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In guard cells when sugar is converted i...

In guard cells when sugar is converted into starch , the stomatal pore

A

Opens partially

B

Opens completely

C

Close completely

D

Remain unchanged

Text Solution

Verified by Experts

The correct Answer is:
C
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[A]: High pH in guard cells activate phosphorylase to convert starch into glucose 1- PO_4 . [R]: Stomata open when pH is low

SANTRA PUBLICATION-TRANSPORT IN PLANTS -A. MULTIPLE CHOICE QUESTIONS (MCQ)
  1. Apple mulberry types of leaves are

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  2. Due to low atmospheric pressure , the rate of rate of transpiration

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  3. In guard cells when sugar is converted into starch , the stomatal pore

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  4. Dumb - bell shaped guard cells are found in

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  5. Plant - cooling occurs due to

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  6. With increase in turgidity of a cell surrounded by water the wall pres...

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  7. The rate of absorption of water is slow at temperature near freezing p...

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  8. If cohesion tension transpiration theory is correct then a break in wa...

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  9. When a bottle of perfume is placed at one corner of room and the lid i...

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  10. What will be the nature of sugar nature of sugar solution if the cell ...

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  11. Endosmosis of water occurs when in compared with outer solution, the w...

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  12. If alcohol treated cell is kept in Hypertonic solution

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  13. The osmotic potential of a solution is denoted by the symbol

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  14. In the process of osmosis

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  15. For the same amount of CO(2) fixed , a C(4) plant as compared to C(3) ...

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  16. In cell wall of guard cells, cellulose microfibrils are arranged

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  17. Grahm's law is connected with

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  18. Water potential of pure water and its solution are

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  19. Bacteria cannot survive in highly salted pickle because

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  20. What happens when concentration of solutes decrease in guard cells?

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