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The mechanism by which water moves from ...

The mechanism by which water moves from roots to leaves is called.............

A

De Vries Cytoplasmic Streaming Theory

B

Munch's Presssure Flow Theory

C

Translocation of Solutes

D

Dixon's Theory of Cohesion

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CHETANA PUBLICATION-PLANT WATER RELATION-Exercise
  1. Root pressure is absent in .............

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  2. The absorbed water can rise to highest point by ........

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  3. The mechanism by which water moves from roots to leaves is called........

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  4. The force responsible for raising water in 100 ft tall plant is .........

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  5. Cohesive force of water is between .......

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

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

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

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  9. Which of the following is called necessary evil?

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

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  11. Transpiration occurs in ..........

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

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

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

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

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  16. Minimum transpiration is found in ..........

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  17. Wilting appears due to excessive............

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

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

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

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