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Class 11 Biology Chapter 6 Anatomy Of Flowering Plants Quiz 13 (24 MCQs)

Quiz Instructions

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1. 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
2. Which of the cell is non-living and without protoplast?
3. 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-
4. Secondary growth occurs due to activity of-
5. Age of a tree can be estimated by:
6. Which one of the following is not a lateral meristem?
7. Secondary tissues are produced by all except-
8. What type of cells make up the majority of the plant's ground tissue and are involved in photosynthesis and storage of nutrients?
9. During formation of leaves and elongation of stem, some cells 'left behind' from the shoot apical meristem, constitute .....
10. Assertion:Intercalary meristems increase length of plant like apical meristems.Reason:It originates from the apical meristems.
11. A monocot root is characterized by vascular bundles that are closed as well as
12. Which of the following characters are not applicable to the anatomy of dicot stem-I) collenchymatous hypodermis, II)polyarch xylemIII) presence of casparian strips on endodermisIV)open vascular bundlesV) presence of medullary rays
13. Complex tissue comprises-
14. In leaves, the ground tissue consists of thin-walled chloroplast containing cells and is called mesophyll.
15. Bulliform or motor cells are present in
16. Select the option which includes correct statements.a) When bulliform cells are flaccid, they make the leaves curl inwards to minimize water loss.b) In dicot leaves, the size of the vascular bundles is dependent on the size of the veins.c) The adaxial epidermis bears more stomata than the abaxial epidermis in dicot leaves.
17. Angiospermic xylem consists of-
18. Seive tubes are used for the translocation of food because they posses-
19. Abaxial surface of the leaf usually bears-
20. COMPLEX PERMANENT TISSUE FOUND IN
21. Meristem helps in-
22. Mature male or female sex cell which is able to unite with another of the opposite sex in sexual reproduction
23. Which of the following is responsible for the formation of pericycle, vascular bundles, and pith in dicot root?
24. Which one of the following is a correct combination of the characteristics of meristematic tissue?a) They are undifferentiated tissuesb) Secondary cell wall is absentc) Cells are small and isodiametricd) Have dense cytoplasme) Plastids are always presentf) Have large intercellular spaces
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