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Accumulation of which one of the followi...

Accumulation of which one of the following acids results in closure of stomata

A

Malic acid

B

Aspartic acid

C

Phosphoenol pyruvic acid

D

Oxalacitic acid

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The correct Answer is:
A
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MODERN PUBLICATION-TRANSPORT IN PLANTS-COMPETITION FILE (MULTIPLE CHOICE QUESTIONS)
  1. Cell A has osmotic potential of -18 bars and pressure potential of 8 b...

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  2. In the leaves, veins are useful for

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

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  4. Which one of the following is not a characteristic of active transport...

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  5. Water in the soil available to plants is :

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  6. When a cell is plasmolysed, it becomes

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  7. The factor, most important in regulating transpiration, is

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

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  9. Select the correct statement

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  10. Phloem sap is mainly made of

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

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  12. Which growth hormone is asscoiated with stomatal movemants

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  13. Consider the following statements with reference to facilitated transp...

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

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  15. Osmotic pressure of pure water is

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  16. When turgidity is lost in guard cells the stomatal pore

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

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  18. The phenomenon of water moving out of cell an plasma membrane shrinkin...

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  19. In a plant cell DPD is zero when it is ………..

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  20. The number of stomatal pores per cm^(2) of leaf surface are in the ran...

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