Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 3 (60 MCQs)

Quiz Instructions

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1. Spot the correct statement from the following
2. Secondary tissues of a plant-
3. Which sequence correctly illustrates the arrangement of layers from outside to inside in a dicot stem?
4. Which structure present in vascular bundles is responsible for the secondary growth in dicot plants?
5. Assertion:Cuticle is also present in lower epidermal region of the leaf. Reason:The lower epidermis contains a large number of stomata
6. Assertion:Sclerenchyma cells do not possess plasmodesmata.Reason:The cell walls of some permanent tissues are heavily lignified.
7. IF A DICOT STEM HAS 100 DARK AND LIGHT RINGS ON THE CUT SURFACE THEN THE AGE OF THE PLANT WILL BE
8. In angiosperm phloem-
9. The annual rings are bands of(a) springwood and autumn wood(b) secondary xylem and primary xylem(c) xylem and phloem(d) secondary phloem and primary phloem
10. Which type of cell found in grasses helps in reducing water loss?
11. Lenticels are involved in:
12. Which of the following features is not found while observing a TS of monocot root?
13. Which one produces primary tissues?
14. Xylem is a conducting tissue for water and minerals from roots to the upper parts of the plant. Which of the following statement about Xylem is correct?
15. Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are
16. What is the structure that contains the reproductive organs of a flowering plant?
17. I. Roots are unicellular.II, Trichomes are usually multicellualr.Identify the correct option
18. Assertion:-Interfascicular cambium is thededifferentiated tissue.Reason:-In interfascicular cambium cells attaindefinite shape and function and lost power ofdivision.
19. The annual rings are formed due to
20. In dicotyledonous stem, the outer hypodermis, consists of a few layers of collenchymatous cells just below the epidermis, which provide mechanical strength to the young stem.
21. Which component is not found in phloem of angiosperms?
22. Interfascicular cambia originate from cells of-
23. Which of the following is the living element of xylem-
24. Which of the following is NOT a type of simple permanent tissue in plants?
25. I) made up of scelerenchymatous cells, II) Generally absent in primary phloemIII) Much elongated & pointed. Above characteristics match with which of the following?
26. Embryos with two cotyledons
27. Supports and anchors plant, uptakes water and stores nutrients.
28. In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to Choose the correct answer from the options given below.
29. The activity of cambium is under the control of-
30. In an Isobilateral leaf, the stomata are present on both the surfaces of the epidermis.
31. Which of the following is made up of dead cells?
32. These convert energy from sunlight into food for the plant through a chemical process called photosynthesis.
33. In monocot stems, secondary growth cannot occurbecause vascular bundles are
34. All of the following statements are incorrect for guard cells, except
35. Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
36. I) unicellular hairII) endodermis with pasage cellsIII) pith small & inconspicuousIV)2-4 xylem & phloemV) cambium ring develops between xylem & phloemthe above description refers to which of the following?
37. Assertion:Vascular bundle of monocot stem is conjoint. Reason:Vascular bundle of monocot stem are open and phloem parenchyma is absent
38. Growth in plants is largely restricted to specialised regions of active cell division called
39. The tangential as well as radial walls of the endodermal cells have a deposition of water-impermeable, waxy material suberin in the form of casparian strips.
40. The root hair is produced from
41. The following statements are related to Phloem. Which statement do you think is incorrect?
42. Which of the following statements about cork cambium is incorrect?
43. The difference between a monocot root and dicot root seen as a section under a microscope isa) Vascular bundle in monocot root is polyarchb) Pith is large and well developedc) Xylem and Phloem forms patches numbered 2-4d) Pith is small
44. Assertion:Apical meristem of root is subterminal. Reason:At the terminal end of root, root cap is present(a) If both Assertion and Reason are true and Reason 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.
45. Which of the following statements are correct in respect of vascular tissuesa) Vascular tissues comprises of Xylem, Phloem and pithb) Vascular bundles of dicot stems are conjoint and openc) vascular bundles of monocot stem are Radial typed) When xylem and phloem are on the same radius of vascular bundle it is conjoint type
46. Phloem parenchyma is absent in most of the monocotyledons.
47. The cells of medullary rays, adjoining these intrafascicular cambium become meristematic and form the interfascicular cambium.
48. Which of the statements given below is not true about formation of annual rings in trees?
49. All tissues except epidermis and vascular bundles constitute the ground tissue.
50. Waxy layer that covers the surface of the leaf and reduces water loss:
51. Tracheids differ from other tracheary elements in:
52. Which of the following vascular bundles help in the formation of secondary xylem and phloem with the presence of cambium?
53. Select the correct option for following statement-I)Primary & Secondary phloem get crushed during secondary growthII) During secondary growth, primary xylem remains more or less intact
54. Which part of a flower produces pollen?
55. Sometimes a few epidermal cells in the vicinity of guard cells become specialized in their shape and size and are known as-
56. Endodermis cells are rich in
57. Identify the statement which is incorrect about Heart wood. It
58. Specialised epidermal cells surrounding the guard cells are called
59. Xylem in angiosperms consists of how many types of elements?
60. Which of the following statements is true about Sclereids?