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Ascent of sap is...

Ascent of sap is

A

Cohesion-tension theoty of Dixon and Joly

B

Starch-Suger interconversion

C

Photosynthesis

D

None of the above

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The correct Answer is:
A
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Ascent of sap in herbs is due to

Ascent of sap in tall trees is helped by

According to one vital force theory, ascent of sap is due to active pulsation of innermost layer of cortex. This theory was given by or In plant 'transpiration pull' theory for ascent of sap was first proposed by (a) J.C. Bose (b) Dixon (c) Strasburger (d) Sachs

Pulsation theory of ascent of sap was proposed by

Cohesion/transpiration pull theory of ascent of sap was proposed by

Which is not associated with ascent of sap in tall trees

The most widely accepted theory for ascent of sap in trees is

Describe three factors responsible for the process of ascent of sap in plants

[A]: Root pressure is largely responsible for ascent of sap in harbaceous plants. [R]: Root pressure develops due to DPD & is maintained by the living cells.

Fill in the blanks : Ascent of sap takes place through ..... ............. .

DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Cohesion/transpiration pull theory of ascent of sap was proposed by

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

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  3. Ascent of sap is

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  4. Water supply in the plant is due to

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  5. The principle by which blotting paper absorbs water is (a) Capillary ...

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  6. If cohesion-tension transpiration pull theory is correct, a break in w...

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  7. Plant cells dipped in distilled water will become (a) Turgid (b) Pl...

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  8. To initiate cell plasmolysis, salt solution should be

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  9. Water potential and osmotic potential of pure water are respectively

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  10. If a cell A with OP 10 bars and TP 4 bars is connected to cells, B, C...

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  11. Excessive supply of chemical fertilizers often causes wilting/death of...

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  12. Osmotic potential is depicted as

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  13. Potato slices were placed in sucrose solution . After half an hour, d...

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  14. A cell will become fully turgid if it is placed in

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  15. Dry wooden stakes in cracks of a rock and soaked will develop pressure...

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  16. Cells absorb water through

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  17. In plasmolysis, a plant cell

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  18. A cell placed in hypotonic solution will

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  19. A plant cell shrinks when it is kept in a

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  20. Assertion : Shrinkage of the protoplast of a cell occurs under the inf...

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