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According to one vital force theory, asc...

According to one vital force theory, ascent of sap is due to acitve pulsation of innermost layer of cortex. This theory was give by
In plant 'transpiration pull' theory for ascent of sap was first proposed by

A

J.C. Bose

B

Dixon

C

Strasburger

D

Sachs .

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DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. The most widely accepted theory for ascent of sap in trees is

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  2. Water rises in the stem due to

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  3. According to one vital force theory, ascent of sap is due to acitve pu...

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  4. At what time, the stomatal transpiration is completely stopped

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  5. Upward movement of water through xylem is best explained by

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  6. The principal pathway of water translocation in angiosperms is

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  7. Cohesive force of water is due to

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  8. Ringing/girdling experiment was first performed by

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  9. During osmosis, water passes through a semipermeable membrane

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  10. Diffusion of water through selectively permeable membrane is

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  11. A higher plant cell covered with cutin and suberin is placed in water....

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  12. Water is absorbed from outside solution only when it is

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  13. Supply of excess fertilizer and watering of a grass lawn causes brown...

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  14. During absorption of water by roots , the water potential of cell sap ...

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  15. Plant cells kept in hypertonic solution will get

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  16. 0.1 M solution of a solute has a water potential of

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  17. The movement of free atoms from higher concentration to lower concentr...

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  18. In seed germination the first to occur is

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  19. Plosmolysis is due to

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  20. Mango dipped in concentration NaCl solution will

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