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The trichomes may be branhed or unbranch...

The trichomes may be branhed or unbranched and soft or stiff.They may even by secreatory .The trichomes hep in

A

Loss of water due to transpiration

B

Absorption of water and minerals

C

Preventing water loss due to transpiration

D

Transpiration and gaseous exchange

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The correct Answer is:
C
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PHYSICS WALLAH-ANATOMY OF FLOWERING PLANTS-LEVEL-II
  1. What is the characteristics of a vascular bundle of monocot stem -

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  2. A monocot root differs from dicot root in which of the following?

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  3. The trichomes may be branhed or unbranched and soft or stiff.They may ...

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  4. Match the columns and find out the correct combination:

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  5. In the isobilateral leaf

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  6. Polyarch and exarch vascular bundles are the characteristic of-

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  7. Which of the following is not true about 'selereids'?

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  8. In respect of many grasses, the presence of bulliform or motor cells i...

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  9. Spring wood (early wood) differs with autumn wood (late wood) in-

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  10. Select true statements :- (a) Lenticels are absent in climbers and l...

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  11. In dicot root which tissue becomes dead due to activity of phellogen

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  12. Match the following columns.

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  13. Common features between lenticles and hydathodes are

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  14. Secondary growth in dicots and gymnosperms occurs by

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  15. As a tree grows very old, which of the following increases more rapidl...

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  16. When secondary growth in thickness is initiated in a dicot root, which...

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  17. A stem-boring beetle has laid its eggs in the center 5-year-old wood t...

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  18. Passage cells are thin walled cells found in

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  19. Which of the following statement(s) is/are true about parenchyma?

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  20. Which of the following tissue provides mechanical support of the growi...

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