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Stomata open when guard cells swell due ...

Stomata open when guard cells swell due to

A

Decreased water potential

B

Increased water potential

C

Endosmosis by efflux of `K^(+)` ions

D

Endosomosis by influx of hydrogen ions

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The correct Answer is:
A
Stomatal open when guard cells swell due to decreased water potential.
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A2Z-TRANSPORT IN PLANTS-Section - C Previous Years' Examination Questions (NEET/AIPMT Questions)
  1. Cohesion theory of ascent of sap was proposed by

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  2. The force responsible for raising water in 100 ft tall plants is

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  3. Stomata open when guard cells swell due to

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  4. Stomatal opening and closing is due to

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  5. Which of the following is a rapid type of water absorption?

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  6. Which is not directly connected with ascent fo sap?

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  7. Tracheide are less efficient than vessels due to

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  8. Difference between osmotic pressure and turgor pressure is

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  9. The space between plasma membrane and cell wall of a plasmolysed cell ...

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  10. Which is not antitranspirant?

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  11. The process by which water is absorbed by solid like colloids causing ...

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  12. Stomatal opening is influenced by

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  13. Which of the following is not a purpose of transpiration

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  14. phloem sap is mainly made of

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  15. Force generated by transpiration can create pressure sufficient to lif...

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  16. Guttation differs from transpiration in

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  17. The ability to rise in thin tubes and Ability to resist a pulling forc...

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  18. The osmotic expanison of a cell kept in water is chiefly regulated by

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  19. The hydrostatic pressure developed inside the cell on the cell wall du...

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  20. In nature, the orchid seeds germinate only in association with

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