes
B. All angiosperms and some gymnosperms
C. Most angiosperms, a few gymnosperms and pteridophytes
D. All pteridophytes
11
164Which tissue is responsible for secondary growth in the plants?
A. vascular cambium
B. Xylem
c. Phloem
D. cork
11
165Quiescent centre is present in
A. Shoot apex
B. Root apex
c. Both A and B
D. Meristematic tissue
11
166Histogen theory was proposed by
A. Nageli
B. Schmidt
C. Hanstein
D. wolf
11
167Explain the process of secondary growth in the stelar region of a dicot stem11
168Secondary growth in thickness with
distinct annual rings occur in plants growing in
A. Arctic regions
B. Tropical regions
c. Regions with seasonal changes
D. Any region
11
169In stem, cork cambium originates from
some
A. Outer cells of cortex
B. Fascicular and interfascicular cambium
C. Inner cells of cortex
D. Endodermis
11
170Casparian strip occurs in:
A. Pericycle
B. Endodermis
c. Epidermis
D. cortex
11
171One of them is absent in closed
vascular bundles.
A. Cambium
B. Pith
c. Ground tissue
D. All of the above
11
172Numerous vascular bundles occur
scattered in the ground tissue of
A. Monocot stem
B. Monocot root
c. Dicot stem
D. Dicot root
11
173The group of cells having similar origin,
structure and function are called
as
A. organs
B. Tissues
c. Cell membrane
D. None of these
11
174Fibres are likely to be absent in:
A. Secondary phloem
B. Secondary xylem
C. Primary phloem
D. Leaves
11
175Lenticels and its complementary cells are developed through the activity of
A. Phellogen
B. Stelar cambium
c. Dermatogen
D. Intercalary meristem
11
176Endodermis acts as biological check post and prevents wall to wall flow of materials because it has.
A. Casparian strips
B. Barrel-shaped cells
c. Passage cells
D. specialised thickenings
11
177A diagram of T.S. of dicot root is given.
Select the option which correctly labels
( A, B, C, D ) and ( E )
A. A-Protoxylem, B-Metaxylem, C-Phloem, D-Pericycle, EEndodermis
B. A-Metaxylem, B-Protoxylem, C-Phloem, D-Percyicle, EEndodermis
C. A-Protoxylem, B-Metaxylem, C-Phloem, D-Endodermis E-Pericycle
D. A-Metaxylem, B-Protoxylem, C-Phloem, DEndodermis, E-Pericycle
11
178Statement – 1: During secondary growth in dicot stem the wood formed in winter
is called late wood.
Statement – 2: In spring season cambium becomes inactive therefore it
does not produce xylary elements. Which of the following option is true for
the above given statements?
A. Only statement 1 is correct
B. Only statement 2 is correct
c. Both the statements are correct
D. Both the statements are incorrect
11
179Assertion
Xylem and, , phloem are also called as leptons and syndrome respectively
Reason

Xylem and phloem form conducting tissue of the plant
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
180The continuity of protoplasm from cell to cell is maintained through
A. Stomata
B. Tracheids
c. vessels
D. Plasmodesmata
11
181The xylem which has metaxylem towards the centre and protoxylem is present towards the periphery is known
as
A. Endarch
B. Mesarch
c. Exarch
D. None of the above
11
182If in any plant, pith is absent, xylem surrounds the phloem or phloem surrounds the xylem. It is called as
A. Radial
B. Conjoint
c. collateral
D. concentric
11
183Vessels and companion cells are found
in
A. Angiosperm
B. Pteridophytes
c. Bryophytes
D. Thallophytes
11
184Growth/ annual rings are formed by the activity of
A. Cambium
B. Xylem
c. Phloem
D. Both xylem and phloem
11
185Very short answer type:
Why is propagation through grafting not successful in monocots?
11
186Which of the following is not formed from procambium?
A. Xylem
B. Phloem
c. Intra-fascicular cambium
D. Inter-fascicular cambium
11
187Match and find the correct combination
(a)
Trichomes ( quad ) (i) ( quad ) Gaseous
exchange
(b)
Tracheids ( quad ) (ii) ( quad ) Mechanical
strength
(c) Bast fibres water
(iii) ( quad ) conduction
( (d) )
Guard
cells
(iv) Water
conduction
(v) Synthesis of
food 1
( mathbf{A} )
(a)-(iii), (b)-(v), (c)-(iv), (d)-(ii)
B. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
C. (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
D. ( (a)-(v),(b)-(text { iii) },(c)-(i v),(d)-(i i) )
11
188Which of the following statements are correct about the functions of
epidermis in
a. Dorsiventral leaf
b. Protection
c. Bears stomata
d. Gaseous exchange through Bulli form cells.
( A cdot A & B )
B. Only A
c. В &
D. only
11
189Read the following statements:
(i) The sieve tube elements and
companion cells are connected by pit fields present between their common longitudinal walls.
(ii) Phloem parenchyma is made of elongated non-tapering cylindrical cells that have a scanty cytoplasm.
(iii) Phloem fibers are made of
parenchymatous cells.
(iv) Companion cells help in maintaining the pressure gradient in the sieve tube.
(v) The phloem parenchyma stores food material and other substances like
resins, latex, and mucilage.
How many of the given statements are
correct?
A. Three
в. Two
c. one
D. Four
11
190Meristematic tissue in vascular bundle
is
A. Phellem
B. Procambium
c. Interfascicular cambium
D. Fascicular cambium
11
191Phloem parenchyma is absent
in
A. Dicot leaf
B. Monocot stem
c. Dicot stem
D. Dicot root
11
192Jute fibres are
A. Sieve fibres
B. Xylem fibres
C. Phloem fibres
D. Mesocarp fibres of Coconut
11
193Assertion
In woody stems, the amount of
heartwood continues to increase year
after year.
Reason
The cambial activity continues
uninterrupted.
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
194The function of a vessel is
A. Conduction of food
B. Conduction of water and minerals
c. conduction of hormones
D. All of the.above
11
195After two or three years of secondary growth, the cortex in dicot roots
A. Remains intact
B. Is completely sloughed away
c. Is largely lost
D. Is converted into cork
11
196Inner darker, harder portion of secondary xylem that cannot conduct water in older dicot stem is called?
A. Alburnum
B. Bast
c. Duramen
D. woodd
11
197A tracheid is
A. With multinucleate condition
B. Unicellular
C . Multicellular
D. None of these
11
198Early wood differs from latewood in
A. Being produced in winter
B. Presence of narrow vessels
C. Being light in colour
D. Possessing high density
11
199Sap wood is otherwise called as
A. Duramen
B. Alburnum
c. Pith
D. Medullary rays
11
200Draw and label the diagram of the T.S. of
stem
11
201has living cells.
A. Xylem
B. Phloem
c. Sclerenchyma
D. All of the above
11
202Name the tissue found in the husk of
coconut. List its two characteristics
11
203Inter fascicular cambium:
A. Is same as fascicular cambium
B. Are cylindrical meristems
C . Cannot produce secondary tissues
D. Are actually cork-cambium
11
204P-protein occurs in
A. Sieve tube elements
B. Tracheids
c. Vessels
D. Phloem parenchyma
11
205Trachea, tracheids, wood fibres, and
parenchymatous tissues are found in
A. Xylem
B. Cambium
c. cortex
D. Phloem
11
206Which one yields drug for malaria?
A. Penicillium
B. Algae
c. Bacteria
D. cinchona bark
11
207Safranin stains which of the following elements of the tissue?
A. Starch elements
B. Lignified elements
c. Protein elements
D. Hard bast
11
208The grittiness of pulp of wood apple is due to
A. Macrosclereids
B. Brachysclereids
c. osteosclereids
D. Astrosclereids
11
209Phellogen and phellem respectively denote
A. cork and cork cambium
B. cork cambium and cork
c. secondary cortex and cork
D. cork and secondary cortex
11
210Which one does not occur in xylem
A. Medullary rays
B. Vascular rays
c. vessels
D. Tracheids
11
211In dicot roots, cells of which of the
following region show Casparian strips?
A. Cambium
B. Endodermis
c. Pericycle
D. Hypodermis
11
212Which of the following is not a function of ground tissue in plants?
A. Production of other tissues
B. Supporting the plant
c. storage of water and carbohydrates
D. Transport of materials
E. None of the above
11
213Triradiate vascular bundles can be
traced in
A. Monocot root
B. Dicot root
c. Monocot stem
D. Dicot stem
11
214Annual growth rings are formed due to activity of
A. Extra-stelar cambium
B. Intra-stelar cambium
c. Inter-stelar cambium
D. All of the above
11
215Which of following plant cells are without vacuoles and without nuclei?
A. Cambium cells
B. Xylem vessels
c. Root hairs
D. Companion cells
11
216Match the following lists and choose the correct combination.
List-I List-II
(A)Trichomes ( quad ) (i)Gaseous exchnage
(B)Tracheid ( quad ) (ii)Mechanical strength
(C)Bast fiber
(iii)Prevent water loss
(iv)Water conduction (D)Guard cells food pf (v)Synthesis
( A )
A- (iii), B- (v), C- (iv), D- (ii)
B. A- (iii), B- (iv), C- (ii), D- (i)
( c )
A- (i), B- (iv), C- (ii), D- (iii)
( A-(v) ) C- (iv), D- (ii)
D. B- (iii)
11
217A meristem may be defined as the group of cells which
A. Add to the bulk of the plants
B. Conserve food
c. Divide continuously to give rise to new cells
D. Elongate and add to the group of cells
11
218A secondary growth proceeds, in a dicot stem, the thickness of
A. sapwood increases
B. heartwood increases
c. both sapwood and heartwood increases
D. both sapwood and heartwood remains the same
11
219All of the following statements are
regarding sieve tube elements that are
true except
A. Their end walls have perforated sieve plates which become impregnated with lignin at maturity.
B. They possess a peripheral cytoplasm as well as a large vacuole.
C. Distinct proteinaceous inclusions, the P-proteins are seen evenly distributed throughout the lumen.
D. Long, slender, tube-like structures arranged in longitudinal series.
E. They are devoid of nucleus at maturity.
11
220Q Type your question_ ( sqrt{0} )
a uructure
begin{tabular}{c|cc}
& Characters & Monocot root & Dicot root \
(i) & Vascular bundle & Polyarch i.e., more than 6 vascular bundles & Diarch to hexarch i.e., ( 2-6 ) vascular bundles \
(ii) & Cambium & Absent & Present, so secondary growth occurs \
(iii) & Pith & Poorly developed & Well developed large pith \
& & Gives rise & \
(iv) & Activity of pericycle & to secondary roots and cork cambium & Gives rise to lateral roots only \
hline
end{tabular} dentify the incorrect differences and
select the correct option.
A. (i) and (iii)
B. (i) and (iv)
C . (iii) and (iv)
D. (ii) and (iii)
11
221The vascular cambium normally gives
rise to
A. Periderm
B. Phelloderm
c. Primary phloem
D. Secondary xylem
11
222Sclerenchymatous bundle sheath is found in
A. Sunflower
B. Mango
c. Grass
D. Banyan
11
223Which of the following characters is not found in the transverse section of
monocot stem?
A. Sclerenchymatous bundle sheath
B. Lysigenous cavity
c. Sclerenchymatous hypodermis
D. Starch sheath
11
224Albuminous cells occur in
A. Xylem
B. Phloem
c. cortex
D. conjunctive parenchyma
11
225Discuss the role of cambium in
secondary growth of dicot stems.
11
226of Helianthus leaf passing through the
midrib, certain parts have been
indicated by alphabets, choose the
answer in which these alphabets have been correctly matched with the parts
which they indicate.
A. A- Epidermis, B- Spongy parenchyma, C- Palisade parenchyma, D- Stomata, F – Phloem, G- Metaxylem, H Protoxylem
B. A- Epidermis, B- Palisade parenchyma, C- Spongy Parenchyma, D- Sub stomatal cavity, F- Phloem, GMetaxylem, H- Protoxylem
C. A- Epidermis, B- Palisade parenchyma, C- Spongy parenchyma, D- Stomata, F- Endodermis, G- Xylem, HPhloem
D. A- Epidermis, B- Palisade parenchyma, C- Spongy parenchyma, D- Stomata, F- Phloem, G- Metaxylem, HProtoxylem
11
227Duramen is present in
A. Inner region of secondary wood
B. Part of sap woodd
c. outer region of secondary wood
D. Region of pericycle
11
228Identify the wrong statement in context of heartwood.
A. It comprises dead elements with highly lignified walls
B. Organic compounds are deposited in it
c. It is highly durable
D. It conducts water and minerals efficiently
11
229The branch of study dealing with microscopic anatomy of tissue is
A. Histology
B. Cytology
c. Morphology
D. Palaeontology
11
230Which is not true for dicot root
A. Less developed pith or absent
B. Secondary growth
( c cdot ) Both
D. ( 15-20 ) vascular bundles
11
231Downward flow of organic and even some inorganic solutes takes place
from the leaves through the stem by way of
A. Phloem by protoplasmic streaming
B. All parenchymatous cells of the stem by diffusion of
C. Phloem by mass flow of solutes from higher turgor pressure of leaf mesophyll cells along a turgor pressure gradient in phloem cells
D. Phloem by diffusion
11
232The cambium is
A. Apical meristem
B. Lateral meristem
C . Intercalary meristem
D. Secondary meristem
11
233Which tissue gives rise to secondary growth?
A. Apical meristem
B. Adventitious root
c. Axillary bud
D. vascular cambium
11
234Refer the given figure and select the
correct option regarding it.
A. P are dead sclerenchyma fibers that provide mechanical strength
B. Q helps in maintaining pressure gradient
C. ( R ) is the main conducting part of the phloem formed of cylindrical cells
D. S is living parenchyma cell that stores food
11
235A water proof protective tissue with suberized walls is
A. Bark
B. Bast
c. Intraxyllary fibres
D. Tylose
11
236Continuous mitosis in plants is shown
by
A. Pith
B. Xylem
c. Phloem
D. cortex
E. Cambium
11
237Which of the following is correct sequence of layers in typical monocot root from outside to inside?
A. Pericycle, cortex, endodermis, epiblema
B. Epiblema, endodermis, cortex, pericycle
c. Epiblema, cortex, endodermis, pericycle
D. Epiblema, pericycle, cortex, endodermis
11
238Schlerenchymatous hypodermis is
found in?
A. Dicot root
B. Monocot leaf
c. Dicot stem
D. Monocot stem
11
239Why is cambium considered to be a
lateral meristem?
11
240Assertion
Death of companion cell leads to the death of sieve cells also.
Reason
Both companion and sieve are phloem
cells.
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
241Assertion
In the dicot root, the vascular cambium
İs secondary in origin.
Reason
Secondary growth occurs in stems and
roots of gymnosperms also.
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
242Sclerenchyma is a simple permanent tissue with thick secondary lignified cell walls. In which of the following cells the secondary cell walls are present?
A. The cells containing cytoplasm only
B. The cells with protoplast
c. The cells which are living at maturity
D. The cells which are non living at maturity
11
243Cork cells are impervious due to deposit
of
A. Cutin
B. Lignin
c. suberin
D. Chitin
11
244In a dicotyledonous stem, the sequence of tissues from the outside to the inside
is
A. Phellem, Pericycle, Endodermis, Phloem
B. Phellem, Phloem, Endodermis, Pericycle
C. Phellem, Endodermis, Pericycle, Phloem
D. Pericyle, Phellem, Endodermis, Phloem
11
245Spongy parenchyma is arranged in
A. One layer
B. Loosely arranged
c. Compactly arrangedd
D. Regularly arranged around large cavities
11
246A tissue is a
A. A group of separate organs that coordinated in their activities
B. Group of similar cells that function together in a specialised activity
C. Layer of cells surrounding an organ
D. Sheet of cells, one layer thick
11
247What is tissues?11
248Tissue is defined as a structural
organization of a group of similar or dissimilar cells to carry out a specific function.
A. True
B. False
11
249The branched sclereids present in hydrophytes are
A. Osteosclereids
B. Trichosclereids
c. Macrosclereids
D. Astrosclereids
11
250The term used to determine the age of tree by counting the annual ring is called as
A. Dendrochronology
B. Ageing and development
c. chronology
D. None of the above
11
251The activity of sieve tube is controlled by nucleus of
A. Companion cells
B. Bast fibres
c. Phloem parenchyma
D. Xylem vessels.
11
252Heartwood differs from sapwood in
A. Absence of vessels and parenchyma
B. Having dead and non-conducting elements
C. Being susceptible to pests and pathogens
D. Presence of rays and fibers
11
253Vascular cambium forms xylem on
inner side and phloem on outer side due
to.
A. Effect of gravity
B. Shearing force of wind
c. Intrafascicular nature
D. Differential action of hormones
11
254Phloem always flows from a
A. Sugar source to sugar sink
B. Sugar sink to sugar source
C. Leaf to the xylem to the phloem
D. Leaf to a root
11
25531. The layer present in between
xylem and phloem in Dicot Stem
is:
(1) starch sheath
(2) pith
(3) stele
(4) cambium
11
256Sapwood is
A. Outer functional part of secondary xylem
B. Inner non functional part of secondary xylem
C. Outer as well as inner part of secondary xylem
D. None of the above
11
257The change that occurs in apex at the time of flowering is
A. Meristem gets destroyed
B. Vegetative apex changes into reproduction apex
c. Meristem decreases its activity
D. All of the above
11
258Explain the process of secondary growth in stems of wood angiosperms with the help of schematic diagrams. What is its significance?11
259One growth ring consists of
A. Springwood and early wood
B. only spring wood
c. only autumn woodd
D. spring wood and autumn wood
E. Bryophytes
11
260Some vascular bundles are described
as open because these
A. are surrounded by pericycle but no endodermis
B. are capable of producing secondary xylem and phloem
c. possess conjuctive tissue between xylem and phloem
D. are not surrounded by pericycle
11
261Select the correct option:
Identify the types of vascular bundle in the figures (i) and (ii) and select the correct option.
conjoint
(A) Conjoint collateral – ( quad ) bicollatera
(B) Conjoint bicollateral- – conjoint collateral
C) Conjoin Conjoin open
D) Conjoint collatera conjoint closed
( A )
B. B
( c cdot c )
( D cdot D )
11
262Fibres would have
A. Thick walled
B. Thin walled
C. Thickening of wall at corners
D. Dense cytoplasm
11
263Vascular cambium forms one of the
following on its inner side.
A. Bast fibres
B. Sieve tubes
c. wood fibres
D. Companion cells
11
264How many histogens are present at the apex of root?
( mathbf{A} cdot mathbf{1} )
B. 2
( c cdot 3 )
( D )
11
265Cuticle is secreted by
A. Epidermis
B. Endodermis
c. Both A and B
D. Hypodermis
11
266In dicot root, showing secondary growth,
cork is found
A. External to primary cortex
B. Inner to epidermis and outer to pericycle
C. Outer to endodermis and inner to primary cortex
D. Inner to endodermis and external to primary phloem
11
267Describe the different types of vascular bundles.11
268What is a rhytidome?
A. It is a bark
B. Dead tissue separated by periderm on outerside
C. Dead tissue separated by periderm on inner side
D. Secondary cortex
11
269In which of the following sclerenchyma cells, the secondary cell walls are
present
A. The cells containing cytoplasm only
B. The cells with protoplast
c. cells which are living at maturity
D. cells which are non-living at maturity
11
270Thickness of stem increase due to
activity of
A. Cambium
B. Xylem
c. Phloem
D. Shoot apex
11
271State the location and function of
different types of meristematic tissues in plants.
11
272Assertion
Most of the secretions released by
laticiferous tissue is of no use to plants.
Reason
They are by products of physiological reactions useful for mankind.
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
273Complex tissues are not found in
A. Few bryophytes
B. Pteridophytes
c. All gametophytes
D. All spermatophytes
11
274Which one of the following statement is false for heartwood?
A. It is made up of living cells.
B. It forms central cylinder of wood.
c. It is solid and hard.
D. It contains gums and resins
11
275The bark of tree commonly comprises
A. All the tissues outside the vascular cambium
B. All the tissues outside teh cork cambium
C . Only the cork
D. The cork and secondary cortex
11
276Select the correct option:
Vascular cambium and cork cambium
are the examples of
A. Apical meristem
B. Lateral meristem
c. Intercalary meristem
D. Promeristem
11
277Cells appear like pipeline arranged in co ntinuous pattern below the cambium u nder microscope
It could be ( _{—-} ) type cell.
A. xylem vessel
B. Parenchyma
c. collenchyma
D. Sclerenchyma
11
278Longest fibers are found in
A. Jute
B. cotton
c. Sunn hemp
D. coir
11
279Cambium found in vascular bundles of
dicot stem is
A. Intercalary meristem
B. Fascicular cambium
c. secondary meristem
D. All of the above
11
280Secondary growth generally occurs in
A. Monocots
B. Dicots
c. Gymnosperms
D. Both (b) and (c)
11
281Read a to d and tell the correct order of
components from outer side to inner
side in a woody dicot stem
(a) Secondary cortex
(b) Wood
(c) Secondary phloem
(d) Phellem.
A ( cdot(mathrm{c}),(mathrm{d}),(mathrm{b}), ) (a)
B. ( (a),(b),(d),(c) )
( D cdot(d),(c),(a),(b) )
11
282In which of the following secondary growth occurs:
(A) The root of cycas
(B) Stem of Pinus
(C) The root of maize
(D) Stem of
mango
(E) Stem of wheat
A. All except A and B
B. All except ( c ) and ( E )
c. only D
D. Only A and B
11
283Which one of the following statements pertaining to plant structure is correct?
A. cork lacks stomata but lenticels carry out transpiration.
B. Passage cells help in transfer of food from cortex to phloem
c. Sieve tube elements possess cytoplasm but no nuclei
D. The shoot apical meristem has a quiescent centre.
11
284Which does not contain cytoplasm?
A. Liver cell
B. Palisade tissue
c. Red blood cell
D. xylem vessel
11
285Dorsiventral leaf is identified by the
presence of
A. Stomata on both the epidermis
B. Stomata mainly present on the lower epidermis
c. No stomata on the epidermis
D. Sunken stomata on the upper epidermis
11
286Meristematic tissue occurs in
A. Stems
B. Roots
c. All growing tips
D. Both of the (A) and (B)
11
287Callose carbohydrates can be traced in
A. vessels
B. Tracheids
c. sieve cells
D. sieve tubes
11
288Assertion
The vascular cambium is absent in
monocots.
Reason
The monocots never show secondary growth.
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
289In a dicot leaf, vascular bundles are
found in the
A. Chloroplast
B. Palisade tissue
c. Lower epidermis
D. Upper epidermis
E. spongy mesophyll
11
290Cambium is most active in
A. Summer
B. Winter
c. All seasons
D. Snow areas
11
291Leaves of many grasses are capable of folding and unfolding because they
A. Are very thin
B. Are isobilateral
c. Have specialised bulliform cells
D. Have parallel vascular bundles
11
292Secondary growth is not found in
A. Dracaena
B. Cucurbita
c. Bambusa
D. Both B and C
11
293This is a complex, non-carbohydrate polymer found in cell walls Its function is to provide stiffening to the cell as in xylem vessels and bark fibres. Name it
A. Opsonin
B. Saponin
c. Lignin
D. Plant Polypeptide
11
294The plant tissues commonly found in fruit walls of nuts and pulp of some fruits like guava are termed as
A. Fibres
B. Tracheids
c. Sclereids
D. vesselss
11
295Senescence and death are essential in
the function of
A. Sieve tubes
B. Companion cells
c. Both A and B
D. xylem and sclerenchyma cells
11
296Long pointed sclerenchyma cells are
A. Fibres
B. Tracheae.
c. wood parenchyma
D. Sclereids.
11
297The product of photosynthesis is
transported from source of production
to the storage organs through
A. Palisade tissue
B. Phloem tissue
c. spongy tissue
D. xylem tissue
11
298Multi-directional flow of a variety of
organic and inorganic solutes occurs
through.
A. Xylem
B. Vascular tissue
c. Phloem
D. Root
11
299What is called secondary or lateral
meristem?
11
300Select the correct option on the basis of given features, to which they belong:
A. Cambium – Develops later
B. Pith – Absent
C. Epidermis -Possess unicelluiar hairs
A . Dicot stem
B. Monocot stem
c. Dicot root
D. Monocot root
11
301In an annual ring, the light coloured part
is
A. Heart wood
B. Sapwood
c. Early wood
D. Late wood
11
302Plant tissue responsible for stiffness in husk of coconut is
A. Sclerids
B. Phloem cells
c. xylem fibres
D. Sclerenchyma fibres
11
303After the secondary growth, the oldest layer of secondary phloem in a dicot stem is located
A. Just outside the vascular cambium
B. Just inside the vascular cambium
c. Just inside the vascular primary phloem
D. Just outside the secondary xylem
11
304The hypodermis present in maize stem
is
A. Parenchymatous
B. Collenchymatous
c. Sclerenchymatous
D. Meristematic
11
305Choose the appropriate terms for the following definitions.
Phloem, Vascular cambium, Mesophyll, Schizogenous, Dendrochronology, Aerenchyma, Velamen, Tylosis, Parenchyma, Collenchyma, Lysogenous, transfer cell
lateral meristem that produces
secondary phloem and secondary xylem.
11
306The length of a plant axis increases by
A. Apical meristem
B. Lateral meristem
c. Dermatogen
D. Pleurome
11
307For a critical study of secondary growth in the plant, which of the following pairs is suitable?
A. Sugarcane and sunflower
B. Teak and pine
c. Deodar and fern
D. Wheat and maiden hair fern
11
308Observe the given figures of three
different plant tissues and select the correct option.
28
A. ‘a’ and ‘b’ consist of living cells while ‘c’ consits of dead cells
B. Cytoplasm is present in cells of ‘a’ while it is absent in cells of ‘b’ and ‘c’.’
C. Cell walls of ‘a’ ‘b’ and ‘c’ bear uniform tickening of suberin
D. ‘a’ provides mechanical strength to the plant while ‘b’ and ‘c’ serve as storage tissues.
11
309Vascularisation in plants occur
through
A. Differentiation of procambium followed by primary phloem and then primary xylem
B. Differentiation of procambium followed by development of xylem and phloem.
C. Simultaneous differentiation of procambium, xylem and phloem
D. Differentiation of procambium is immediately followed by development of secondary xylem and secondary phloem.
11
310Secondary growth occurs in
A. All plants
B. Only dicots
C. Only monocots
D. Both dicots and monocots
11
311In Dracaena, vascular bundles are
A. Amphivasal
B. Amphicribal
C. Radial
D. Bicollateral
11
312In the diagram of T.S. of stele of a dicot
root, the different parts have been indicated by alphabets; choose the answer in which these alphabets correctly match with the parts
they indicate.
A. A- Endodermis, B-Conjunctive tissue, C- Metaxylem,
D- Protoxylem, E- Phloem, F- Pith
B. A- Endodermis, B- Pith, C- Protoxylem, D- Metaxylem,
E- Protoxylem, F- conjunctive tissue
C. A-Pericycle, B-Conjunctive tissue, C- Metaxylem, DProtoxylem, E- Phloem
D. A- Endodermis, B- conjunctive tissue, C- Protoxylem,
D- Metaxylem, E- Phloem, F- Pith
11
313The bark of woody plant is dead but the
inner layers inside the bark are living. How do these inner layers get oxygen and release carbon dioxide?
A. Lenticels
B. Stomata
c. Pneumatophores
D. Tendrils
11
314Complementary cells of lenticels develop from
A. Phellem
B. Phelloderm
c. Endodermis
D. Phellogen
11
315Assertion
Phellogen is cork cambium formed in dicot roots and shoots to protect underlying tissues.
Reason
It secretes phellem which substitutes
epidermis after secondary growth.
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
316Which one is correct about bulliform/
motor cell?
A. It is seen in grasses
B. It is large-sized, colorless, vacuolate cells on the adaxial surface of monocot leaf
c. Both of the above
D. None of the above
11
317Assertion
Tracheids and the tracheae, the dead tissues are chief conducting tissues and their death is of great advantage to
plants.
Reason
In the dead tissues, the water and
solutes move freely and have not to diffuse through any differentially
permeable membranes, making conduction rapid and efficient.
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
318The trees growing in desert will
A. Show alternate rings of xylem and sclerenchyma
B. Have only conjunctive tissue and phloem formed by the activity of cambium
C. Show distinct annual rings
D. Not show distinct annual rings
11
319Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is monocot stem or dicot stem. Give
reasons.
11
320When both sides of the stem are
removed, and even after that it
continues to grow in diameter, then it is
due to the presence of
A. Pith
B. Apical meristem
c. Lateral meristem
D. Intercalary meristem
11
321In case of monocots, hypodermis is
A. Collenchymatous
B. Parenchymatous
c. Sclerenchymatous
D. Both A and B
11
322Secondary growth does not occur in monocots as their vascular bundles are
A . Radial
B. Scattered
c. Enclosed by sclerenchyma
D. closed
11
323Tyloses are found in
A. Sclereids
B. Sclerenchyma fibres
c. secondary phloem
D. Secondary xylem
11
324Three types of tissue systems namely epidermal, fundamental, & vascular,
were proposed by
A. Hanstein
B. Buvat
c. sachs
D. Nageli
11
325What is a tissue?11
326Match the columns and choose the
correct option.
( (a) )
( (b) )
( (c) )
( (e) )
( (d) )
( mathbf{A} cdot a-3, b-5, c-4, d-1, e-2 )
B ( cdot a-2, b-5, c-1, d-3, e-4 )
( mathbf{c} cdot a-2, b-4, c-1, d-3, e-5 )
D ( . a-3, b-1, c-5, d-2, e-4 )
E ( . a-5, b-4, c-2, d-1, e-3 )
11
327Create a poster/flowchart to depict all that you have learnt in this chapter
about plant tissues.
11
328Determination of age of a tree by counting annual rings is known as
A. Dendrochronology
B. Dendrology
c. Gyrochronology
D. Chronology
11
329In the diagram of T.S. monocot leaf, identify labellings a, b, c, d with their functions.
A. a-motor action, b-photosynthesis, c-conduction, transpiration
B. a-motor action, b-conduction, c-photosynthesis, dtranspiration
c. a-transpiration, b-photosynthesis, c-conduction, dtranspiration
D. a-transpiration, b-conduction, c-photosynthesis, dmotor action
11
330The cross-section of a trunk of a tree
showed 50 annual rings. The age of tree is
( A cdot 50 ) years
B. 50 months
c. 100 years
D. 25 years
11
331Porous wood contains
A. Fibres
B. Sieve tubes
c. Tracheids
D. vesselss
11
332Between the bark and the wood in a
woody stem, there is a layer of meristem called:
A. Zone of cell division
B. Vascular cambium
c. Cork cambium
D. Both B and C
11
333The cells without nuclei are present in
A. vascular cambium
B. Root hair
c. companion cell
D. Members of sieve tube
11
334How are the xylem vessels arranged in
dicot root?
11
335The small aerating pores seen on cork layer of woody stem are
A . Guard cells
B. Subsidiary cells
c. Trichomes
D. Lenticels
11
336Grittiness of fruit wall is due to the
present of
A. Scleride
B. Sclerenchyma fibres
c. Trecheids
D. collenchyma
11
337Lateral meristem is also called
A. Xylem
B. Phloem
c. vascular bundle
D. Cambium
11
338Tissues losing their ability to divide define
A. Histological differentiation
B. Cellular differentiation
c. Molecular differentiation
D. None of the above
11
339Out of the following, how many features
belong to monocot root?
1. Radial vascular bundles
2. Closed vascular bundles
3. Endodermis absent
4. Pith developed
5. Polyarch condition
A. one
B. Two
c. Three
D. Four
11
340The cambium located in between xylem
and phloem in dicot stem is
A. Interfascicular
B. Intrafascicular
c. Both A and B
D. None of the above
11
341Grass stem elongates by the activity of
A. Secondary meristem
B. Intercalary meristem
C. Apical meristem
D. Primary meristem
11
342Cork is a derivative of
A. Cork cambium (phellogen) or extra fascicular cambium
B. Vascular cambium
C. Fascicular cambium
D. Interfascicular cambium
11
343Study of external structure of a plant is
called
A. Histology
B. Morphology
c. taxonomy
D. Phyllotaxy
11
344In those plants whose pulp is of economical importance, they are generally propagated by vegetative means because
A. It is cheaper
B. It is more economical
c. The pulp quality remains same
D. The pulp quality becomes better
11
345Given below are assertion and reason.
Point out if both are true with reason
being correct explanation (A), both true but reason is not correct explanation
(B), assertion true but reason wrong (C)
and both wrong (D), Assertion. Vascular cambium is
considered as lateral meristem.
Reason. It gives rise to lateral shoots.
( A cdot A )
B. B
( c cdot c )
D. D
11
346Write any three functions of epidermal
tissue system.
11
347Casparian strips are characteristic feature of endodermis, made up of
A. Cutin
B. Pectin
c. suberin
D. Cellulose
11
348Phloem always flows from
( mathbf{a} )
A. Sugar source to sugar sink
B. Sugar sink to sugar source
c. Leaf to root
D. None of these
11
349Tyloses occur in
A. Secondary xylem
B. Secondary phloem
c. Callus tissue
D. Cork cells
11
350In Korper-Kappe theory,
A. Korper refers to mantle and kappe to body
B. Korper is cortex while kappe is cap
C. Korper is calyptrogen while kappe is rest of the mreistem
D. Korper is equivalent to corpus and kappe to tunica
11
351All living organisms are made up of
A. Blood
B. Cells
c. water
D. All of the above
11
352The character of monocot is
A. Net-veined leaves
B. Annual rings
c. Seed with two masses of stored food
D. Conducting strands scattered in ground tissue
11
353Inner bark is composed of
A. Secondary xylem
B. Secondary phloem
( c . ) cork
D. Phellogen
11
354Which of the following plant tissues is not a simple permanent tissue?
A. Xylem
B. Collenchyma
c. sclerenchyma
D. Parenchyma
11
355Lateral root arises from
A. Pericycle
B. Cortex
c. Pith
D. Endodermis
11
356Technically porous wood is ………….. wood.
A. Hard
B. Soft
c. sap
D. Heart
11
357Select the correct option: ( ln (mathrm{i}) )
protoxylem lies towards periphery and metaxylem lies towards centre. Such an
arrangement of primary xylem is called ( operatorname{as}(i i) )
(i) 1 (ii)
stems ems endrach
exarch stems ( mathrm{h} )
roots endrach ( mathrm{ch} )
roots exarch A
A. A-stems,B-endrach
B. A-stems, B-exarch
C. A-roots, B-endrach
D. A-roots, B-exarch
11
358Autumn wood is distinguishable from spring wood in having
A. Narrow tracheary elements
B. Broader tracheary elements
c. Lighter colour
D. Cambium
11
359Thickening of trunk in woody plants is
due to
A. Cambium
B. Apical meristem
c. intercalary meristem
D. epidermis
11
360In dicot root showing secondary growth,
cork is found
A. External to primary cortex
B. Inner to epidermis and outer to pericycle
C. Outer to endodermis and inner to primary cortex
D. Inner to endodermis and external to primary phloem
11
361What is the function of
sclerenchymatous tissue?
A. Flexibilty
B. Tenderness
c. strength
D. All of the above
11
362Cavity formed by separation of cells in a
tissue is
A. Schizogenous cavity
B. Lysigenous cavity
c. schizolysigenous cavity
D. Stomatal complex
11
363Conjoint, collateral, open and endarch
vascular bundles are found in
A. Monocot stem
B. Monocot root
c. Dicot root
D. Dicot stem
11
364The trees growth in deserts will
A. Show alternate rings of xylem and sclerenchyma
B. Show distinct annual rings
C. Not show distinct annual rings
D. Have only conjunctive tissue and phloem formed by the activity of cambium
11
365Hockey handle is prepared from the wood of
A. salix
B. Morus
c. Picea
D. Phytelephas
11
366Bi-collateral vascular bundles are
typically seen in
A. cucurbitaceae
c. Monocot stem
D. Acorus
11
367Radial vascular bundles occur in
A. Stem
B. Monocot stem
c. Dicot stem
D. Root
11
368Which of the following statements is or are not true?
1. Cork cambium is otherwise called as
phellogen.
2. Cork is otherwise called as phellem.
3. Secondary cortex is otherwise called
as periderm.
4. Cork cambium, cork and secondarycortex are collectively called as phelloderm
( A cdot 3 ) and 4 only
B . 1 and 2 only
c. 2 and 3 only
D. 2 and 4 only
11
369In the following pairs, contains lignin as common structural component?
A. Tracheid and collenchyma
B. Sclerenchyma and sieve tube
c. sclerenchyma and tracheid
D. Parenchyma and endodermis
11
370Which type of fibres mainly occur in phloem?
A. Libriform
B. Fibre tracheids
c. Sclereids
D. wood fibres
11
371Pericycle in roots is never thick and sclerenchymatous because
A. it does not act as mechanical tissue in roots
B. it gives rise to root hairs
c. it is place o f origin of lateral roots
D. it gives rise both to root hairs and root branches
11
372Vessels differ from tracheids
A. In being living
B. In being derived from a single cell
C. In having vertical row of cells with cross walls dissolved
D. Because they conduct water
11
373Tracheary elements of protoxylem are
A. Larger and broader
B. Formed towards the end
C. With advanced type of thickenings
D. Short narrow with primitive type of thickenings
11
374Column – II and choose the correct
option from the following.
( A cdot A-3, B-4, C-1, D-5, E-2 )
B. ( A-2,8-3, C-1, D-5, E-4 )
( C cdot A-3, B-4, C-5, D-1, E-2 )
( D cdot A-4, B-5, C-1, D-2, E-3 )
( E cdot A-3, B-1, C-2, D-4, E-5 )
11
375Which is not correct about heartwood?
A. It is formed of living cells.
B. It contains resins, tannin and other organic contents
c. It is of dark colour
D. It lies in the centre region
11
376The best method to determine the age
of a tree is to
A. Measure its diameter
B. Count the number of leaves
C. Count the number of annual rings at the base of main stem
D. Find out the number of branches
11
377Which one is responsible for radial conduction of water and food in woody
stems?
A. vessels
B. Vascular rays
c. Endodermis
D. Xylem fibers
11
378Vascular bundle is known as ……….., when
the xylem completely surrounds phloem
A. Bicollateral
B. Amphivasal
c. conjoint and open
D. Amphicribral
11
379Vascular tissues of flowering plant
develop from
A. Dermatogen
B. Periblem
c. Plerome
D. Phellogen
11
380What do you understand by the term tissue?11
381Interfascicular cambium develops from the cell of
A. Medullary rays.
B. Xylem parenchyma.
c. Endodermis.
D. Pericycle.
11
382Which one of the following undergoes decay when exposed to air?
A. Sap wood
B. Hard wood
c. Heart wood
D. Light wood
11
383We do not sense any pain when we clip
our nails or cut our hair. Why?
A. They are made up of dead cells.
B. These parts are senseless.
C. They are very strong to tolerate pain.
D. None of these.
11
384A tissue present in guava pulp and tea leaves is
A. Sclereid
B. Chlorenchyma
c. collenchyma
D. Aerenchyma
11
385Passage cells are found in
A. Epidermis
B. Endodermis
C. Pericycle
D. Lenticels
11
386In roots, lateral branches grow from.
A. Epiblema
B. Pericycle
c. cortex
D. Endodermis
11
387Match the species with type of wood
(a) Tectona grandis
(b) Cedrus deodara
(c) Shorea robusta
(d) Dalbergia sisso
(e) Softwood
(f) Hardwood
A. a-e, b-f, c-f, d-e
B. a-e, b-e, c-f, d-f
c. a-f, b-e, c-f, d-f
D. a-f, b-e, c-e, d-f
11
388Stem of few dicot plants are getting mechanical strength mainly because of tissue, before secondary growth.
A. Sclerenchyma
B. Collenchyma
c. Parenchyma
D. None of the above
11
389When tree grows older, which of the following increase rapidly in thickness?
A. Heart wood
B. Sap wood
c. cortex
D. Phloem
11
390Which will decay faster if exposed freely?
A. Softwood
B. Heartwood
c. sapwood
D. Wood with lots of fibres
11
391Grass stem elongates after initia
growth due to
A . Lateral meristem
B. Secondary meristerm
c. Intercalary meristem
D. Apical meristem
11
392Spring wood (early wood) differs with autumn wood (late wood) in
A. Size of vessels and tracheids
B. Thickness of cell wall
c. Amount of wood
D. All the above
11
393Assertion
Secondary growth in dicot roots occur with the help of vascular cambium/ phellogen
Reason
Vascular cambium is formed from
conjuctive parenchyma and part of Pericycle.
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
394Which of the following statement is
true?
A. The collenchyma occurs in layers below the epidermis in monocotyledonous plants
B. Sclerenchyma cells are usually dead and without protoplasts.
c. xylem parenchyma cells are living and thin walled and their cell walls are made up of lignin.
D. The companion cells are specialized sclerenchymatous cells.
E. Phloem fibres are generally present in the primary phloem.
11
395Length of petiole increases by the activity of
A. Apical meristem
B. Lateral meristem
c. Intercalary meristem
D. All the above
11
396Outer light coloured region of wood is known as
A. Autumn wood
B. Spring wood
c. Heart wood
D. Sap wood
11
397Distinguish between Phellem and phelloderm.11
398Growth rings are formed by the activity
of.
A. Extrastelar cambium
B. Intrastelar cambium
c. Interstelar cambium
D. Both B and C
11
399The term meristem was coined by
A. Hanstein
B. Nageli
c. Schmidt
D. Esau
11
400Lignified elongated dead cells
are
A. Parenchyma
B. collenchyma
c. sclerenchyma
D. None of these
11
401If the dicot stem is stained for starch,
the most intense colouration would
develop in
A. epiblema
B. phloem
c. endodermis
D. pith
11
402Casparian strips occur in
A. Radial walls of endodermis
B. Radial walls of phellem cells
C. Radial walls of epidermal cells
D. None of the above
11
403The best possible method to determine the age of a tree is
A. To find out the number of branches
B. To measure it’s diameter
c. To count the number of annual rings
D. To count the number of leaves
11
404Fibres are obtained from
A. ( mathrm{Xylem}, ) phloem and sclerenchyma
B. Xylem, phloem, sclerenchyma and epidermis
C . Xylem, parenchyma and epidermis
D. Xylem, parenchyma and endodermis
11
405In dicot stem, xylem is
A. Polyarch
B. Endarch
c. Exarch
D. Mesarch
11
406Cork Cambium of dicot stem originates
from
A. Dedifferentiated parenchyma cells of cortex
B. Dedifferentiated collenchyma cells of cortex
C. Parenchyma cells of medullary ray
D. Parenchyma cells of pericycle
11
407Why are xylem and phloem called as complex tissues?11
408a. Which ground tissue are you eating,
when you eat mashed potatoes?
Which ground tissue makes the shell of a groundnut hard?
11
409A tissue is a grouping of cells similar in
A. Function
B. Structure
c. Heredity
D. origin and function
11
410Knots in stems are formed due to
A. Tumors formed due to bacterial infection of wounds.
B. Outgrowth of secondary tissue over wounds.
C. Injury caused by insects.
D. None of the above.
11
411The only plant cells without nucleus among the following is
A. Cambium cells
B. Root hair
c. companion cells
D. Xylem vessels
11
412Age of a tree can be estimated by
A. Its height and girth
B. Biomass.
c. Number of annual rings
D. Diameter of its heartwood.
11
413Which of the following provide maximum mechanical strength to a
tree trunk ?
A. Heart wood
B. Sap wood
( c . ) cork
D. Late wood
11
414Bamboo, grass and mint stem elongate by the activity of
A. Primary meristem
B. Secondary meristem
c. Intercalary meristem
D. Apical meristem
11
415Scaly bark occurs in
A. Eucalyptus
B. Betula
c. Psidium
D. Tectona
11
416What is an annual ring?11
417Given below are some characteristics of
vessels and tracheids.
(i) Multicellular with wide lumen
(ii) Dead cells
(iii) Cell walls are lignified
(iv) Discontinues lumen due to
presence of end walls
(v) Long, cylindrical tube-like structure
(vi) Elongated cells with tapering ends Categorize the above characteristics
with vessels ( (x) ) and tracheids ( (y) ) and select the correct option.
A. ( x-(i),(text { (i), (iii) }),(v), Y-(i text { i) }, ) (iii), (iv), (vi)
B. X-(i), (iii), (vi), Y- (ii), (iii), (iv), (v)
c. ( x-(i),(text { iv }),(v), Y-(text { ii), (iv) },(v),(v i) )
D. ( x-(i),(text { ii) },(v),(v i), Y-(i), ) (iii), (iv), (vi)
11
418Cells of quiescent centre are characterized by
A. Dense cytoplasm and prominent nuclei
B. Light cytoplasm and small nuclei
c. Dividing regularly to add to the corpus
D. Dividing regularly to add to tunica
11
419State the location and functions of
different types of meristems.
11
420After two or three years of the secondary growth, the cortex is dicot root?
A. Remains intact
B. Is completely sloughed away
c. Is largely lost
D. Is converted into cork
11
421Division of cells and tissues is an
important factor for establishing a multicellularity in an organism.
A. True
B. False
11
422Which of the following would you consider to prove that a plant is a
monocot?
A. Leaves with reticulate venation
B. Taproot system
c. Vascular bundles are closed
D. Presence of cambium
11
423Large nearly empty, colourless cells present on the upper surface of grass leaf are
A. Accessory cells
B. Bulliform cells
c. Palisade parenchyma
D. Spongy parenchyma
E. Passage cells
11
424Casparian strips occurs in
A. Cortex
B. Epidermis
c. Endodermis
D. Pericycle
11
425Phellogen and phellem respectively denote
A. Cork and cork cambium
B. Cork cambium and cork
c. Secondary cortex and cork.
D. cork and secondary cortex.
11
426Growth rings are either absent or are not sharply demarcated in
A. Temperate deciduous trees
B. Tropical evergreen trees
c. Temperate hot regions
D. Tropical deciduous trees
11
427Which one of the following is not true about monocotyledons?
A. Embryo has single cotyledon
B. Leaves show parallel venation
c. Flowers are generally trimerous
D. vascular bundle are conjoint, collateral and open
11
428How does the cork act as a protective
tissue?
11
429Interfasicular cambium is a
A. Primary meristematic tissue
B. Primordial meristem
c. Type of protoderm
D. Secondary meristematic tissue
11
430Monocot root differs from dicot root in
having
A. Open vascular bundle
B. Scattered vascular bundle
c. Large pith
D. No pitt
11
431Vascular bundles of monocot stem are
A. Conjoint, collateral and open
B. Conjoint, collateral and closed
C. Conjoint, bicollateral and open
D. Conjoint, concentric and closed
11
432Which one of the following is correct
match?
A . A- Interfascicular cambium, B- Intrafasicular
cambium, C- Pericycle, D- Pith
B. A- – Intrafascicular cambium, B- -Interfascicular cambium, C- Pith, D- Pericycle
C. A- Pericycle, B- Interfascicular cambium, C- Pith, D Primary phloem
D. A- Pericycle, B- Pith, C- – Interfascicular cambium Dntrafascicular cambium
11

Hope you will like above questions on anatomy of flowering plants and follow us on social network to get more knowledge with us. If you have any question or answer on above anatomy of flowering plants questions, comments us in comment box.

Stay in touch. Ask Questions.
Lean on us for help, strategies and expertise.

Leave a Reply

Your email address will not be published. Required fields are marked *