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Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 7 (25 MCQs)

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1. The activity of cambium is under the control of-
2. In an Isobilateral leaf, the stomata are present on both the surfaces of the epidermis.
3. Which of the following is made up of dead cells?
4. Casparian strips occur in
5. These convert energy from sunlight into food for the plant through a chemical process called photosynthesis.
6. In monocot stems, secondary growth cannot occurbecause vascular bundles are
7. All of the following statements are incorrect for guard cells, except
8. Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following:
9. 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?
10. Assertion:Vascular bundle of monocot stem is conjoint. Reason:Vascular bundle of monocot stem are open and phloem parenchyma is absent
11. Growth in plants is largely restricted to specialised regions of active cell division called
12. 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.
13. The root hair is produced from
14. Vascular bundles in dicot stem are
15. The following statements are related to Phloem. Which statement do you think is incorrect?
16. Which of the following statements about cork cambium is incorrect?
17. 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
18. 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.
19. 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
20. Phloem parenchyma is absent in most of the monocotyledons.
21. The cells of medullary rays, adjoining these intrafascicular cambium become meristematic and form the interfascicular cambium.
22. Which of the statements given below is not true about formation of annual rings in trees?
23. All tissues except epidermis and vascular bundles constitute the ground tissue.
24. Waxy layer that covers the surface of the leaf and reduces water loss:
25. Tracheids differ from other tracheary elements in:
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