1. The apical meristem of the root is present.

(a) Only in the radical

(b) Only in adventitious root.
(c) Only in tap roots
(d) In all the roots.
2. Vascular tissue in flowering plants develops from.
(a) Periblem
(b) Phellogen
(c) Dermatogen
(d) pleorome
3. Palisade parenchyma is absent in leaves of
(a) Mustard
(b) Gram
(c) Soybean
(d) Sorghum
4. Casparian strips are the characteristics of
(a) Cortex
(b) Endodermis
(c) Pericycle
(d) Pith
5. Root cap is formed by
(a) Dermatogen
(b) Vascular cambium
(c) Calyptrogen
(d) Wound cambium
6. Lenticels and hydathodes are small pores with which of the common attributes?
(a) They are always closed
(b) They allow exchange of gases.
(c) Their opening and closing are not regulated
(d) They are found on the same organ of plant
7. The functions of vessel is
(a) To provide mechanical strength
(b) Conduction of water and minerals
(c) Conduction of food only
(d) All of these
8. Cambium is
(a) Lateral meristem
(b) Intercalary meristem.
(c) Primary meristem
(d) Nome of above
9. Cork cell contains
(a) Suberin
(b) Cutin
(c) Lignin
(d) Pectin
10. Root branches arise from
 (a) Pericycle
(b) Endodermis
(c) Cortex
(d) Epidermis.
11. Procambium forms
(a) Cork cambium
(b) Vascular tissue
(c) Vascular cambium
(d) Intercalary meristem
12. Another name of phellogen is
(a) Cork
(b) Phelloderm
(c) Cork cells
(d) Cork cambium
13. The stem of submerged hydrophytes is soft & weak due to
(a) Absence of xylem
(b) Absence of stomatal
(c) Absence of phloem
(d) Reduced mechanical tissue & xylem
14. Which of the following is enucleated?
(a) Vessels
(b) Sieve cells
(c) Compound cells
(d) Tracheids
15. Functional xylem in dicot stem is:
(a) Spring wood
(b) Autumn wood
(c) Heart wood
(d) Sap wood
16. Wood is common name of
(a) Cambium
(b) Vascular bundles
(c) Phloem
(d) Secondary xylem
17. Evergreen trees remains green throughout the year on account of
(a) Absence of leaf fall
(b) Cold climate
(c) Supply of moisture throughout the year
(d) Leaves falling in small no. at regular intervals
18. Sap wood is synonymous with
(a) Bark
(b) Periderm
(c) Outer layer of secondary xylem
(d) Inner layer of secondary xylem
19. The waxy substance associated with the wall of cork cell is…
(a) Cutin
 (b) Suberin
(c) Lignin
(d) Hemicellulose
20. Which of the following tissue originate from ray initials of cambium?
(a) Tracheids & vessels
(b) Sieve tubes & companion cells
(c) Xylem & phloem fibres
(d) Vascular rays
21. Diffuse porous woods are characteristic of plant growing in
(a) Alpine region
(b) Cold winter region
(c) Temperate climate
(d) Tropics
22. The healing of wounds in plants takes place by activity of
(a) Apical meristem
(b) Lateral meristem
(c) Secondary meristem
(d) Intercalary meristem
23. The process of conversion of meristematic tissue to permanent cell is….
(a) Dedifferentiation
(b) Undifferentiation
(c) Differentiation
(d) None of these
24. which is living mechanical tissue
(a) Phloem
(b) Parenchyma
(c) Collenchyma
(d) Sclerenchyma
25. Cambium activity is highest in
(a) Spring
(b) Winter
(c) Autumn
(d) Rainy
26. sieve tube is
(a) Enucleated
(b) Dead cells
(c) Multinucleated
(d) Nucleated
27. Bio collateral vascular bundle is a characteristic feature of family.
(a) Cucurbitaceae
(b) Cruciferae
(c) Brassicaceae
(d) Solanaceae
28. Exarch primary xylem is a feature of
(a) all leaves
(b) dicot stem
 (c) all roots
(d) monocot stems
29. Duramen is
(a) Periderm
(b) Bark
(c) Sapwood
(d) Heartwood
30. Shoot apical meristem is found in the tip of
(a) Plumule
(b) Radicle
(c) Root
(d) Apex
31. Piths are formed on the cell wall due to lack of-
(a) Cell plate
(b) Primary wall material
(c) Secondary wall material
(d) Middle lamella
32. Annual ring are found in plants belonging to-
(a) Alpine regions
(b) Temperate area
(c) Tropics
(d) Near sea beaches
33. Desert grasses often roll their leaves due to presence of
(a) Oily surface
(b) Bulliform cells
(c) Spines
(d) All of these
34. Jute is a
(a) Bast fibre from secondary xylem.
(b) Bast fibres from primary xylem.
(c) Bast fibres from secondary phloem.
(d) Bast fibres from primary phloem
35. Which among the permanent cells are circular and long even elongated cells?
(a) Parenchyma
(b) collenchyma
(c) Sclerenchyma
(d) None of these
36. Stele is made up of –
(a) Vascular bundles
(b) Pericycle
(c) Pith
(d) All of these
37. Which of the following is the correct statement?
(a) Pith is larger in monocot root.
(b) Pith is smaller in dicot root.
(c) Pith is equal in size in both.
 (d) Both (a) and (b)
38. Which of the following is collectively known as periderm?
(a) Phellogen
(b) Phellem
(c) Phelloderm
(d) All of these
39. Wood is common name of
(a) Cambium
(b) Vascular bundles
(c) Phloem
(d) Secondary xylem
40. As tree grows older , which increases rapidly in thickness
(a) Its heartwood
(b) Its sapwood
(c) Its cortex
(d) Its phloem
41. In old tissue gaseous exchange takes place through
(a) Stomata
(b) Aerenchyma
(c) Hydathodes
(d) Lenticles
42. Cork cambium in a dicot root is derived from
(a) Hypodermis
(b) Epidermis
(c) Pericycle
(d) Cortex
43. Quinine important in treatment of malaria is extracted from
(a) Bark of cinchona
(b) Bark of cinnamon
(c) Bark of hevea
(d) Fascicular cambium
44. Interfascicular cambium is situated
(a) In between vascular bundles
(b) Outside vascular bundles
(c) Inside vascular bundles
(d) In pith
45. The cork is an excellent material for making bottle stoppers since it is..
(a) Cheap
(b) Easily available
(c) Air tight
(d) Light
46. Which plant tissue is responsible for lateral growth or increase in girth?
(a) Epidermis
(b) Xylem
(c) Cambium
(d) Parenchyma
47. Which of the following is NOT a type of simple permanent tissue in plants?
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Meristematic tissue
48. What type of cells make up the majority of the plant's ground tissue and are involved in
photosynthesis and storage of nutrients?
(a) Collenchyma cells
(b) Sclerenchyma cells
(c) Parenchyma cells
(d) Xylem cells
49. What is the main function of the cork cambium (phellogen) in woody plants?
(a) Photosynthesis
(b) Transpiration
(c) Protection and insulation
(d) Transport
50. Hypodermis comprise which types of cells?
(a) Few layers of collenchymatous cells
(b) Few layers of parenchymatous cells
(c) Few layers of sclerenchymatous cells
(d) None of the above
51. Mesophyll comprise which types of cells?
(a) Collenchyma cells
(b) Parenchyma cells
(c) Sclerenchyma cells
(d) None of the above
52. Which cells are responsible for the curling of leaves?
(a) Epidermal cells
(b) Mesodermal cells
(c) Bulliform cells
(d) All of the following
53. _____________ present on the inner side of the endodermis and above the phloem in the
form of semi-lunar patches of sclerenchyma.
(a) Starch sheath
(b) Cortical layer
(c) Pith
(d) Pericycle
54. The parenchymatous cells which lie between the xylem and the phloem are
called_______.
(a) Conjuctive tissue
(b) Casparian strips
(c) Both of the following
(d) None of the above
55. Which tissue in plants is responsible for the transport of water and minerals from the
roots to the leaves?
(a) Epidermis
 (b) Xylem
(c) Phloem
(d) Parenchyma
56. The waxy substance associated with the wall of the cork cell is
(a) Lignin
(b) Hemicellulose
(c) Cutin
(d) Suberin
57. A tissue that does not contain lignin
(a) Sclerenchyma
(b) Parenchyma
(c) Collenchyma
(d) Chlorenchyma
58. Lateral roots originate in
(a) Cortex
(b) Endodermal cells
(c) Pericycle
(d) Cork cambium
59. Which gives rise to the cork tissue?
a. Periblem
b. Phellogen
c. Phelloderm
d. Periderm
60. Which are the external protective tissues of the plant?
a. Cortex and epidermis
b. Cork and cortex
c. Pericycle and cortex
d. Epidermis and cork
61. Following is the characteristic of collenchyma
a. Elongated cells with thickened corners
b. Isodiametric cells with thickened walls
c. Elongated cells with deposits of cellulose and pectin
d. Isodiametric cells with deposits of cellulose and pectin
62. Casparian strips are found in
a. Epidermis
b. Endodermis
c. Exodermis
d. Pericycle
63. The apical meristem of the root is found in
a. Taproots
b. Radicals
c. Adventitious roots
d. All the roots
64. Bordered pits are found in
 a. Vessel wall
b. Sieve cells
c. Sieve tube
d. Companion cells
65. Where in epiphytes are velamen cells located?
a. Below the endodermis
b. Below the epidermis
c. Just outside the cortex
d. Just outside the exodermis
66. Intercalary meristem results in
a. Primary growth
b. Secondary growth
c. Apical growth
d. None
67. The age of the tree can be determined by
a. Measuring its diameter
b. Counting the number of annual rings
c. Counting the number of leaves
d. Finding out the number of branches
68. Which meristem helps in increasing the girth of the plant?
a. Primary meristem
b. Apical meristem
c. Intercalary meristem
d. Lateral meristem
69. Fibres associated with phloem
a. Wood fibres
b. Bast fibres
c. Hard fibres
d. Surface fibres
70. In angiosperms, xylem is made up of
a. Tracheids and fibres
b. Tracheids and vessels
c. Vessels and fibres
d. All of the above
71. Which of the following has a perforated cell wall?
a. Vessel
b. Fibre
c. Tracheid
d. Sclereid
72. How many radial vascular bundles are found in dicot roots?
a. Four
b. Six
c. Two
d. One
73. Bicollateral bundles are found in the stem of
a. Pumpkin
b. Sunflower
c. Dracaena
d. Gram
74. Vascular bundles in dicot stem are
a. Closed, conjoint, endarch
b. Open, conjoint, endarch
c. Closed, conjoint, exarch
d. Open, conjoint, exarch
75. Wound healing in plants is initiated by
a. Apical meristem
b. Lateral meristem
c. Secondary meristem
d. Intercalary meristem
76. Function of companion cell
(a) Loading of sucrose into sieve elements
(b) Providing water to phloem
(c) Loading of sucrose into sieve elements by passive transport
(d) Providing energy to sieve elements for active transport
77. The cork cambium, cork and secondary cortex are collectively called
(a) Periderm
(b) Phelloderm
(c) Phellogen
(d) Phellem
78. Which of the following does not have stomata ?
(a) Submerged hydrophytes
(b) Mesophytes
(c) Hydrophytes
(d) None of these
79. The chief water conducting elements of xylem in gymnosperms are :
(a) Tracheids
(b) Fibres
(c) Transfusion tissue
(d) None of these
80. Which is correct about transport or conduction of substances?
(a) Organic food moves upwardly and downwardly through phloem
(b) Inorganic food moves upwardly and downwardly through xylem
(c) Organic food moves up through phloem
(d) Organic food moves up through phloem
81. A narrow layer of thin walled cells found between phloem/ bark and wood of a dicot is
(a) vascular cambium
(b) pericycle
(c) cork cambium
 (d) endodermis
82. which of the following statements is True?
(a) Tracheids are unicellular with wide lumen
(b) Vessels are unicellular with wide lumen.
(c) Tracheids are multicellular with narrow lumen
(d) Vessels are multicellular with narrow' lumen.
83. The quiescent centre in root meristem serves as a
(a) Reserve for replenishment of damaged cells of the meristem.
(b) Region for absorption of water
(c) Reservoir of growth hormones
(d) Site for storage of food which is utilized during maturation.
84. Root hair arises from
(a) Epiblema
(b) Endodermis
(c) Pericycle
(d) Cortex
85. Phellogen and phellem respectively denote
(a) Cork cambium and cork
(b) Cork and cork cambium
(c) Secondary cortex and cork
(d) Cork and secondary cortex
86. The common bottle cork is a product of
(a) Phellogen
(b) Vascular cambium
(c) Dermatogen
(d) Xylem
87. A vascular bundle in which the protoxylem is pointing to the periphery is c
(a) Exarch
(b) Closed
(c) Endarch
(d) Radial
88. Which of the following does not have stomata?
(a) Submerged hydrophytes
(b) Xerophytes
(c) Mesophytes
(d) Hydrophytes
89. Collenchyma differs from parenchyma in having
(a) Pectin deposits at corners
(b) Vacuoles
(c) Cellulose walls
(d) Living protoplasm
90. Epidermis is absent in
(a) Root tip and shoot tip
(b) Ovule and seed
 (c) Shoot bud and floral bud
(d) Petiole and pedicel
91. Which of the following layer is present nearest of plasma membrane in plant cell?
(a) Tonoplast
(b) Middle lamella
(c) Secondary wall
(d) Primary wall
92. in land plants, the guard cells differ from other epidermal cells in having
(a) Chloroplasts
(b) Mitochondria
(c) Cytoskeleton
(d) Endoplasmic reticulum
93. In endarch condition of xylem, protoxylem lies of metaxylem.
(a) On inner side
(b) On outer side
(c) Both on inner and outer side
(d) In centre
94. Y-shaped arrangement of xylem vessels is found in
(a) Monocot stem
(b) Monocot root
(c) Both
(d) None of these
95. Out of diffuse porous and ring porous woods, which is correct?
(a) Ring porous wood, carries more water for short period
(b) Diffuse porous wood carries more water
(c) Ring porous wood carries more water when need is higher
(d) Diffuse porous wood is less specialized but conducts water rapidly through out
96. Organization of stem apex into corpus and tunica is determined mainly by
(a) Planes of cell division
(b) Regions of meristematic activity
(c) Rate of cell growth
(d) Rate of shoot tip growth
97. For union between stock and scion in grafting which one is the first to occur?
(a) Formation of callus
(b) Production of plasmodesmata
(c) Differentiation of new' vascular tissues
(d) Regeneration of cortex and epidermis
98. Collenchyma occurs in the stem and petioles of
(a) Xerophytes
(b) Monocots
(c) Dicot herbs
(d) Hydrophytes
99. What is true about a monocot leaf?
(a) Reticulate venation
 (b) Absence of bulliform cells from epidermis
(c) Mesophyll not differentiated into palisade and spongy tissues
(d) Well differentiated mesophyll
100. Pericycle of roots produces
(a) Mechanical support
(b) Lateral roots
(c) Vascular bundles
(d) Adventitious buds
101. Vascular cambium produces
(a) Primary xylem and primary phloem
(b) Secondary xylem and secondary phloem
(c) Primary xylem and secondary phloem
(d) Secondary xylem and primary phloem
102. Where do the Casparian bands occur?
(a) Epidermis
(b) Endodermis
(c) Pericycle
(d) Phloem
103. An organized and differentiated cellular structure having cytoplasm but no
nucleus is
(a) Vessels
(b) Xylem parenchyma
(c) Sieve tubes
(d) Tracheids
104. Which exposed wood will decay faster?
(a) Sapwood
(b) Softwood
(c) Wood with lot of fibres
(d) Heartwood
105. Bordered pits are found in
(a) Sieve cells
(b) Vessel wall
(c) Companion cells
(d) Sieve tube wall
106. A narrow layer of thin walled cells found between phloem/bark and wood of a
dicot is
(a) Cork cambium
(b) Vascular cambium
(c) Endodermis
(d) Pericycle
107. Periderm is produced by
(a) Vascular cambium
(b) Fascicular cambium
(c) Phellogen
 (d) Intrafascicular cambium
108. As the secondary growth takes place (proceeds) in a tree, thickness of
(a) Heartwood increases
(b) Sapwood increases
(c) Both increase
(d) Both remain the same
109. Procambium forms
(a) Only primary vascular bundles
(b) Only vascular cambium
(c) Only cork cambium
(d) Primary vascular bundles and vascular cambium
110. What is not true about sclereids?
(a) These are parenchyma cells with thickened lignified walls
(b) These are elongated and flexible with tapered ends
(c) These are commonly found in the shells of nuts and in the pulp of guava, pear etc
(d) These are also called the stone cells
111. At maturity which of the following is enucleate?
(a) Sieve cell
(b) Companion cell
(c) Palisade cell
(d) Cortical cell
112. A leaf primordium grows into the adult leaf lamina by means of
(a) Apical meristem
(b) Lateral meristem
(c) Marginal meristem
(d) At first by apical meristem and later largely by marginal meristem
113. Which of the following meristems is responsible for extrastelar secondary growth
in dicotyledonous is
(a) Intrafascicular cambium
(b) Interfascicular cambium
(c) Intercalary meristem
(d) Phellogen
114. What happens during vascularization in plants?
(a) Differentiation of procambium is immediately followed by the development of
secondary xylem and phloem
(b) Differentiation of procambium followed by the development of xylem and phloem
(c) Differentiation of procambium, xylem and phloem is simultaneous
(d) Differentiation of procambium followed by the development of primary phloem and
then by primary xylem
115. Loading of phloem is related to
(a) Increase of sugar in phloem
(b) Elongation of phloem cell
(c) Separation of phloem parenchyma
(d) Strengthening of phloem fibre
116. Which of the following statements is true?
(a) Vessels are multicellular with narrow' lumen
(b) Tracheids are multicellular with narrow lumen
(c) Vessels are unicellular with wide lumen
(d) Tracheids are unicellular with wide lumen
117. Vessels are found in
(a) All angiosperms and some gymnosperms
(b) Most of angiosperms and few gymnosperms
(c) All angiosperms and few gymnosperms and some pteridophytes
(d) All pteridophytes
118. The apical meristem of the root is present
(a) In all the roots
(b) Only in radicals
(c) Only in tap roots
(d) Only in adventitious roots
119. In a longitudinal section of root, starting from the tip upward, the four zones occur
in the 3 following order
(a) Root cap. Cell division, cell enlargement, cell maturation
(b) Root cap, cell division, cell maturation, cell enlargement
(c) Cell division, cell enlargement, cell maturation, root cap
(d) Cell division, cell maturation, cell enlargement, root cap
120. In a woody dicotyledonous tree, which of the following parts will mainly consist
of primary tissues?
(a) All parts
(b) Stem and root
(c) Flowers, fruits and leaves
(d) Shoot tips and root tips
121. A common structural feature of vessel elements and sieve tube elements are
(a) Pores on lateral walls
(b) Presence of p-protein
(c) Enucleate condition
(d) Thick secondary walls
122. Passage cells are thin walled cells found in
(a) Endodermis of roots facilitating rapid transport of water from cortex to pericycle
(b) Phloem elements that serve as entry points for substances for transport to other plant
parts
(c) Testa of seeds to enable emergence of growing embryonic axis during seed
germination
(d) Central region of style through w'hich the pollen tube grows towards the ovary
123. The length of different internodes in a culm of sugarcane is variable because of
(a) Shoot apical meristem
(b) Position of axillary buds
(c) Size of leaf lamina at the node below' each internode
(d) Intercalary meristem
124. Anatomically fairly old dicotyledonous root is distinguished from the
dicotyledonous stem by:
(a) Presence of cortex
(b) Position of protoxylem
(c) Absence of secondary xylem
(d) Absence of secondary phloem
125. The annular and spirally thickened conducting elements generally develop in the
protoxylem when the root or stem is:
(a) Widening
(b) Differentiating
(c) Maturing
(d) Elongating
126. Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of:
(a) Epiphytes
(b) Hydrophytes
(c) Xerophytes
(d) Mesophytes
127. The chief water conducting elements of xylem in gymnosperms are
(a) Vessels
(b) Fibres
(c) Transfusion tissue
(d) Tracheids
128. Which one of the following is not a lateral meristem?
(a) Intrafascicular cambium
(b) Interfascicular cambium
(c) Phellogen
(d) Intercalary meristem
129. Heartwood differs from sapwood in
(a) Presence of rays and fibres
(b) Absence of vessels and parenchyma
(c) Having dead and non-conducting elements
(d) Being susceptible to pests and pathogens
130. Function of companion cells is
(a) Loading of sucrose into sieve elements.
(b) Providing energy to sieve elements for active transport.
(c) Providing water to phloem
(d) Loading of sucrose into sieve elements by passive transport.
131. Some vascular bundles are described as open because these
(a) Are not surrounded by pericycle
(b) Are surrounded by pericycle but no endodermis
(c) Are capable of producing secondary xylem and phloem.
(d) Possess conjunctive tissue between xylem and phloem.
132. The cork cambium, cork and secondary cortex are collectively called
(a) Phelloderm
(b) Phellogen
(c) Periderm
(d) Phellem