Anatomy of flowering plant 1000+ MCQ with answer for RBI Assistant

1. Apical and intercalary meristems are primary meristems because
A. they occur in the mature region of roots and shoots of many plants.
B. they made up of different kinds of tissues.
C. they involved in secondary growth.
D. they appear early in life of a plant and contribute to the formation of the primary plant body.
Answer : D

2. 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

3. 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

4. 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

5. 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

6. Lignin is the important constituent in the cell wall of
A. phloem
B. parenchyma
C. xylem
D. cambium
Answer : C

7. An organised and differentiated cellular structure having cytoplasm but no nucleus is called _________.
A. vessels
B. xylem parenchyma
C. sieve tubes
D. tracheids
Answer : C

8. Which one of the followings option shows the correct labelling of the parts marked as A, B, C and D in the given figure a lenticel?

A. A Epidermis, B Secondary cortex, C Cork cambium, D Cork
B. A Pore, B Cork cambium, C Secondary cortex, D Cork
C. A Pore, B Cork, C Complimentary cells, D Cork cambium
D. A Epidermis, B Complimentary cells, C Cork cambium, D Secondary cortex
Answer : D

9. 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

10. Match the followings and choose the correct option

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

11. Various functions like photosynthesis, storage, excretion performed by _____________.
A. sclerenchyma
B. parenchyma
C. collenchyma
D. aerenchyma
Answer : B

12. 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

13. A piece of wood having no vessels (trachea) must be belonged to
A. teak
B. mango
C. pine
D. palm
Answer : C

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

15. 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

16. Identify types of vascular bundles in given figures A, B and C.

A. Radial; Conjoint losed; Conjoint open
B. Conjoint closed; Conjoint open; Radial
C. Conjoint open; Conjoint closed; Radial
D. Bicollateral; Concentric; Radial
Answer : A

17. 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

18. 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

19. T.S. of monocot leaf is given below, certain parts have been marked by alphabets (A G). Which one is the option showing there correct labelling?

A. A Adaxial epidermis, B Xylem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Stoma, G Phloem
B. A Adaxial epidermis, B Abaxial epidermis, C Xylem, D Sub-stomatal cavity, E Stoma, F Mesophyll, G Phloem
C. A Adaxial epidermis, B Phloem, C Mesophyll, D Sub-stomatal cavity, E Abaxial epidermis, F Xylem, G Stoma
D. A Adaxial epidermis, B Xylem, C Stoma, D Substomatal cavity, E Abaxial epidermis, F Phloem, G Mesophyll
Answer : A

20. Phellogen and phellem respectively denote
A. cork and cork cambium,
B. cork cambium and cork,
C. secondary cortex and cork,
D. cork and secondary cortex,
Answer : B

21. Identify A, B and C in the given figure of shoot apical meristem

A. A Leaf primordium, B Shoot apical meristem, C Axillary bud
B. A Leaf primordium, B Shoot apical meristem, C Apical bud
C. A Root hair primordium, B Root apical meristem, C Axillary bud
D. A Root hair primordium, B Root apical meristem, C Terminal bud
Answer : A

22. Read the following statements and answer the question.

1. It has a sclerenchymatous hypodermis, a large number of scattered vascular bundles and a large parenchymatous ground tissue.
2. Vascular bundles are conjoint and closed.
3. Peripheral vascular bundles are generally smaller than the centrally located ones.
4. 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

23. 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

24. Match column-I with column-II and choose the correct option.

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

25. Cork cambium and vascular cambium are
A. the parts of secondary xylem and phloem.
B. the parts of pericycle.
C. lateral meristems.
D. apical meristems.
Answer : C

26. Which type of plant tissue is being described by the given statements?

1. It consists of long, narrow cells with thick and lignified cell walls having a few or numerous pits.
2. They are dead and without protoplasts.
3. On the basis of variation in form, structure, origin and development, it may be either fibres or sclereids.
4. It provides mechanical support to organs.

A. Parenchyma
B. Sclerenchyma
C. Collenchyma
D. Chlorenchyma
Answer : B

27. 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

28. When we peel the skin of a potato tuber, we remove
A. periderm
B. epidermis
C. cuticle
D. leaves
Answer : A

29. Which one of the following statement is incorrect ?

1. Epidermal cell has small amount of cytoplasm and a large vacuole.
2. Waxy cuticle layer is absent in roots.
3. Root hairs are unicellular, while stem hairs / trichomes are multicellular.
4. Trichomes may be branched or unbranched, soft or stiff and prevent transpiration.
5. Guard cells are dumbell shaped in icots and beanshaped in monocots (e.g. grass).

A. Only (i)
B. Only (iv)
C. Only (iii)
D. Only (v)
Answer : D

30. The given figure shows T.S. of monocot stem. Identify the correct labelling of A to F marked in the given figure.

A. A Epidermis, B Hypodermis, C Vascular bundles, D Phloem, E Xylem, F Ground tissue
B. A Cuticle, B Epidermis, C Sclerenchymatous sheath, D Sclerenchymatous hypodermis, E Parenchymatous sheath, F Phloem
C. A Cuticle, B Epidermis, C Sclerenchymatous hypodermis, D Sclerenchymatous sheath, E Parenchymatous sheath, F Phloem
D. A Cuticle, B Epidermis, C Sclerenchymatous hypodermis, D Sclerenchymatous sheath, E Parenchymatous sheath, F Protoxylem
Answer : A

31. 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

32. Match the elements of xylem given in column I with their character given in the column II and choose the correct option.

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

33. Which of the following figure is a type of permanent tissue having many different types of cell?
A.
B.
C.
D.
Answer : C

34. 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, C Casparian strips
Answer : A

35. Cork is formed from
A. phellogen
B. vascular cambium
C. phloem
D. xylem
Answer : A

36. In stems, the protoxylem lies towards the _____________ and the metaxylem lies towards the ____________ of the organ.
A. centre; periphery
B. periphery; centre
C. periphery; periphery
D. centre; centre
Answer : A

37. 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

38. Bast fibres are made up of _____________cells.
A. sclerenchymatous
B. chlorenchymatous
C. parenchymatous
D. aerenchymatous
Answer : A

39. T.S. of dicot leaf passing through the midrib is given below. Certain parts have been marked by alphabets (A to H). Choose the option showing their correct labelling.

A. A Epidermis, B Spongy mesophyll, C Palisade mesophyll, D Stomata, E Guard cells, F Phloem, G Metaxylem, H Protoxylem
B. A Epidermis, B Palisade mesophyll, C Spongy mesophyll, D Sub-stomatal cavity, E Stoma, F Phloem, G Xylem, H Bundle sheath
C. A Epidermis, B Palisade mesophyll, C Spongy mesophyll, D Stomata, E Guard cells, F Epidermis, G Xylem, H Phloem
D. A Epidermis, C Palisade mesophyll, C Spongy mesophyll, D Stomata, E Guard cells, F Phloem, G Metaxylem, H Protoxylem
Answer : B

40. 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

41. Gymnosperms are also called soft wood spermatophytes because they lack
A. cambium
B. phloem fibres
C. thick-walled tracheids
D. xylem fibres
Answer : D

42. Main function of lenticel is
A. transpiration
B. guttation
C. gaseous exchange
D. both (a) & (c)
Answer : A

43. Match the terms given in column I with their funciton given in column II and choose the correct option.

Column-I	Column-II
(Term)	(Functions)
A. Meristem	I. Photosynthesis, storage
B. Parenchyma	II. Mechanical support
C. Collenchyma	III. Actively dividing cells
D. Sclerenchyma	IV. Stomata
E. Epidermal tissue	V. Sclereids

A. A I, B III, C V, D II, E IV
B. A III, B I, C II, D V, E IV
C. A II, B IV, C V, D I, E III
D. A V, B IV, C III, D II, E I
Answer : B

44. The __________ occurs in layers below the epidermis in dicotyledonous plants.
A. parenchyma
B. sclerenchyma
C. collenchyma
D. aerenchyma
Answer : C

45. Match column-I with column-II and choose the correct option.

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

46. 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

47. Match column-I with column-II and select the correct option from the codes given below.

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

48. A tissue is a group of cells which are
A. similar in origin, but dissimilar in form and function.
B. dissimilar in origin, form and function.
C. dissimilar in origin, but similar in form and function.
D. similar in origin, form and function.
Answer : D

49. Read the following statements and answer the question.

1. Cambium is very active and produces a large number of xylary elements having vessels with wider cavities.
2. It is also called early wood.
3. 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

50. Sieve tubes are suited for translocation of food because they possess
A. bordered pits.
B. no ends walls.
C. broader lumen and perforated cross walls.
D. no protoplasm.
Answer : C