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Stomatal opening and closing is due to...

Stomatal opening and closing is due to

A

Change in turgidity of guard cells

B

Celludose microfibrils of guard cells are oriented radially

C

The inner wall of each guard cell is thick and elastic

D

All of the above

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The correct Answer is:
D
D
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A2Z-TRANSPORT IN PLANTS-Section - C Previous Years' Examination Questions (NEET/AIPMT Questions)
  1. The force responsible for raising water in 100 ft tall plants is

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  2. Stomata open when guard cells swell due to

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  3. Stomatal opening and closing is due to

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

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

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  6. Tracheide are less efficient than vessels due to

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  7. Difference between osmotic pressure and turgor pressure is

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

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  9. Which is not antitranspirant?

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

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  11. Stomatal opening is influenced by

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

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  13. phloem sap is mainly made of

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

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  15. Guttation differs from transpiration in

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

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

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

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

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  20. The mechanism in which the rate of the solute movements increases by i...

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