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Which one gives the most valid and recen...

Which one gives the most valid and recent explanation for stomatal movement?

A

Guard cell photosynthesis

B

Transpiration

C

Potassium influx and efflux

D

Starch hydrolysis

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-TRANSPORT IN PLANTS -Assignment (Section C) Previous Year Questions
  1. Transpiration and root pressure cause water to rise in plants by

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  2. In a ring girdled plant :

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  3. Which one gives the most valid and recent explanation for stomatal mov...

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  4. Which of the following criteria does not pertain to facillatated trans...

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  5. Lenticels are involved in

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  6. Guttation is the result of

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  7. Which one of the following structures between two adjacent cells is an...

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  8. Given below is the diagram of a stomatal apparatus . In which of the f...

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  9. Guard cells help in

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  10. The rupture and fractionation do not usualy occur in the water column ...

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  11. Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, ...

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  12. The translocation of organic solutes in sleve tube membres is supportt...

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  13. Potometer works on the principle of

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  14. When water enters in roots due to diffusion, it is termed as

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  15. When water moves through a semipermeable membrane, which of the follow...

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  16. When a cell is fully turgid, which of the following will be zero The...

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  17. If turgidity of a cell surrounded by water increases, the wall pressur...

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  18. Water potential and osmotic potential of pure water are

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  19. Stomatal opening is affected by

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  20. Which of the following statement is not true for stomatal apparatus

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