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What causes opening of stomata...

What causes opening of stomata

A

Thin wall of guard cell facing stomatal pore is stretched more, curves in and pore opens

B

Thick wall of guard cell facing stomatal pore is stretched more, moves in and pore opens

C

As thin wall of guard cell is stratched less, the guard cell well facing the stomatal pore moves in and pore opens

D

Thick wall of guard cell facing the stomatal pore is stretched less, moves in and the pore opens.

Text Solution

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The correct Answer is:
D
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DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Apoplast is the system of adjacent cell walls that is continuous throu...

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  2. A negative effect of transpiration is

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  3. What causes opening of stomata

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  4. Movement of water from higher water potential to lower water potential...

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

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

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

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  8. Tracheids are less efficient than vessels due to

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  9. Difference between osmotic pressure and turgor pressure is

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  10. Whose water potential is less then water potential of root hair during...

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  11. Water potential of water is not affected by

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  12. Accumulation of which one of the following acids results in closure of...

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  13. 2% NaCl as compared to 18% glucose solution is

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  14. Active absorption of water by roots from the soil is mainly affected ...

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

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  16. Which one of the following is not an antitranspirant

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

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  18. Which of the following get accumlated in vacuoles of guard cells duri...

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  19. Stomatal opening is influenced by

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  20. Given below are assertion and reason .Assertion . Water entering a pla...

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