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Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 5 (60 MCQs)

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1. Anchoring plants, storing food, and absorbing water are functions of plant
2. In dicotyledonous stem, the cells of the endodermis are rich in starch grains and the layer is also referred to as the starch sheath.
3. Sclerenchyma consists of long, narrow cells with thick and lignified cell walls having a few or numerous pits.
4. Adenosine triphosphate, the molecule which provides the energy in the cells of all living things
5. Select the correct option after reading the following statements.Statement I:The meristem which occurs between mature tissues is known as intercalary meristem.Statement II:During the formation of leaves and elongation of stem, some cells 'left behind' from shoot apical meristem, constitute the axillary bud.
6. Annual or growth rings consist of-
7. During secondary growth the amount of xylem produced is more than phloem because-
8. All of the following statements are correct for cells of parenchyma, except
9. Cambium ring in dicot stem is
10. Sclereids are commonly found in the-I) Fruit wall of nutsII)pulp of fruit like guava & pearIII) Seed coat of legumes.IV) microplyle of peaSelect the correct combination-
11. How many shoot apical meristematic zones areexpected in a plant possessing 9 branches and39 leaves?
12. Select the correct statement regarding vessels.
13. In land plants, the guard cells differ from other epidermal cells in having:-
14. VASCULAR BUNDLE IN DICOT ROOT IS
15. SI-Primary Xylem is exarch in rootsSII-Primary Xylem is endarch in stems
16. If xylem and phloem are present on the same radii then the vascular bundle is called as
17. CORTEX HAS THREE LAYERS LIKE HYPODERMIS, CORTICAL LAYERS AND ENDODERMIS IN
18. What is the purpose of stem anatomy in a flowering plant?
19. All tissues on the inner side of the endodermis such as pericycle, vascular bundles and pith constitute the stele.
20. Which one is secondary lateral meristem?
21. Proteins which assist chemical reactions in living cells
22. What is the reason for the formation of cork cambium or phellogen?
23. Which of the following bast fibres is of great commercial value?
24. What is the main function of the root system in a flowering plant?
25. A major characteristic of the monocot root is the presence of:
26. The phloem parenchyma stores food material and other substances like resins, latex and mucilage.
27. Which of the following structures encloses the stomatal pore and has a bean shape?
28. Dead cells with narrow lumen, lignified cell wall with a few or numerous pits and serving a mechanical function only are called-
29. Secondary xylem and phloem in dicot stem are produced by
30. Which of the following statements is incorrect for secondary meristem?
31. Trees which bear cones and need-like or scale-like leaves
32. The outermost layer in dicotyledonous roots is known as Epiblema.
33. Heartwood is characterized by all, except
34. Cortex is the region found between:-
35. Tiny opening that is useful for gas exchange.
36. ..... present on the inner side of the endodermis and above the phloem in the form of semi-lunar patches of sclerenchyma.
37. The presence of vessels is a characteristic feature of angiosperms.
38. In dicot leaf, the vascular bundles are surrounded by a layer of thick walled bundle sheath cells.
39. Highly thick-walled lignified cells generally found in fruit walls of nuts and pulp of fruits are
40. The thin radial fibres extending from pith to cambium layer are known as
41. When Xylem & phloem are separated by a strip of cambium, vascular bundle is called-
42. Major xylary element in wood of a gymnospermic plant is
43. Which of the following statements is incorrect about sclereids (stone cells)
44. Hair like projections that extend from the epidermis are
45. Assertion. In collateral vascular bundles, phloem is situated towards inner side. Reason. In monocot stem, cambium is present
46. In conjoint type of vascular bundles, the xylem and phloem are jointly situated along the same radius of vascular bundles.
47. Medullary rays are formed by the-
48. Read the different components from (A) to (D) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem:
49. Cork cambium of dicot stem originates from
50. Assertion:The two cotyledons in seed are embryonic leaves. Reason:The embryo contains radicle and plumule
51. Ray parenchymatous cells-
52. Assertion:Epidermal cells have small amount of cytoplasm and a large vacuole. Reason:Guard cells are dumb bell shaped in dicots and bean shaped in monocots
53. Interfascicular cambium develops from the cells of:
54. The stomatal aperture, guard cells and the surrounding subsidiary cells are together called stomatal apparatus.
55. Select the correct statement from the following-I)youngest secondary phloem is just outside the cambium, while youngest secondary xylem is present inside the cambiumII) oldest secondary phloem is just inside the primary phloem while oldest secondary xylem is just above pith.III) secondary medullary rays passes through both secondary xylem & secondary phloem
56. Which of the cell is non-living and without protoplast?
57. In root, the tangential as well as radial walls of the barrel-shaped endodermal cells have a deposition of water impermeable, waxy material-suberin in the form of-
58. Secondary growth occurs due to activity of-
59. Age of a tree can be estimated by:
60. Which one of the following is not a lateral meristem?
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