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Stomata open when guard cells swell due ...

Stomata open when guard cells swell due to

A

Decreased warter potential

B

Increased water potential

C

Endosmosis by effux of K^(+)ions

D

Endosmosis by influx of hydrogen ions.

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The correct Answer is:
A
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DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
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  2. Water column does not repture during ascent in tracheary elemants due...

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  3. Stomata open when guard cells swell due to

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  4. Transpiration facilitates

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  5. An RBC and a plant cell having same O.P. are placed in distilled water...

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  6. Which of the following would be in insignificant amount in xylem sap

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  7. Which pathway involves cell wall and intercellular spaces?

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  8. Efflux of K^(+) and Cl'will cause

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  9. Water potential increases due to

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  10. Most of the water flow in the root takes place via the apoplast becaus...

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  11. For the same amount CO(2) fixed s C(4) plant, in comparison with a C(3...

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  12. In the cell walls of the guard cells, cellulose microfibrils are orien...

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  13. Grahm's law is connected with

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  14. Select the correct events leading to the opening of the stomata (i) ...

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  15. Water potentials of pure water and its soultion are

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  16. Bacteria cannot survive in a highly salted pickle because

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  17. What happens when concentration of solutes decreses in guard cells

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  18. Force of cohesion develops due to

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  19. Major loss of water in transpiration occurs through

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  20. Osmotic potential and pressure potential of three cells , a,b,s locate...

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