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Transpiration- cohesion - tension theory...

Transpiration- cohesion - tension theory operates in ............

A

Active absorption

B

passive absorption

C

both active and passive

D

none of these

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CHETANA PUBLICATION-PLANT WATER RELATION-Exercise
  1. The force responsible for raising water in 100 ft tall plant is .........

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  2. Cohesive force of water is between .......

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  3. Transpiration- cohesion - tension theory operates in ............

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  4. Rate of water absorption can be increase through ........

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  5. Rate of water absortion is slow near freezing point because ..........

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  6. Which of the following is called necessary evil?

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  7. "Transpiration is a necessary evil" was given by .... .....

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  8. Transpiration occurs in ..........

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  9. In plants, the process of transpiration helps in ..........

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  10. In lenticular transpiration, loss of H2O in the form of water vapour i...

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

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

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  13. Minimum transpiration is found in ..........

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  14. Wilting appears due to excessive............

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

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

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

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

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

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

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