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Scotoactive movement of stomata is that...

Scotoactive movement of stomata is that

A

Stomata open at night

B

Stomata open during day

C

Stomata close at night

D

Stomata open both during day and night .

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The correct Answer is:
A
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DINESH PUBLICATION-TRANSPORT IN PLANTS-CHECK YOUR GRASP
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  3. Osmotic pressure of 0.1 M sucrose solution is -2.3 bars . What is the ...

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  4. plant imbibants are

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  5. A positively changed colloid will imbibe maximum at

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  6. Which one is used for measuring osmotic potential of living cells ?

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  7. In case T.P. is less than the mixmum W.P., the cell will

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  8. Osmotic pressure of a cell is zero when

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  9. Amount of water transpired can be known with the help of

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  10. In a well watered soil, the plant show loss of turgidity during noon. ...

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  11. Who proposed conversion of starch to suger during opening of stomata.

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  12. The pH which favours hydrolysis of starch in guard cells is

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  13. The hormone required for stomatal opening is

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  14. Potometer and porometer were invented by

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  15. Margins of mature colocasia leaves appear withered/necrotic due to

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  16. Cobalt chloride paper test for transpiration was developed by

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  17. The term root pressure was coined by

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  18. What prevent wall to wall (apoplast ) movement of absorbed water?

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  19. The structure pressent in endodermal cells of root which prevents apo...

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  20. A cell placed in hypertonic solution will

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  21. A water- logged soil often causes wilting of leaves due to

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