NEET MCQs Practice | Chapter 6 Anatomy Of Flowering Plants| Biology Class 11
Here You Get So Many MCQs Questions Based On NEET Of Class 11 Biology, Chapter 6, Anatomy Of Flowering Plants
If You Want To Read Our Quality Notes Of Chapter 6, Anatomy Of Flowering Plants, Click Here 🥰
- What is the focus of the chapter described in the text?
a) External features of animals
b) Internal structure and functional organisation of higher plants ✅
c) Photosynthesis in plants
d) Reproduction in animals
2. What is the basic unit of plants according to the text?
a) Tissue
b) Organ
c) Cell ✅
d) System
3. Cells in plants are organized into which of the following?
a) Organs
b) Tissues ✅
c) Systems
d) Molecules
4. What do tissues in plants combine to form?
a) Cells
b) Organs ✅
c) Ecosystems
d) Chloroplasts
5. Which group of plants shows noticeable anatomical differences according to the text?
a) Gymnosperms and bryophytes
b) Monocots and dicots ✅
c) Algae and fungi
d) Mosses and ferns
6. What does plant anatomy primarily study?
a) Plant reproduction
b) Plant internal structure ✅
c) Plant external features
d) Plant photosynthesis
7. How do internal structures of plants help them?
a) By producing flowers only
b) By adapting to environments and functioning effectively ✅
c) By increasing leaf size only
d) By storing water exclusively
8. Which of the following is true about plant organs?
a) All organs have the same internal structure
b) Each organ shows distinct internal structures ✅
c) Organs are made of systems
d) Organs do not have cells
9. Observing similarities and differences in organisms can be done in which structures?
a) Only internal structures
b) Only external structures
c) Both internal and external structures ✅
d) Only in reproductive structures
10. The internal structures of plants show variations based on:
a) Photosynthesis rate
b) Adaptation to various environments ✅
c) Age of the plant only
d) Type of soil only
11. What is formed after tissues in plants are organized?
a) Organs ✅
b) Cells
c) Chloroplasts
d) Roots only
12. Which of the following best describes plant anatomy?
a) Study of plant roots
b) Study of plant flowers
c) Study of internal structure and functional organisation of higher plants ✅
d) Study of photosynthesis in plants
13. Which of the following statements is correct?
a) Monocots and dicots have identical internal structures
b) Monocots and dicots show anatomical differences ✅
c) All plants have same organs
d) Plant anatomy ignores tissue structure
14. What is the relationship between cells, tissues, and organs in plants?
a) Cells → Organs → Tissues
b) Tissues → Cells → Organs
c) Cells → Tissues → Organs ✅
d) Organs → Tissues → Cells
15. According to the text, what is easy to notice when observing living organisms?
a) Cell organelles
b) Similarities and differences in external structures ✅
c) Photosynthesis rate
d) Chromosomes
16. What aspect of plants is highlighted as showing adaptations to their environment?
a) External color
b) Internal structures ✅
c) Flower shape only
d) Seed size
17. In plants, which level of organization comes directly after cells?
a) Organs
b) Systems
c) Tissues ✅
d) Organelles
18. Which of the following is NOT mentioned as a focus of this chapter?
a) Functional organisation of higher plants
b) Internal structure of plants
c) External features of plants ✅
d) Anatomical differences in angiosperms
19. Why are anatomical differences between monocots and dicots noticeable?
a) Because of differences in external leaf color
b) Because of differences in internal structure ✅
c) Because of differences in root length
d) Because of seed size only
20. What does the term “functional organisation” in plants refer to?
a) How plants perform different functions using their internal structures ✅
b) The arrangement of soil nutrients
c) The flowering pattern of plants
d) The color of leaves
21. According to the text, studying internal structures helps in understanding:
a) Photosynthesis only
b) Plant survival and effective functioning ✅
c) Animal anatomy
d) Seed germination
22. What can be inferred as the main advantage of internal adaptations in plants?
a) Helps in reproduction only
b) Helps in survival and functioning in habitat ✅
c) Helps in increasing leaf size only
23. Plant tissues are classified based on:
a) Only the types of cells
b) Location in the plant body
c) Both cell type and location ✅
d) Only the function of organs
24. How many main tissue systems are there in plants according to the text?
a) Two
b) Three ✅
c) Four
d) Five
25. Which of the following is NOT a main tissue system in plants?
a) Epidermal tissue system
b) Ground tissue system
c) Vascular tissue system
d) Floral tissue system ✅
26. What is the primary function of the epidermal tissue system?
a) Transport of water
b) Photosynthesis
c) Outer protective layer ✅
d) Storage of food
27. Which tissue system makes up most of the plant body and is involved in support, storage, and photosynthesis?
a) Epidermal tissue system
b) Ground or fundamental tissue system ✅
c) Vascular tissue system
d) Root hairs
28. The vascular tissue system is responsible for:
a) Absorbing water only
b) Photosynthesis
c) Transport of water, minerals, and nutrients ✅
d) Protection from herbivores
29. What are the main components of the epidermal tissue system?
a) Epidermal cells, stomata, trichomes/hairs ✅
b) Parenchyma, collenchyma, sclerenchyma
c) Xylem and phloem
d) Roots and leaves
30. The epidermis is usually:
a) Multi-layered
b) Single-layered ✅
c) Only in roots
d) Only in leaves
31. Epidermal cells are generally:
a) Round with thick cytoplasm
b) Elongated, compactly arranged with large central vacuole ✅
c) Small and loosely arranged
d) Multi-layered and branched
32. What covers the outer surface of the epidermis to prevent water loss?
a) Chloroplast
b) Cuticle ✅
c) Trichomes
d) Stomatal pore
33. Where is the cuticle absent?
a) Leaves
b) Stems
c) Roots ✅
d) Flowers
34. What is the function of stomata?
a) Store water
b) Control transpiration and gaseous exchange ✅
c) Transport minerals
d) Protect from herbivores
35. Each stoma is formed by:
a) Two round epidermal cells
b) Two bean-shaped guard cells surrounding a stomatal pore ✅
c) Root hairs
d) Trichomes
36. In grasses, guard cells are:
a) Bean-shaped
b) Dumbbell-shaped ✅
c) Round
d) Rectangular
37. Which part of guard cells helps in opening and closing the pore?
a) Thin outer walls and thick inner walls ✅
b) Chloroplasts only
c) Vacuoles only
d) Cytoplasm
38. What do guard cells contain to regulate stomatal movements?
a) Nucleus
b) Chloroplasts ✅
c) Cuticle
d) Root hairs
39. Specialized epidermal cells around guard cells are called:
a) Parenchyma
b) Subsidiary cells ✅
c) Trichomes
d) Xylem
40. Together, stomatal pore, guard cells, and subsidiary cells form:
a) Cuticle
b) Stomatal apparatus ✅
c) Trichome
d) Epidermis
41. Root hairs are:
a) Multicellular
b) Unicellular ✅
c) Dumbbell-shaped
d) Thick-walled
42. Function of root hairs is to:
a) Protect from herbivores
b) Absorb water and minerals from soil ✅
c) Perform photosynthesis
d) Reduce transpiration on leaves
43. Stem hairs are called:
a) Guard cells
b) Trichomes ✅
c) Root hairs
d) Cuticle
44. Trichomes are usually:
a) Unicellular
b) Multicellular ✅
c) Thin and non-functional
d) Only in roots
45. Trichomes help in:
a) Reducing water loss ✅
b) Increasing photosynthesis
c) Absorbing minerals
d) Transporting water
46. Trichomes can be:
a) Branched or unbranched, soft or stiff, sometimes secretory ✅
b) Only unicellular and soft
c) Only in roots
d) Only in flowers
47. Besides reducing water loss, trichomes also provide:
a) Transport of nutrients
b) Protection to the plant ✅
c) Photosynthesis
d) Seed formation
- Ground tissue in plants includes all tissues except:
a) Epidermis and vascular bundles ✅
b) Parenchyma, collenchyma, sclerenchyma
c) Mesophyll
d) Cambium - The main simple tissues forming ground tissue are:
a) Xylem and phloem
b) Parenchyma, collenchyma, sclerenchyma ✅
c) Guard cells and trichomes
d) Cambium only - Parenchyma cells are commonly found in:
a) Only leaves
b) Cortex, pericycle, pith, medullary rays ✅
c) Only vascular bundles
d) Epidermis only - In primary stems and roots, parenchyma cells provide:
a) Photosynthesis
b) Support and storage ✅
c) Transport of water
d) Protection from herbivores - In leaves, ground tissue specialized for photosynthesis is called:
a) Palisade mesophyll ✅
b) Collenchyma
c) Sclerenchyma
d) Phloem - Which of the following is true about vascular tissue in plants?
a) Made of simple tissues only
b) Made of complex tissues xylem and phloem ✅
c) Found only in roots
d) Does not provide support - In dicot stems, a special layer called _____ is located between xylem and phloem.
a) Epidermis
b) Cambium ✅
c) Parenchyma
d) Medullary rays - The presence of cambium in dicot stems allows the production of:
a) Primary xylem only
b) Secondary xylem and phloem ✅
c) Epidermal hairs
d) Only mesophyll - Vascular bundles in dicots are called:
a) Closed
b) Open ✅
c) Radial only
d) Conjoint only - Monocot stems are different from dicots because they:
a) Have cambium
b) Do not have cambium ✅
c) Produce secondary xylem and phloem
d) Have radial vascular bundles in stems - Vascular bundles in monocots are called:
a) Open
b) Closed ✅
c) Radial only
d) Conjoint only - When xylem and phloem are placed alternately along different radii, it is called:
a) Conjoint arrangement
b) Radial arrangement ✅
c) Collateral arrangement
d) Tangential arrangement - Radial vascular bundles are usually found in:
a) Stems
b) Roots ✅
c) Leaves
d) Trichomes - In a conjoint vascular bundle, xylem and phloem are:
a) Alternately placed along different radii
b) Together along the same radius ✅
c) Only in roots
d) Only in monocots - Conjoint vascular bundles are commonly found in:
a) Roots
b) Stems and leaves ✅
c) Trichomes
d) Medullary rays - In conjoint vascular bundles, phloem is generally located:
a) On the inner side of xylem
b) On the outer side of xylem ✅
c) Alternately along different radii
d) Randomly - Secondary growth in dicots is possible due to:
a) Presence of cambium ✅
b) Presence of trichomes
c) Closed vascular bundles
d) Epidermal hairs
65. Why is it helpful to examine transverse sections of roots, stems, and leaves?
a) To study only the epidermis
b) To see the organization and arrangement of tissues ✅
c) To measure the length of roots
d) To observe trichomes only
66. Which tissues can be observed clearly in mature transverse sections of plant organs?
a) Epidermis, ground tissue, and vascular tissue ✅
b) Only epidermis
c) Only xylem and phloem
d) Only trichomes and hairs
67. What is the outermost layer of a dicot root called?
a) Cortex
b) Epiblema ✅
c) Endodermis
d) Pericycle
68. What is the function of unicellular root hairs formed by epiblema cells?
a) Photosynthesis
b) Absorption of water and minerals ✅
c) Transport of nutrients
d) Protection only
69. The cortex in dicot roots is made up of:
a) Thick-walled sclerenchyma cells
b) Thin-walled parenchyma cells with intercellular spaces ✅
c) Vascular bundles
d) Epidermal hairs
70. The innermost layer of cortex is called:
a) Pericycle
b) Endodermis ✅
c) Epiblema
d) Pith
71. Endodermal cells are characterized by:
a) Thin walls with spaces
b) Barrel-shaped cells with suberin in walls ✅
c) Chloroplast-rich cells
d) Multicellular hairs
72. What are Casparian strips in endodermal cells?
a) Waxy, water-impermeable bands controlling water movement ✅
b) Chloroplasts for photosynthesis
c) Stomatal apparatus
d) Root hairs
73. Just inside the endodermis, a few layers of thick-walled parenchyma cells form:
a) Pith
b) Conjunctive tissue
c) Pericycle ✅
d) Xylem only
74. Pericycle plays an important role in:
a) Formation of lateral roots and vascular cambium ✅
b) Photosynthesis
c) Epidermal protection
d) Stomatal opening
75. The central part of the root is usually called:
a) Cortex
b) Pith ✅
c) Epidermis
d) Trichome
76. Between the xylem and phloem, the parenchyma cells form:
a) Conjunctive tissue ✅
b) Pericycle
c) Endodermis
d) Pith
77. How many patches of xylem and phloem are typically found in a dicot root?
a) 1–2
b) 2–4 ✅
c) 5–6
d) 6–8
78. All tissues located inside the endodermis, including pericycle, vascular bundles, and pith, together form:
a) Cortex
b) Epidermis
c) Stele ✅
d) Ground tissue
79. What is the main function of the stele in roots?
a) Protection
b) Photosynthesis
c) Transport and support ✅
d) Hair formation
80. Which tissues are present in both monocot and dicot roots?
a) Epidermis, cortex, endodermis, pericycle, vascular bundles, pith ✅
b) Only epidermis and cortex
c) Only xylem and phloem
d) Only pith and pericycle
81. How do monocot roots differ from dicot roots in terms of xylem bundles?
a) Monocots have fewer than six xylem bundles
b) Monocots usually have more than six xylem bundles (polyarch) ✅
c) Dicots have more than six xylem bundles
d) Both have the same number of xylem bundles
82. What is true about the pith in monocot roots?
a) Small and inconspicuous
b) Large and well-developed ✅
c) Absent
d) Only in vascular bundles
83. Why do monocot roots not thicken with age?
a) Because they lack cortex
b) Because they do not show secondary growth ✅
c) Because they have large pith
d) Because epidermis is thick
84. Which of the following is the outermost layer of a dicot stem?
a) Cortex
b) Epidermis ✅
c) Endodermis
d) Pericycle
85. What covers the epidermis of a dicot stem?
a) Thick cuticle
b) Thin cuticle ✅
c) Starch sheath
d) Medullary rays
86. What hair-like structures may be present on the epidermis of a dicot stem?
a) Trichomes ✅
b) Root hairs
c) Guard cells
d) Casparian strips
87. The cortex of a dicot stem is divided into how many sub-zones?
a) One
b) Two
c) Three ✅
d) Four
88. The outer hypodermis of the dicot stem cortex is made up of:
a) Parenchyma cells
b) Collenchyma cells ✅
c) Sclerenchyma cells
d) Xylem cells
89. What is the main function of the collenchyma cells in the hypodermis?
a) Photosynthesis
b) Mechanical support to the young stem ✅
c) Transport of nutrients
d) Formation of stomata
90. The cortical layers below the hypodermis consist of:
a) Rounded, thin-walled parenchyma cells with intercellular spaces ✅
b) Thick-walled sclerenchyma
c) Xylem and phloem
d) Guard cells and trichomes
91. The innermost layer of the cortex in dicot stems is called:
a) Hypodermis
b) Endodermis ✅
c) Pith
d) Pericycle
92. The endodermis in dicot stems is rich in:
a) Chloroplasts
b) Starch grains ✅
c) Cuticle
d) Casparian strips
93. What is another name for the endodermis in dicot stems due to its starch content?
a) Starch sheath ✅
b) Cuticle layer
c) Epidermal layer
d) Medullary rays
94. The pericycle in dicot stems is present as:
a) Continuous layer of collenchyma
b) Semi-lunar patches of sclerenchyma ✅
c) Thin-walled parenchyma cells
d) Only in the cortex
95. Medullary rays in dicot stems are made up of:
a) Xylem and phloem
b) Radially arranged parenchyma cells ✅
c) Collenchyma cells
d) Sclerenchyma fibers
96. Function of medullary rays in dicot stems:
a) Photosynthesis
b) Radial transport of water and nutrients ✅
c) Protect the stem
d) Form secondary xylem
97. How are vascular bundles arranged in dicot stems?
a) Scattered throughout the stem
b) In a ring ✅
c) Alternately along different radii
d) Only in the pith
98. What does “conjoint” mean regarding vascular bundles in dicot stems?
a) Xylem and phloem are separate
b) Xylem and phloem are together ✅
c) Only xylem is present
d) Only phloem is present
99. What type of vascular bundle is found in dicot stems?
a) Closed
b) Open ✅
c) Radial only
d) Polyarch
100. In dicot stems, the protoxylem is:
a) Exarch (towards periphery)
b) Endarch (towards center) ✅
c) Metaxylem only
d) Absent
101. The central portion of a dicot stem is called:
a) Cortex
b) Pith ✅
c) Hypodermis
d) Pericycle
102. The pith in dicot stems is made up of:
a) Collenchyma cells
b) Sclerenchyma fibers
c) Rounded parenchyma cells with large intercellular spaces ✅
d) Xylem only
103. The pith in dicot stems provides:
a) Photosynthesis
b) Storage and support ✅
c) Transport of nutrients
d) Epidermal protection
104. The hypodermis in monocot stems is made up of:
a) Parenchyma
b) Collenchyma
c) Sclerenchyma ✅
d) Xylem
105. Ground tissue in monocot stems is:
a) Small and compact
b) Large, loosely arranged parenchyma ✅
c) Only vascular bundles
d) Absent
106. How are vascular bundles arranged in monocot stems?
a) In a ring
b) Scattered throughout the ground tissue ✅
c) Only near the cortex
d) Only in the pith
107. Vascular bundles in monocot stems are:
a) Conjoint and open
b) Conjoint and closed ✅
c) Radial only
d) Polyarch only
108. Why are monocot vascular bundles called “closed”?
a) Because they have cambium
b) Because they lack cambium and cannot form secondary tissues ✅
c) Because xylem and phloem are separate
d) Because phloem parenchyma is present
109. How do peripheral and central vascular bundles in monocot stems differ?
a) Peripheral are larger, central smaller
b) Peripheral are smaller, central larger ✅
c) All bundles are same size
d) Only peripheral bundles are functional
110. Which of the following is absent in monocot vascular bundles?
a) Xylem
b) Phloem parenchyma ✅
c) Phloem
d) Xylem vessels
111. What special structures are present inside monocot vascular bundles for water storage?
a) Casparian strips
b) Water-containing cavities ✅
c) Medullary rays
d) Starch grains
112. What are the three main parts of a dorsiventral (dicot) leaf?
a) Epidermis, mesophyll, vascular system ✅
b) Cuticle, stomata, trichomes
c) Xylem, phloem, pericycle
d) Cortex, pith, epidermis
113. Which surfaces of the leaf are covered by epidermis?
a) Only upper surface
b) Only lower surface
c) Both upper (adaxial) and lower (abaxial) surfaces ✅
d) Only midrib
114. Which epidermis usually has more stomata in dicot leaves?
a) Adaxial
b) Abaxial ✅
c) Both have equal stomata
d) None
115. What is the main function of the cuticle in leaves?
a) Photosynthesis
b) Protection against water loss ✅
c) Gas exchange
d) Transport of nutrients
116. The tissue between the upper and lower epidermis is called:
a) Cortex
b) Pith
c) Mesophyll ✅
d) Pericycle
117. What type of cells make up the mesophyll?
a) Collenchyma
b) Parenchyma ✅
c) Sclerenchyma
d) Xylem
118. Which mesophyll cells are placed near the upper side (adaxial) of the leaf?
a) Spongy parenchyma
b) Palisade parenchyma ✅
c) Collenchyma
d) Endodermis
119. The palisade parenchyma cells are:
a) Oval and loosely arranged
b) Elongated and vertically parallel ✅
c) Round and tightly packed
d) Multicellular trichomes
120. What is the main function of palisade parenchyma?
a) Gas exchange
b) Maximum light absorption for photosynthesis ✅
c) Water storage
d) Mechanical support
121. Spongy parenchyma is located:
a) Near the upper epidermis
b) Below the palisade layer extending to the lower epidermis ✅
c) Only in midrib
d) Only in veins
122. What is the function of air spaces in spongy parenchyma?
a) Maximum light absorption
b) Gas exchange ✅
c) Mechanical support
d) Water absorption
123. Vascular bundles in dicot leaves are found in:
a) Lamina and midrib ✅
b) Only midrib
c) Only leaf margin
d) Epidermis
124. What surrounds each vascular bundle for protection and support?
a) Collenchyma
b) Bundle sheath cells ✅
c) Trichomes
d) Spongy mesophyll
125. In a vascular bundle of a dicot leaf, the xylem is generally located:
a) Towards the lower side ✅
b) Towards the upper side ✅ (actually adaxial, correction: upper side)
c) Surrounded by phloem
d) Randomly
126. The phloem in a dicot leaf vascular bundle is located:
a) Towards the lower side ✅
b) Towards the upper side
c) In between xylem and pith
d) Absent
127. How are stomata distributed in monocot (isobilateral) leaves?
a) Only on the upper (adaxial) surface
b) Only on the lower (abaxial) surface
c) On both upper and lower surfaces ✅
d) Absent
128. How does stomatal distribution in monocot leaves differ from dicot leaves?
a) Both have stomata only on lower surface
b) Monocots have stomata on both surfaces, dicots mostly on lower surface ✅
c) Dicots have stomata on both surfaces
d) Both lack stomata
129. How is the mesophyll in monocot leaves different from dicot leaves?
a) Divided into palisade and spongy parenchyma
b) Uniform parenchyma cells throughout ✅
c) Only spongy parenchyma
d) Only palisade parenchyma
130. What are bulliform cells?
a) Small chloroplast-rich cells in mesophyll
b) Large, empty, colourless cells in adaxial epidermis along veins ✅
c) Xylem vessels
d) Phloem cells
131. What is the function of bulliform cells?
a) Photosynthesis
b) Water conservation by leaf folding and unfolding ✅
c) Gas exchange
d) Transport of nutrients
132. What happens to the monocot leaf when bulliform cells are turgid?
a) Leaf curls inward
b) Leaf remains open ✅
c) Leaf dies
d) Leaf turns brown
133. What happens to the monocot leaf when bulliform cells are flaccid?
a) Leaf remains open
b) Leaf curls inward ✅
c) Leaf elongates
d) Leaf photosynthesizes more
134. What type of venation is seen in monocot leaves?
a) Reticulate venation
b) Parallel venation ✅
c) Net-like venation
d) Radial venation
135. How are vascular bundles arranged in monocot leaves?
a) Conjoint and scattered throughout the leaf ✅
b) In a ring only
c) Radially in veins
d) Only near midrib
136. How do the sizes of vascular bundles vary in monocot leaves?
a) All bundles are very different in size
b) Generally similar throughout, except main veins where bundles may be larger ✅
c) Peripheral bundles always larger
d) Central bundles always smaller
137. What is the main function of vascular bundle arrangement in monocot leaves?
a) Reduce leaf thickness
b) Efficient transport of water and nutrients ✅
c) Mechanical support only
d) Photosynthesis
138. How are plant tissues broadly classified?
a) Simple and complex
b) Meristematic and permanent ✅
c) Xylem and phloem
d) Cortex and pith
139. Which type of tissues is responsible for growth in plants?
a) Permanent tissues
b) Meristematic tissues ✅
c) Collenchyma
d) Parenchyma
140. What are the types of meristematic tissues?
a) Apical, lateral, and intercalary ✅
b) Palisade and spongy
c) Collenchyma and sclerenchyma
d) Xylem and phloem
141. Which meristem is responsible for primary growth at the tips of roots and shoots?
a) Lateral meristem
b) Intercalary meristem
c) Apical meristem ✅
d) Cambium
142. Lateral meristems are responsible for:
a) Secondary growth (increase in thickness) ✅
b) Primary growth
c) Photosynthesis
d) Water absorption
143. Intercalary meristems are usually found in:
a) Leaf tips
b) Nodes and internodes of grasses ✅
c) Roots only
d) Stem pith
144. Permanent tissues are classified into:
a) Simple and complex ✅
b) Apical and lateral
c) Epidermis and cortex
d) Endodermis and pericycle
145. Which of the following are simple permanent tissues?
a) Xylem and phloem
b) Parenchyma, collenchyma, sclerenchyma ✅
c) Apical and lateral meristems
d) Cortex and pith
146. Which of the following are complex permanent tissues?
a) Parenchyma, collenchyma, sclerenchyma
b) Xylem and phloem ✅
c) Epidermis and cortex
d) Apical and intercalary meristems
147. Functions of permanent tissues include:
a) Growth only
b) Food assimilation and storage, transport of water, minerals, photosynthates, and mechanical support ✅
c) Only transport of water
d) Only protection
148. How many main tissue systems are plants organized into?
a) Two
b) Three ✅
c) Four
d) Five
149. Which tissue system forms the outer protective layer of the plant?
a) Ground tissue system
b) Vascular tissue system
c) Epidermal tissue system ✅
d) Parenchyma
150. What are the components of the epidermal tissue system?
a) Cortex, pericycle, pith
b) Xylem and phloem
c) Epidermal cells, stomata, and epidermal appendages ✅
d) Collenchyma and sclerenchyma
151. Which tissue system makes up the bulk of the plant?
a) Epidermal tissue system
b) Ground tissue system ✅
c) Vascular tissue system
d) Meristematic tissue
152. What are the three zones of the ground tissue system?
a) Epidermis, mesophyll, vascular bundle
b) Cortex, pericycle, pith ✅
c) Palisade, spongy, bundle sheath
d) Xylem, phloem, cambium
153. Functions of the ground tissue system include:
a) Transport of water only
b) Storage, support, and metabolic functions ✅
c) Only mechanical support
d) Epidermal protection
154. Which tissue system is responsible for transporting water, minerals, and food in plants?
a) Epidermal tissue system
b) Ground tissue system
c) Vascular tissue system ✅
d) Meristematic tissue
155. The vascular tissue system is formed by:
a) Cortex and pith
b) Xylem and phloem ✅
c) Epidermis and stomata
d) Collenchyma and sclerenchyma
156. What factors cause variation in vascular bundle structure and arrangement?
a) Presence of cambium and position of xylem and phloem ✅
b) Size of leaves only
c) Root hairs only
d) Type of stomata
157. Which plants show noticeable differences in vascular bundles?
a) Ferns and algae
b) Monocotyledonous and dicotyledonous plants ✅
c) Gymnosperms only
d) Bryophytes only
158. Vascular bundles differ in which of the following aspects?
a) Type, number, and location ✅
b) Only number
c) Only type
d) Only thickness of epidermis
159. In which plants does secondary growth usually occur?
a) Monocotyledons
b) Dicotyledons ✅
c) Both monocots and dicots
d) Only in leaves
160. What is the main result of secondary growth in roots and stems?
a) Increase in length
b) Increase in thickness ✅
c) Production of flowers
d) Formation of stomata
161. Secondary growth is generally absent in:
a) Dicotyledons
b) Monocotyledons ✅
c) Gymnosperms
d) All vascular plants
162. What is the outermost layer of dicot roots called?
a) Epidermis
b) Epiblema ✅
c) Cortex
d) Endodermis
163. Root hairs are extensions of which tissue?
a) Cortex
b) Epiblema (epidermis) ✅
c) Pericycle
d) Endodermis
164. Which layer of the root cortex contains starch grains and is called the starch sheath?
a) Epiblema
b) Endodermis ✅
c) Pericycle
d) Pith
165. Casparian strips are found in:
a) Epidermis
b) Endodermis ✅
c) Cortex
d) Xylem
166. Which root tissue forms lateral roots?
a) Epiblema
b) Cortex
c) Pericycle ✅
d) Pith
167. In dicot roots, vascular bundles are arranged in:
a) Polyarch
b) Diarch, triarch, or tetrarch ✅
c) Scattered
d) Conjoint
168. Monocot roots usually have how many xylem bundles?
a) 2–4
b) More than six (polyarch) ✅
c) Single
d) Four only
169. Which type of growth is absent in monocot roots?
a) Primary growth
b) Secondary growth ✅
c) Lateral growth
d) Apical growth
170. In dicot stems, the outermost protective layer is:
a) Cortex
b) Epidermis ✅
c) Collenchyma
d) Pith
171. Hypodermis of young dicot stems is made up of:
a) Parenchyma
b) Collenchyma ✅
c) Sclerenchyma
d) Xylem
172. Cortex in dicot stems is divided into:
a) Hypodermis, cortical layers, endodermis ✅
b) Palisade, spongy, bundle sheath
c) Xylem, phloem, cambium
d) Medullary rays only
173. Endodermis in dicot stems is rich in:
a) Starch grains ✅
b) Chloroplasts
c) Lignin
d) Cuticle
174. Pericycle in dicot stems occurs as:
a) Continuous ring
b) Semi-lunar patches of sclerenchyma ✅
c) Xylem
d) Phloem
175. Medullary rays in stems help in:
a) Vertical transport
b) Radial transport ✅
c) Mechanical support only
d) Photosynthesis
176. Vascular bundles in dicot stems are:
a) Conjoint, open, and arranged in a ring ✅
b) Conjoint, closed, and scattered
c) Radial
d) Polyarch
177. Vascular bundles in monocot stems are:
a) Conjoint and scattered ✅
b) Conjoint and arranged in a ring
c) Open
d) Radial
178. Monocot stem vascular bundles are:
a) Open
b) Closed (no cambium) ✅
c) Endarch
d) Radial
179. Phloem parenchyma is absent in:
a) Dicot stems
b) Monocot stems ✅
c) Dicot roots
d) Monocot roots
180. In dicot stems, protoxylem is:
a) Endarch ✅
b) Exarch
c) Centrarch
d) Absent
181. Central portion of dicot stem is:
a) Cortex
b) Pith ✅
c) Medullary rays
d) Epidermis
182. Peripheral and central vascular bundles in monocot stems differ in:
a) Type
b) Size (peripheral smaller, central larger) ✅
c) Arrangement
d) Phloem content
183. Xylem conducts:
a) Food only
b) Water and minerals ✅
c) Gases
d) Photosynthates
184. Phloem conducts:
a) Water
b) Food (photosynthates) ✅
c) Minerals
d) Starch
185. Dicot leaves are:
a) Isobilateral
b) Dorsiventral ✅
c) Unifacial
d) Parallel
186. Monocot leaves are:
a) Dorsiventral
b) Isobilateral ✅
c) Reticulate
d) Unifacial
187. Palisade parenchyma is found:
a) Near upper epidermis ✅
b) Near lower epidermis
c) Only in veins
d) Throughout leaf
188. Spongy parenchyma in dicot leaves helps in:
a) Mechanical support
b) Gas exchange ✅
c) Water transport
d) Storage
189. In monocot leaves, mesophyll is:
a) Divided into palisade and spongy
b) Uniform parenchyma throughout ✅
c) Only palisade
d) Only spongy
190. Bulliform cells in monocot leaves help in:
a) Photosynthesis
b) Water conservation ✅
c) Transport of food
d) Mechanical support
191. Secondary growth leads to:
a) Increase in length
b) Increase in thickness ✅
c) Production of trichomes
d) Photosynthesis
192. Cambium is absent in:
a) Dicot stems
b) Monocot stems ✅
c) Dicot roots
d) All vascular plants
193. Secondary growth is common in:
a) Dicot roots and stems ✅
b) Monocot roots and stems
c) Leaves only
d) Epidermis only
194. Casparian strips are found in:
a) Epidermis
b) Endodermis ✅
c) Cortex
d) Phloem
195. Pericycle contributes to:
a) Lateral root formation and cambium development ✅
b) Photosynthesis
c) Epidermal protection
d) Storage
196. Dicot roots usually have:
a) Polyarch
b) Diarch, triarch, or tetrarch ✅
c) Closed bundles
d) Scattered
197. Monocot roots are usually:
a) Polyarch ✅
b) Diarch
c) Closed
d) Open
198. The central region of monocot roots is:
a) Small pith
b) Large, well-developed pith ✅
c) Absent
d) Only xylem
199. Vascular bundles differ in:
a) Number, type, and arrangement ✅
b) Only type
c) Only number
d) Only location
200. Secondary growth is absent in:
a) Dicot roots
b) Monocot roots ✅
c) Dicot stems
d) Leaves
