NEET Biology Chapter Wise Mock Test – Anatomy of Flowering Plants
1. Which of the following is not correctly matched?
(a) Father of Plant Anatomy — N Grew
(b) Term ‘meristem’ — C Nageli
(c) Apical cell theory — C Nageli
(d) Histogen concept — N Grew
2. A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
(a) collenchyma
(b) sclerenchyma
(c) xylem
(d) meristem
3. 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, which the pollen tubegrows towards the ovary .
4. Meristem responsible for increase in girth or diameter is
(a) apical meristem
(b) intercalary meristem
(c) lateral meristem
(d) None of these
5. Intercalary meristem is present at the base of
(a) internodes in grasses
(b) leaves in Pinus
(c) nodes in Mentha
(d) All of these
6. Which of the following statements is true?
(a) Vessels are multicellular and with wide lumen
(b) Tracheids are multicellular and with narrow lumen
(c) Vessels are unicellular and with narrow lumen
(d) Tracheids are unicellular and with wide lumen
7. Lateral meristem is present-in
(a) vascular cambium
(b) cork cambium
(c) xylem and phloem
(d) Both (a) and (b)
8. Quiescent centre is found in root. The concept of quiescent centre was proposed by
(a) Clowes in maize
(b) Schmidt in rice
(c) C Nageli in oat
(d) Buvat in Arabidopsis
9. A common structural feature of vessel elements and sieve tube element is
(a) thick secondary walls
(b) pores on lateral walls
(c) presence of P-protein
(d) enucleate condition
10. In Eichhornia, parenchyma develops air spaces, such parenchyma with air cavities is known as
(a) collenchyma
(b) chlorenchyma
(c) aerenchyma
(d) sclerenchyma
11. Sclerenchyma is thick-walled tissue, which has depositions of
(a) lignin on their cell walls
(b) suberin on their cell walls
(c) pectin on their cell walls
(d) cellulose on their cell walls
12. In the sieve elements, which one of the following is the most likely function of P-proteins?
(a) Deposition of callose on sieve plates
(b) Providing energy for active translocation
(c) Autolytic enzymes
(d) Sealing mechanism on wounding
13. Which of the following is not correct?
(a) Hardness of seed coat is due to stone cells
(b) Stone cells are present in endocarp of coconut, hard seed coats and fruit pulp
(c) Stone cells are not present in fruit pulp of Pyrus
(d) Function of sclereids is mechanical
14. Vessel less angiosperms is/are
(a) Winters (Winteraceae)
(b) Tetracentron (Tetracentraceae)
(c) Trochodendron (Trochodendraceae)
(d) All of the above
15. In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?
(a) Stem and root
(b) All parts
(c) Shoot tips and root tips
(d) Flowers, fruits and leaves
16. Which of the following non-angiospermic plants have vessels?
(a) Gnetum
(b) Welwitschia
(c) Ephedra
(d) All of these
17. Companion cells are absent in phloem of
(a) angiosperms and bryophytes
(b) pteridophytes and gymnosperms
(c) angiosperms and gymnosperms
(d) bryophytes and angiosperms
18. Generally epidermis is single layered but in certain leaves, multilayered upper epidermis is present such as
(a) Nerium
(b) Ficus
(c) Pepromea
(d) All of these
19. Which of the following is not correct?
(a) In xerophytes, stomata are of sunken type
(b) In some monocots like doob grass, guard cells are dumbbell or barbell-shaped
(c) The guard cells are non-living and contain no chloroplast
(d) Epidermal cells also possess anthocyanin pigments, tannins and different crystals
20. In which one of the following would you expect to find glyoxysomes?
(a) Endosperm of wheat
(b) Endosperm of castor
(c) Palisade cells in leaf
(d) Root hairs
21. In angiosperms, pericycle gives rise to
(a) primary roots
(b) lateral roots
(c) secondary growth
(d) cork cells
22. In dicot stem, vascular bundles araconjoint, collateral and open, whereas in monocots vascular bundles are
(a) conjoint, collateral and closed
(b) radial, collateral and open
(c) radial, bicollateral and closed
(d) concentric, collateral and open
23. Which one of the following statement pertaining to plant structure is correct?
(a) Cork lacks stomata but lenticels carry out transpiration
(b) Passage cells help in transfer of food from cortex to phloem
(c) Sieve tube elements possess cytoplasm but no nuclei
(d) The shoot apical meristem has a quiescent centre
24. Bicollateral vascular bundles are found in family
(a) Cucurbitaceae
(b) Solanaceae
(c) Myrtaceae
(d) All of these
25. In which of the following plants amphivasal or leptocentric vascular bundles are found?
(a) Yucca and Dracaena
(b) Fern and Yucca
(c) Dracaena and Fern
(d) Ficus and Yucca
26. In a longitudinal section of a root, starting from the tip upward the four zones occur in the 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
27. Cork cambium results in the formation of cork, which becomes impermeable to water due to the accumulation of
(a) resins
(b) suberin
(c) lignins
(d) tannins
28. Lenticels help in gaseous exchange and lenticular transpiration. Lenticels are the characteristics of
(a) herb stem
(b) shrub stem
(c) woody stem
(d) None of the above
29. In a plant organ, which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes through
(a) aerenchyma
(b) trichomes
(c) pneumatophores
(d) lenticels
30. Anomalous secondary growth is found in
(a) Yucca
(b) Dracaena
(c) Aloe
(d) All of these
31. Companion cells in plants are associated with
(a) vessels
(b) sperms
(c) sieve elements
(d) guard cells
32. What is the fate of primary xylem in a dicot root showing extensive secondary growth?
(a) It is retained in the centre of the axis
(b) It gets crushed
(c) May or may not get crushed
(d) It gets surrounded by primary phloem
Direction (Q. Nos. 33-35) In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as
(a) If both Assertion and Reason are true andReason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason’are false.
33. Assertion The quiescent centre acts as a reservoir of relatively resistant cells, which constitute a permanent source of active initials.
Reason The cells of the inactive region of quiescent centre become active, when the previous active initials get damaged.
34. Assertion In collateral vascular bundles, phloem is situated towards inner side.
Reason In monocot stem, cambium is present.
35. Assertion Fascicular vascular cambium, interfascicular cambium and cork cambium are examples of lateral meristems.
Reason These are responsible for producing secondary tissues.
36. Match the following columns.
Column I Column II
A. Stomata 1. Contains chloroplasts
B. Mesophyll 2. Light colour
C. Lenticels 3. Dark colour
D. Spring wood 4. Epidermis of leaves
5. Exchange of gases
Codes
ABCD ABCD
(a) 4 1 5 2 (b) 2 1 3 5
(c) 5 4 2 1 (d) 1 2 3 4
37. Match the following columns.
Column 1 Column II
A. Sclereids 1. Conducting tissue
B. Xylem 2. Sclerenchymatous cells
C. Phloem fibres 3. Epidermal tissue
D. Trichome. 4. Fruit walls of nuts
Codes
ABC D ABC D
(a) 2 1 3 5 (b) 4 1 2 3
(c) 5 4 2 1 (d) 1 23 4
38.Match the following columns.
Column I Column II
A. Cuticle 1. Guard cells
B. Bulliform cells 2. Single layer
C. Stomata 3. Waxy layer
D. Epidermis 4. Empty colourless cell
Codes
ABC D ABC D
(a) 3 4 1 2 (b) 1 23 4
(c) 3 2 4 1 (d) 3 2 1 4
39.Match the following columns.
Column I Column II
A. Meristem 1. Photosynthesis, storage
B. Parenchyma 2. Mechanical support
C. Collenchyma 3. Actively dividing cells
D. Sclerenchyma 4. Stomata
E. Epidermal tissue 5. Sclereids
Codes
A B C D E
(a) 1 3 5 2 4
(b) 3 1 2 5 4
(c) 2 4 5 1 3
(d) 5 4 3 2 1
40. A major characteristic of the monocot root is the presence of
(a) open vascular bundles
(b) scattered vascular bundles
(c) vasculature without cambium
(d) cambium sandwiched between phloem and xylem along the radius
41. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
(a) Secondary xylem
(b) Secondary phloem
(c) Protoxylem
(d) Cortical cells
42. Tracheids differ from other tracheary element in
(a) having casparian strips
(b) being imperforate
(c) lacking nucleus
(d) being lignified
43. Age of a tree can be estimated by
(a) biomass
(b) number of annual rings
(c) diameter of its heartwood
(d) its height and girth
44. Lenticels are involved in
(a) gaseous exchange
(b) food transport
(c) photosynthesis
(d) transpiration
45. Interfascicular cambium develops from the cells of
(a) xylem parenchyma
(b) endodermis
(c) pericycle
(d) medullary rays
46. The common bottle cork is a product of
(a) dermatogen
(b) phellogen
(c) xylem
(d) vascular cambium
47. Companion cells are closelyassociated with
(a) sieve elements
(b) vessel elements
(c) trichomes
(d) guard cells
48. Closed vascular bundles lack
(a) ground tissue
(b) conjunctive tissue
(c) cambium
(d) pith
49. The eyes of the potato tuber are
(a) flower buds
(b) shoot buds
(c) axillary buds
(d) root buds
50. Ground tissue includes
(a) all tissues except epidermis and vascular bundles
(b) epidermis and cortex
(c) all tissues internal to endodermis
(d) all tissues external to endodermis
51. The cork cambium, cork and secondary cortex are collectively called
(a) phellogen
(b) periderm
(c) phellem
(d) phelloderm
52. Increase in circumference of stem is due to the activity of
(a) xylem
(b) phloem
(c) cambium
(d) cortex
53. Histogens capping root apical, meristem is
(a) dermatogen
(b) calyptrogen
(c) periblem
(d) plerome
54. One of the following statement is false for heartwood.
(a) Made up of living cells
(b) Forms central cylinder of wood
(c) Solid and hard
(d) Contains gums and resins
55. The scutellum observed in a grain of wheat or maize is comparable to, which part of the seed in other monocotyledons.
(a) Cotyledon
(b) Endosperm
(c) Aleurone layer
(d) Plumule
56. Which one of the following is not a lateral meristem?
(a) Intrafascicular cambium
(b) Interfascicular cambium
(c) Phellogen
(d) Intercalary meristem
57. 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
58. What do you mean by
(a) Cambium present
(b) Cambium absent
(c) Periderm absent
(d) None of these
59. Monocot stem lacks
(a) tracheids
(b) sieve tube
(c) cambium
(d) None of these
60. The structure, which contain vascular bundle and is modification of stem is
(a) bristles
(b) thorn
(c) prickle
(d) spine
Answers :
