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The rate of transpiration is practically...

The rate of transpiration is practically nil during ............

A

50% relative humidity

B

60% relative humidity

C

100% relative humidity

D

0% relative humidity

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CHETANA PUBLICATION-PLANT WATER RELATION-Exercise
  1. In lenticular transpiration, loss of H2O in the form of water vapour i...

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  2. Which of the following is not a the type of transpiration ?

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  3. The rate of transpiration is practically nil during ............

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  4. Minimum transpiration is found in ..........

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  5. Wilting appears due to excessive............

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  6. Stomata in angiosperms open and close due to ........

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  7. Which of the following is the most likely cause for wider opening of s...

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  8. Transpiration pull will be maximum under which of the following condit...

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  9. In which of the following situation, the stomata transpiration exhibit...

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  10. In hypertonic solution, the water potential of a cell...........

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  11. A cell is plasmolyzed after being kept in a hypertonic solution. What ...

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  12. Water is absorbed when outside solution is ...........

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  13. Osmosis involves ........

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  14. Which of the following is against concentration gradient?

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  15. The pressure exerted by cell wall to balance the turgor pressure is ca...

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  16. If cells completely lack turgor pressure, they are said to be ...........

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  17. Larger molecules (bulk flow?) are taken into cell by ...............

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  18. Root hair will absorb water when external solution is........

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  19. Absorption of water involving the activity of root is called.............

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  20. Uptake of water at the expenses of metabolic energy is known as..........

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