Anatomy of flowering plant MCQ Solved Paper for XAT

1. 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

2. Match the terms given in column I with their features given in column II and choose the correct option.

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

3. Which of the following statement(s) is/are not correct?

1. Cork cambium is also called phellogen.
2. Cork is also called phellem.
3. Secondary cortex is also called periderm.
4. 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

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

5. 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

6. 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

7. 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

8. 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

9. Which of the following statements are correct ?

1. Xylem transports water and minerals.
2. Gymnosperms lack sieve tubes and companion cells in phloem.
3. The first formed primary xylem is called metaxylem.
4. Phloem fibres (bast fibres) are made up of collenchymatous cells.

A. (i) and (iii)
B. (i) and (ii)
C. (iii) and (iv)
D. (i) and (iv)
Answer : B

10. 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

11. The given diagrams show stomatal apparatus in dicots and monocots. Which one is correct option for A, B and C?

A. A Epidermal cells; B Subsidiary cells; C chloroplast
B. A Guard cells; B Subsidiary cells; C Stomatal pore
C. A Guard cells; B Epidermal cells; C Guard cells
D. A Epidermal cells; B Subsidiary cells; C Guard cells
Answer : D

12. 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. both (a) & (c)
Answer : B

13. 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 dicot and beanshaped in monocots (e.g. grass).

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

14. Which of following helps bamboo and grasses to elongate ?
A. Apical meristems
B. Lateral meristems
C. Secondary meristems
D. Intercalary meristems
Answer : D

15. 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

16. 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

17. 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

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

19. 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

20. 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

21. 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

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

24. 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

25. In land plants, the guard cells differ from other epidermal cells in having
A. cytoskeleton.
B. mitochondria.
C. endoplasmic reticulum.
D. chloroplasts.
Answer : D

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

27. 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

28. 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.
Answer : C

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

Column-I	Column-II
A. Sele	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

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

31. 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

32. Apical, intercalary and lateral meristems are differentiated on the basis of
A. origin
B. function
C. position
D. development
Answer : C

33. 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

34. 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

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

36. 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

37. 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

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

39. 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

40. 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

41. 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

42. 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

43. Cambium is considered as a lateral meristem because
A. it gives rise to lateral branches.
B. it causes increase in girth.
C. it increases height and diameter of a plant.
D. it adds bulk to a plant.
Answer : B

44. Which of the following statement(s) is/are correct ?

1. Uneven thickening of cell wall is characteristic of sclerenchyma.
2. Periblem forms cortex of the stem and the root.
3. Tracheids are the chief water transporting elements in gymnosperms.
4. Companion cell is devoid of nucleus at maturity.
5. 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

45. In the given figure of phloem tissue, identify the marked part (A, B and C) which help in maintining the pressure gradient
in the sieve tubes.

A. A
B. B
C. C
D. None of the above
Answer : C

46. 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

47. 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

48. 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

49. 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

50. 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