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Assertion :- In plant cell, the cell mem...

Assertion :- In plant cell, the cell membrane and the membrane of vacuole, the tonoplast together are important determinants of movement of molecules in or out of the cell.
Reason:- Both cell membrane and tonoplast are selective permeable membranes.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false

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The correct Answer is:
A
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MOTION-TRANSPORT IN PLATS -EXERCISE -4
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  3. Assertion :- In plant cell, the cell membrane and the membrane of vacu...

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  4. Assertion :- The net direction and rate of osmosis depends on both pre...

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  5. Assertion :- Plamolysis occurs in hypertonic solution. Reason:- In h...

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  6. Assertion :- When a cell or tissue is placed in an isotonic solution, ...

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  7. Assertion :- Seedlings are able to emerge out of the soil into the ope...

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  8. Assertion :- Imbibition is dependent on diffusion and water potential ...

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  9. Assertion :- Long distance transport of substances within plant cannot...

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  10. Assertion :- Mass or bulk flow is different from diffusion. Reason:...

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  11. Assertion :- Apoplast, the system of adjacent cell walls is not contin...

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  12. Assertion :- Symplastic movement is relatively faster than apoplast. ...

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  13. Assertion :- Most of the water flow in major part of roots occurs via ...

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  14. Assertion :- Movement of water through xylem tracheids and vessels is ...

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  15. Assertion :- Root pressure is one of the positive pressure, which aris...

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  16. Assertion :- Root pressure does not account for majority of water tran...

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  17. Assertion :- Water uplifting in aerial parts of plant body have high t...

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  18. Assertion :- None of the xylem and phloem translocation is of exclusiv...

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  19. Assertion :- Food is transported by phloem from source to sink, primar...

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  20. Assertion :- Phloem translocation is bidirectional. Reason:- Source...

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