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Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 4 (60 MCQs)

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1. Grittiness of fruit in pears is due to-
2. Closed vascular bundles lack
3. Tracheids and vessel elements-
4. Secondary xylem is-
5. Collenchyma differs from sclerenchyma in(a) having thick cell walls(b) having wide lumen(c) being flexible(d) being living at maturity
6. Which part of a flowering plant provides support and transports water and nutrients?
7. Identify the correct statementa) Stomata are present on both epidermal layers in isobilateral leavesb) Guard cells are dumb-bell shaped in grass leavesc) Photosynthesis do not occur in guard cellsd) Stomata opens when guard cells are flaccid
8. Casparian strips are found on radial and inner walls of
9. I. Occur as layers or patchesII. Cell wall-Unevenly thickened due to pectocellulosic depositionIII. Cells-Spherical, oval or polygonalIV. Often has chloroplastV. Living mechanical tissueVI. Occur in hypodermis of young dicot stem and petioleThe characters are shown by which of the following tissues-
10. Monocotyledonous roots do not undergo any secondary growth.
11. I) Long cylindrical tube like structure made up of many cells, lignified cell wall & large central cavity.II)Protoplasm is not present.Above characteristics belong to which of the following?
12. The guard cells possess chloroplasts and regulate the opening and closing of stomata.
13. Primary tissues of a plant
14. Which one is correct about intercalary meristem?
15. Sclereids posses
16. Assertion:Pith is large and well developed in monocots. Reason:Monocot root do not undergo any secondary growth
17. What part of the flower will turn into a seed?
18. Vascular cambium forms xylem on the inside and phloem on the outside due to-
19. Passage cells are thin-walled cells found in:
20. How many shoot apical meristematic zones are expected in a twig of a plant possessing 9 branches, 39 leaves?
21. Which type of plant part is characterized by a ring arrangement of vascular bundles?
22. WHICH ONE OF THE FOLLOWING SHOWS SECONDARY GROWTH?
23. From the following statements related to Xylem, identify the wrong statement
24. Permanent tissue consists of cells having no power of cell division. Such tissues are formed by-
25. Cells of permanent tissues are specialised-
26. Protects apical meristem from damage as it pushes through the soil.
27. One cannot determine the age of a tree by its rings, if that tree is located in which of the following forest
28. I. Sieve tube or sieve cell is living but enucleate.II. Xylem and phloem constitute the vascular bundle.III. First formed xylem element and phloem element are called metaxylem and metaphloem respectively.IV. Phloem fibres are generally absent in primary phloem.V. Phloem parenchyma is absent in most of the monocots.Which of the above statements is wrong?
29. The hypocotyl in an embryo becomes the
30. Intercalary meristem is related to all, except
31. Assertion:-Epidermal tissue system is ofprotective in function.Reason:-It is the outer most tissue system whichinitially comes in contact with environmental factors.
32. The healing of wounds in plants takes place by the activity of
33. On the basis of location and function, how many types of the tissue system are found in vascular plants
34. Cells of which tissue give rise to secondary xylem in most monocotyledons?
35. The parenchymatous cells which lie between the xylem and the phloem are called conjuctive tissue.
36. Read carefully the statements regarding Ground tissue and identify the incorrect statement
37. For a critical study of secondary growth in plants, which one of the following pairs is suitable?
38. Bicollateral conjoint vascular bundles have-
39. Which tissue in plants is responsible for the transport of water and minerals from the roots to the leaves?
40. Stomata in grass leaf are
41. The opening and closing of stomata are assisted by
42. Which of the following helps in maintaining the pressure gradient in the sieve tubes?
43. Which tissue is not evident in most of the monocotyledons?
44. Bundle found in stems that contains phloem and xylem:
45. Early wood is formed-
46. Xylem parenchyma stores-
47. Assertion:In stem, pericycle take active part in secondary growth. Reason:In root, pericycle take active part in secondary growth
48. The meristem which occurs between mature tissues is known as
49. Moves water, minerals and food throughout the plant:
50. Unlike tracheids, vessel elements-
51. The meristems which occur at the tips of roots and shoots and produce primary tissues are called
52. Well differentiated pith present in
53. Fibres and sclereids are the types of-
54. The balloon-shaped structures called tyloses:
55. The companion cells help in maintaining the pressure gradient in the sieve tubes.
56. The innermost layer or last layer of cortex is called-
57. When xylem and phloem are on same radius, thevascular bundles are said to be-
58. In a monocot leaf
59. Skin of cells on surface of root where water and minerals are absorbed.
60. The intercalary meristem results in(a) apical growth(b) secondary tissues(c) primary tissues(d) cambium
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