1000+ Anatomy of flowering plant MCQ for SSC CGL [Solved]
Thursday 9th of March 2023
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1. Which of the following is responsible for the formation of an embryonic shoot called axillary bud?
A. Lateral meristem
B. Apical meristem
C. Intercalary meristem
D. Both
Answer : C
A. Lateral meristem
B. Apical meristem
C. Intercalary meristem
D. Both
Answer : C
2. Which of the following statement(s) is/are not correct?
A. (iii) and (iv)
B. (i) and (ii)
C. (ii) and (iii)
D. (ii) and (iv)
Answer : A
- Cork cambium is also called phellogen.
- Cork is also called phellem.
- Secondary cortex is also called periderm.
- Cork cambium, cork and secondary cortex are collectively called phelloderm.
A. (iii) and (iv)
B. (i) and (ii)
C. (ii) and (iii)
D. (ii) and (iv)
Answer : A
3. Which of the following statements is correct?
A. Lenticels occur in most woody trees.
B. Sclerenchymatous cells are usually present in cortex.
C. The vascular tissue system is divided into three main zones- cortex, pericycle and pith.
D. The conjoint vascular bundles usually have the xylem located only on the outer side of the phloem.
Answer : A
A. Lenticels occur in most woody trees.
B. Sclerenchymatous cells are usually present in cortex.
C. The vascular tissue system is divided into three main zones- cortex, pericycle and pith.
D. The conjoint vascular bundles usually have the xylem located only on the outer side of the phloem.
Answer : A
4. A piece of wood having no vessels (trachea) must be belonged to
A. teak
B. mango
C. pine
D. palm
Answer : C
A. teak
B. mango
C. pine
D. palm
Answer : C
5. Match column-I with column-II and choose the correct option.
Which of the following combination is correct ?
A. A II, IV, VII, VIII; B I, III, V, VI
B. A I, II, VII, VIII; B III, IV, V, VI
C. A I, III, V, VI; B II, IV, VII, VIII
D. A I, III, VII, VIII; B II, IV, V, VI
Answer : C
| A. Spring wood or | I. Lighter in colour early wood |
|---|---|
| B. Autumn wood or | II. High density late wood |
| .. | III. Low density |
| .. | IV. Darker in colour |
| .. | V. Larger number of xylem elements |
| .. | VI. Vessels with wider cavity |
| .. | VII. Lesser number of xylem elements |
| .. | VIII. Vessels with small cavity |
Which of the following combination is correct ?
A. A II, IV, VII, VIII; B I, III, V, VI
B. A I, II, VII, VIII; B III, IV, V, VI
C. A I, III, V, VI; B II, IV, VII, VIII
D. A I, III, VII, VIII; B II, IV, V, VI
Answer : C
6. Identify the types of simple tissue indicated by A, B, C and D and their function.
A. A Parenchyma, Photosynthesis, Storage and Secretion.
B. B Sclerenchyma Scleriods; Transport food material
C. C Collenchyma; Provides mechanical support to organs.
D. D Sclerenchyma Fibres; Provide Mechanical support to the growing parts of the plant such as young stem and petiole of a leaf.
Answer : A
A. A Parenchyma, Photosynthesis, Storage and Secretion.
B. B Sclerenchyma Scleriods; Transport food material
C. C Collenchyma; Provides mechanical support to organs.
D. D Sclerenchyma Fibres; Provide Mechanical support to the growing parts of the plant such as young stem and petiole of a leaf.
Answer : A
7. Match column-I with column-II and choose the correct option.
A. A III, B V, C IV, D I, E II
B. A II, B V, C I, D III, E IV
C. A II, B IV, C I, D III, E V
D. A III, B I, C V, D II, E IV
Answer : D
| Column -I | Column -II |
|---|---|
| A. Bulliform cells | I. Initiation of lateral roots |
| B. Pericycle | II. Root |
| C. Endarch xylem | III. Grasses |
| D. Exarch xylem | IV. Dicot leaf |
| E. Bundle sheath cells | V. Stem |
A. A III, B V, C IV, D I, E II
B. A II, B V, C I, D III, E IV
C. A II, B IV, C I, D III, E V
D. A III, B I, C V, D II, E IV
Answer : D
8. Gymnosperms are also called soft wood spermatophytes because they lack
A. cambium
B. phloem fibres
C. thick-walled tracheids
D. xylem fibres
Answer : D
A. cambium
B. phloem fibres
C. thick-walled tracheids
D. xylem fibres
Answer : D
9. Tissues are classified into two main groups, namely meristematic and permanent tissues on the basis of
A. whether the cells being able to divide or not.
B. position of the cells.
C. whether they are living or dead.
D. none of the above
Answer : A
A. whether the cells being able to divide or not.
B. position of the cells.
C. whether they are living or dead.
D. none of the above
Answer : A
10. Main function of lenticel is
A. transpiration
B. guttation
C. gaseous exchange
D. both (a) & (c)
Answer : A
A. transpiration
B. guttation
C. gaseous exchange
D. both (a) & (c)
Answer : A
11. Which of the following figure is a type of permanent tissue having many different types of cell?
A.
B.
C.
D.
Answer : C
A.
B.
C.
D.
Answer : C
12. Match the followings and choose the correct option
A. A III, B IV, C I, D II
B. A I, B II, C III, D IV
C. A III, B II, C IV, D I
D. A III, B II, C I, D IV
Answer : A
| Column-I | Column-II |
|---|---|
| A. Cuticle | I. Guard cells |
| B. Bulliform cells | II. Outer layer |
| C. Stomata | III. Waxy layer |
| D. Epidermis | IV. Empty colourless cell |
A. A III, B IV, C I, D II
B. A I, B II, C III, D IV
C. A III, B II, C IV, D I
D. A III, B II, C I, D IV
Answer : A
13. The trees growing in desert will
A. show alternate rings of xylem and sclerenchyma.
B. have only conjunctive tissue and phloem is formed by the activity of cambium.
C. show distinct annual rings.
D. not show distinct annual rings.
Answer : D
A. show alternate rings of xylem and sclerenchyma.
B. have only conjunctive tissue and phloem is formed by the activity of cambium.
C. show distinct annual rings.
D. not show distinct annual rings.
Answer : D
14. T.S. of dicot stem is given below, certain parts have been marked by alphabets (A I). Choose the option which shows their correct labelling.
A. A Epidermis, B Epidermal hair, C Parenchyma, D Starch sheath, E Hypodermis (collenchyma), F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
B. A Epidermal hair, B Epidermis, C Hypodermis (collenchyma), D Parenchyma, E Endoderm is (Starch Sheath), F Pericycle, G Vascular bundle, H Medullary rays, I Medulla or pith
C. A Epidermal hair, B Epidermis, C Hypodermis (collenchyma), D Starch sheath, E Parenchyma, F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
D. A Epidermal hair, B Epidermis, C Parenchyma, D Hypodermis (collenchyma), E Starch sheath, F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
Answer : B
A. A Epidermis, B Epidermal hair, C Parenchyma, D Starch sheath, E Hypodermis (collenchyma), F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
B. A Epidermal hair, B Epidermis, C Hypodermis (collenchyma), D Parenchyma, E Endoderm is (Starch Sheath), F Pericycle, G Vascular bundle, H Medullary rays, I Medulla or pith
C. A Epidermal hair, B Epidermis, C Hypodermis (collenchyma), D Starch sheath, E Parenchyma, F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
D. A Epidermal hair, B Epidermis, C Parenchyma, D Hypodermis (collenchyma), E Starch sheath, F Vascular bundle, G Bundle cap, H Medulla or pith, I Medullary rays
Answer : B
15. Tissue(s) present in an annual ring is/are
A. secondary xylem and phloem.
B. primary xylem and phloem.
C. secondary xylem only.
D. primary phloem and secondary xylem.
Answer : C
A. secondary xylem and phloem.
B. primary xylem and phloem.
C. secondary xylem only.
D. primary phloem and secondary xylem.
Answer : C
16. Which one of the following statement is incorrect ?
A. Only (i)
B. Only (iv)
C. Only (iii)
D. Only (v)
Answer : D
- Epidermal cell has small amount of cytoplasm and a large vacuole.
- Waxy cuticle layer is absent in roots.
- Root hairs are unicellular, while stem hairs / trichomes are multicellular.
- Trichomes may be branched or unbranched, soft or stiff and prevent transpiration.
- Guard cells are dumbell shaped in dicots and beanshaped in monocots (e.g. grass).
A. Only (i)
B. Only (iv)
C. Only (iii)
D. Only (v)
Answer : D
17. Which meristem helps in increasing girth?
A. Lateral meristem
B. Intercalary meristem
C. Primary meristem
D. Apical meristem
Answer : A
A. Lateral meristem
B. Intercalary meristem
C. Primary meristem
D. Apical meristem
Answer : A
18. Apical, intercalary and lateral meristems are differentiated on the basis of
A. origin
B. function
C. position
D. development
Answer : C
A. origin
B. function
C. position
D. development
Answer : C
19. Lignin is the important constituent in the cell wall of
A. phloem
B. parenchyma
C. xylem
D. cambium
Answer : C
A. phloem
B. parenchyma
C. xylem
D. cambium
Answer : C
20. Choose the correct labelling of (A J) in the given figure of T.S. of monocot root.
A. A Root hair, B Epiblema, C Cortex, D Endodermis, E Passage cell, F Pericycle, G Pith, H Phloem, I Metaxylem.
B. A Root hair, B Epiblema, C Cortex, D Endodermis, E Passage cell, F Pith, G Pericycle, H Metaxylem, I Phloem.
C. A Root hair, B Epiblema, C Cortex, D Endodermis, E Pericycle, F Phloem, G Protoxylem, I Metaxylem
D. A Root hair, B Cortex, C Epiblema, D Pericycle, E Endodermis, F Pith, G Phloem, H Protoxylem, I Metaxylem
Answer : C
A. A Root hair, B Epiblema, C Cortex, D Endodermis, E Passage cell, F Pericycle, G Pith, H Phloem, I Metaxylem.
B. A Root hair, B Epiblema, C Cortex, D Endodermis, E Passage cell, F Pith, G Pericycle, H Metaxylem, I Phloem.
C. A Root hair, B Epiblema, C Cortex, D Endodermis, E Pericycle, F Phloem, G Protoxylem, I Metaxylem
D. A Root hair, B Cortex, C Epiblema, D Pericycle, E Endodermis, F Pith, G Phloem, H Protoxylem, I Metaxylem
Answer : C
21. A vascular bundle in which the protoxylem is pointing to the periphery is called __________.
A. endarch
B. exarch
C. radial
D. closed
Answer : B
A. endarch
B. exarch
C. radial
D. closed
Answer : B
22. Match column-I with column-II and select the correct option from the codes given below.
A. A IV, B I, C II, D III
B. A III, B II, C I, D IV
C. A I, B II, C III, D IV
D. A IV, B II, C I, D III
Answer : A
| Column-I | Column-II |
|---|---|
| A. Stele | I. Innermost layer of cortex |
| B. Endodermis | II. Suberin |
| C. Casparian strips | III. All the tissues exterior to vascular cambium |
| D. Bark | IV. All the tissues inner to endodermis |
A. A IV, B I, C II, D III
B. A III, B II, C I, D IV
C. A I, B II, C III, D IV
D. A IV, B II, C I, D III
Answer : A
23. Various functions like photosynthesis, storage, excretion performed by _____________.
A. sclerenchyma
B. parenchyma
C. collenchyma
D. aerenchyma
Answer : B
A. sclerenchyma
B. parenchyma
C. collenchyma
D. aerenchyma
Answer : B
24. Match the terms given in column I with their features given in column II and choose the correct option.
A. A - (i), B - (ii), C - (iii), D - (iv), E - (v)
B. A - (iii), B - (v), C - (ii), D - (iv), E - (i)
C. A - (iii), B - (i), C - (v), D - (ii), E - (iv)
D. A - (v), B - (iv), C - (iii), D - (i), E - (ii)
Answer : B
| Column-I | Column-II |
|---|---|
| (Terms) | (Features) |
| A. Fibres | (i) Cells are living and thin walled with cellulosic cell wall, store food materials in the form of starch or fat |
| B. Sclereids | (ii) Main water conductive cells of the pteridophytes and the gymnosperms |
| C. Tracheids | (iii) Thick walled, elongated and pointed cells, generally occurring in groups |
| D. Vessels | (iv) Long cylindrical tube like structure and cells are devoid of protoplasm. Characteristic feature of angiosperms |
| E. Xylem parenchyma | (v) Reduced form of sclerenchyma cells with highly thickened lignified cellular walls that form small bundles of durable layers of tissue in most plants. |
A. A - (i), B - (ii), C - (iii), D - (iv), E - (v)
B. A - (iii), B - (v), C - (ii), D - (iv), E - (i)
C. A - (iii), B - (i), C - (v), D - (ii), E - (iv)
D. A - (v), B - (iv), C - (iii), D - (i), E - (ii)
Answer : B
25. Match the names of the structures given in column-I with the functions given in column-II, choose the answer which gives the correct combination of the two columns :
A. A V, B III, C I, D IV
B. A I, B IV, C V, D III
C. A II, B IV, C I, D III
D. A IV, B I, C III, D V
Answer : D
| Column-I | Column-II |
|---|---|
| (Structure) | (Function) |
| A. Stomata | I. Protection of stem |
| B. Bark | II. Plant movement |
| C. Cambium | III. Secondary growth |
| D. Cuticle | IV. Transpiration |
| V. Prevent the loss of water | ... |
A. A V, B III, C I, D IV
B. A I, B IV, C V, D III
C. A II, B IV, C I, D III
D. A IV, B I, C III, D V
Answer : D
26. Identify types of vascular bundles in given figures A, B and C.
A. Radial; Conjoint closed; Conjoint open
B. Conjoint closed; Conjoint open; Radial
C. Conjoint open; Conjoint closed; Radial
D. Bicollateral; Concentric; Radial
Answer : A
A. Radial; Conjoint closed; Conjoint open
B. Conjoint closed; Conjoint open; Radial
C. Conjoint open; Conjoint closed; Radial
D. Bicollateral; Concentric; Radial
Answer : A
27. The given figures are types of elements (A and B) which constitute one type of complex tissue (c) of a plant . Identify A, B and C.
A. A Tracheid, B Vessel, C Xylem
B. A Vessel, B Tracheild, C Phloem
C. A Fibre, B Tracheid, C Bark
D. A Fibre, B Sclereid, Casparian strips
Answer : A
A. A Tracheid, B Vessel, C Xylem
B. A Vessel, B Tracheild, C Phloem
C. A Fibre, B Tracheid, C Bark
D. A Fibre, B Sclereid, Casparian strips
Answer : A
28. The length of different internodes in a culm of sugarcane is variable because of
A. size of leaf lamina at the node below each internode
B. intercalary meristem
C. shoot apical meristem
D. position of axillary buds
Answer : B
A. size of leaf lamina at the node below each internode
B. intercalary meristem
C. shoot apical meristem
D. position of axillary buds
Answer : B
29. Read the following statements and answer the question.
Which plant anatomy is being described by the above statements?
A. Dicotyledonous root
B. Monocotyledonous root
C. Dicotyledonous stem
D. Monocotyledonous stem
Answer : D
- It has a sclerenchymatous hypodermis, a large number of scattered vascular bundles and a large parenchymatous ground tissue.
- Vascular bundles are conjoint and closed.
- Peripheral vascular bundles are generally smaller than the centrally located ones.
- Phloem parenchyma is absent, and water- containing cavities are present within the vascular bundles.
Which plant anatomy is being described by the above statements?
A. Dicotyledonous root
B. Monocotyledonous root
C. Dicotyledonous stem
D. Monocotyledonous stem
Answer : D
30. Which of the following statement(s) is/are correct ?
A. (i) and (iv) only
B. (ii) and (v) only
C. (iii) and (iv) only
D. (ii), (iii) and (v) only
Answer : D
- Uneven thickening of cell wall is characteristic of sclerenchyma.
- Periblem forms cortex of the stem and the root.
- Tracheids are the chief water transporting elements in gymnosperms.
- Companion cell is devoid of nucleus at maturity.
- The commercial cork is obtained from Quercus suber.
A. (i) and (iv) only
B. (ii) and (v) only
C. (iii) and (iv) only
D. (ii), (iii) and (v) only
Answer : D
31. Bast fibres are made up of _____________cells.
A. sclerenchymatous
B. chlorenchymatous
C. parenchymatous
D. aerenchymatous
Answer : A
A. sclerenchymatous
B. chlorenchymatous
C. parenchymatous
D. aerenchymatous
Answer : A
32. Trees at sea do not have annual rings because
A. soil is sandy.
B. there is climatic variation.
C. there is no marked climatic variation.
D. there is enough moisture in the atmosphere.
Answer : C
A. soil is sandy.
B. there is climatic variation.
C. there is no marked climatic variation.
D. there is enough moisture in the atmosphere.
Answer : C
33. In land plants, the guard cells differ from other epidermal cells in having
A. cytoskeleton.
B. mitochondria.
C. endoplasmic reticulum.
D. chloroplasts.
Answer : D
A. cytoskeleton.
B. mitochondria.
C. endoplasmic reticulum.
D. chloroplasts.
Answer : D
34. One of the primary function of the ground tissue in a plant is
A. photosynthesis.
B. to protect the plant.
C. to anchor the plant.
D. water and sugar conduction.
Answer : A
A. photosynthesis.
B. to protect the plant.
C. to anchor the plant.
D. water and sugar conduction.
Answer : A
35. The given figure shows the T.S of dicot root. Some parts are marked as A, B, C, D, E, & F. Choose the option which shows the correct labelling of marked part.
A. A Epiblema, B Root hair, C Cortex, D Endodermis, E Pith, F Pericycle
B. A Cortex, B Pith, C Epiblema, D Endodermis, E Root hair, F Pericycle
C. A Epiblema, B Endodermis, C Cortex, D Root hair, E Pith, F Pericycle
D. A Cortex, B Epiblema, C Pith, D Endodermis, E Root hair, F Pericycle
Answer : D
A. A Epiblema, B Root hair, C Cortex, D Endodermis, E Pith, F Pericycle
B. A Cortex, B Pith, C Epiblema, D Endodermis, E Root hair, F Pericycle
C. A Epiblema, B Endodermis, C Cortex, D Root hair, E Pith, F Pericycle
D. A Cortex, B Epiblema, C Pith, D Endodermis, E Root hair, F Pericycle
Answer : D
36. 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.
Answer : A
A. in all the roots.
B. only in radicals.
C. only in tap roots.
D. only in adventitious roots.
Answer : A
37. Read the following statements and answer the question.
Which type of wood is described by the above statements?
A. Sap wood
B. Heart wood
C. Spring wood
D. Autumn wood
Answer : C
- Cambium is very active and produces a large number of xylary elements having vessels with wider cavities.
- It is also called early wood.
- It is lighter in colour and has lower density.
Which type of wood is described by the above statements?
A. Sap wood
B. Heart wood
C. Spring wood
D. Autumn wood
Answer : C
38. The vessel elements of angiosperms differ from other elements of xylem in having
A. simple pits on their radial walls.
B. bordered pits on their lateral walls.
C. simple and bordered pits on their end walls.
D. simple perforation on their end walls.
Answer : D
A. simple pits on their radial walls.
B. bordered pits on their lateral walls.
C. simple and bordered pits on their end walls.
D. simple perforation on their end walls.
Answer : D
39. In an experiment, a student cut a transverse section of young stem of a plant which he has taken from his school garden.
After observing it under the microscope how would he ascertain whether it is a monocot stem or a dicot stem?
A. With the help of bulliform cells.
B. With the help of casparian strips.
C. With the help of vascular bundles.
D. With the help of stomatal apparatus.
Answer : C
After observing it under the microscope how would he ascertain whether it is a monocot stem or a dicot stem?
A. With the help of bulliform cells.
B. With the help of casparian strips.
C. With the help of vascular bundles.
D. With the help of stomatal apparatus.
Answer : C
40. Some vascular bundles are described as open because these
A. are surrounded by pericycle but not endodermis.
B. are capable of producing secondary xylem and phloem.
C. possess conjunctive tissue between xylem and phloem.
D. are not surrounded by pericycle.
Answer : B
A. are surrounded by pericycle but not endodermis.
B. are capable of producing secondary xylem and phloem.
C. possess conjunctive tissue between xylem and phloem.
D. are not surrounded by pericycle.
Answer : B
41. Cork is formed from
A. phellogen
B. vascular cambium
C. phloem
D. xylem
Answer : A
A. phellogen
B. vascular cambium
C. phloem
D. xylem
Answer : A
42. The given figure shows the secondary growth in a dicot stem. Their parts are marked as A, B, C, D, E & F. Choose the correct labelling of the parts marked as A to F.
A. A Phellem, B Phellogen, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
B. A Phellem, B Phellogen, C Medullary rays, D Secondary phloem, E Secondary xylem, F Cambium ring
C. A Phellogen, B Phellem, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
D. A Phellem, B Phellogen, C Cambium ring, D Secondary xylem, E Secondary phloem, F Medullary rays
Answer : A
A. A Phellem, B Phellogen, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
B. A Phellem, B Phellogen, C Medullary rays, D Secondary phloem, E Secondary xylem, F Cambium ring
C. A Phellogen, B Phellem, C Medullary rays, D Secondary xylem, E Secondary phloem, F Cambium ring
D. A Phellem, B Phellogen, C Cambium ring, D Secondary xylem, E Secondary phloem, F Medullary rays
Answer : A
43. Which one of the following option shows the correct labelling of the parts marked as A, B, C and D in the given figure of a typical dicot root?
A. A Primary phloem, B Vascular cambium, C Secondary phloem, D Primary xylem
B. A Secondary phloem, B Vascular cambium, C Primary phloem, D Primary xylem
C. A Primary phloem, B Primary xylem, C Secondary phloem, D Vascular cambium
D. A Secondary phloem, B Primary xylem, C Primary phloem, D Vascular cambium
Answer : A
A. A Primary phloem, B Vascular cambium, C Secondary phloem, D Primary xylem
B. A Secondary phloem, B Vascular cambium, C Primary phloem, D Primary xylem
C. A Primary phloem, B Primary xylem, C Secondary phloem, D Vascular cambium
D. A Secondary phloem, B Primary xylem, C Primary phloem, D Vascular cambium
Answer : A
44. A plant tissue when stained showed the presence of hemicellulose and pectin in cells wall of its cells. The tissue is called
A. collenchyma
B. sclerenchyma
C. xylem
D. meristem
Answer : A
A. collenchyma
B. sclerenchyma
C. xylem
D. meristem
Answer : A
45. Which of the following pair of match is not correct?
A. Pith - Large and well developed in monocotyledonous root.
B. Root hairs - Helps in preventing water loss due to transpiration
C. Sieve tube elements - Its functions are controlled by the nucleus of companion cells.
D. Stomatal apparatus - Consists of stomatal aperture, guard cells and surrounding subsidiary cells
Answer : A
A. Pith - Large and well developed in monocotyledonous root.
B. Root hairs - Helps in preventing water loss due to transpiration
C. Sieve tube elements - Its functions are controlled by the nucleus of companion cells.
D. Stomatal apparatus - Consists of stomatal aperture, guard cells and surrounding subsidiary cells
Answer : A
46. Match the elements of xylem given in column I with their character given in the column II and choose the correct option.
A. A IV; B III; C II; D I
B. A III; B II; C I; D IV
C. A II; B I; C IV; D III
D. A III; B IV; C II; D I
Answer : D
| Column-I | Column-II |
|---|---|
| A. Xylem vessels | I. Store food materials |
| B. Xylem tracheids | II. Obliterated lumen |
| C. Xylem fibres | III. Perforated plates |
| D. Xylem parenchyma | IV. Chisel-like ends |
A. A IV; B III; C II; D I
B. A III; B II; C I; D IV
C. A II; B I; C IV; D III
D. A III; B IV; C II; D I
Answer : D
47. In the given figure of phloem tissue, identify the marked part (A, B and C) which help in maintaining the pressure gradient
in the sieve tubes.
A. A
B. B
C. C
D. None of the above
Answer : C
in the sieve tubes.
A. A
B. B
C. C
D. None of the above
Answer : C
48. A student was given a tissue to observe under the microscope. He observes the tissue and concludes that the tissue is a type of simple plant tissue and provides mechanical support to young stem and petiole of leaf.
Identify the tissue.
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Xylem parenchyma
Answer : B
Identify the tissue.
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Xylem parenchyma
Answer : B
49. The given figure shows apical meristem of root apex with few part marked as A, B and C. Identify the correct labelling of A, B and C.
A. A Vascular structure, B Protoderm, C Root cap
B. A Cortex, B Endodermis, C Root cap
C. A Cortex, B Protoderm, C Root cap
D. A Tunica, B Protoderm, C Root cap
Answer : C
A. A Vascular structure, B Protoderm, C Root cap
B. A Cortex, B Endodermis, C Root cap
C. A Cortex, B Protoderm, C Root cap
D. A Tunica, B Protoderm, C Root cap
Answer : C
50. Which of the following process helps the trichomes in preventing water loss?
A. Where companion cells helps in maintaining the pressure gradient in the sieve tubes.
B. Where plants absorb water through the roots and then give off water vapor through pores in their leaves.
C. Where activity of cork cambium builds pressure on the remaining layers peripheral to phellogen and ultimately these layers dies and slough off.
D. None of the above
Answer : B
A. Where companion cells helps in maintaining the pressure gradient in the sieve tubes.
B. Where plants absorb water through the roots and then give off water vapor through pores in their leaves.
C. Where activity of cork cambium builds pressure on the remaining layers peripheral to phellogen and ultimately these layers dies and slough off.
D. None of the above
Answer : B
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