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In the mechanism of opening of stomata, ...

In the mechanism of opening of stomata, the important factor is

A

shape of the guard cells

B

chlorophyll contents of the cell

C

hormone contents of the cell

D

protein contents of the cell

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The correct Answer is:
A
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ARIHANT NEET-TRANSPORT IN PLANTS -Chapter exercises A. Taking it together (Assorted Questions of the Chapter for Advanced Level Practice )
  1. Guard cells cannot assimilate food, because of the absence of

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  2. Starch gets converted into glucose in guard cells, when

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  3. In the mechanism of opening of stomata, the important factor is

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  4. Common between guard cells and mesophyll cells is

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  5. According to Steward, ATP is used in stomatal mechanism during

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  6. According to Sayere and Scarth, the opening and closing of stomata is ...

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  7. The lower surface of leaf will have more number of stomata in a

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  8. Increase in CO(2) concentration around leaf results in

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  9. Which of the following is responsible for the closing of stomata ?

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  10. In mesophytes, maximum transpiration occurs through

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  11. Plants growing on hills show

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  12. Which one of the following will not directly affect transpiration?

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  13. Maximum transpiration occurs in

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  14. Transpiration is minimised by the deposition of

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  15. If a mesophytic plant is taken from Delhi to Mussorie, its transpirati...

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  16. The most important factor affecting transpiration in a negative way is

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  17. For guttation and bleeding in plants, the process responsible is

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  18. Gradient of pressure has been regarded as a possible mechanism for foo...

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  19. Supply ends in transport of solutes are

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  20. Sugar moves from leaves into the of by .

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