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Root hairs absorb water when...

Root hairs absorb water when

A

They respire rapidly

B

Soil solution is isotonic

C

Salt concentration of cell sap is high

D

Salt concentration of soil is high

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The correct Answer is:
C
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SANTRA PUBLICATION-TRANSPORT IN PLANTS -A. MULTIPLE CHOICE QUESTIONS (MCQ)
  1. Active K^(+) exchange mechanism of opening and closing of stomata was ...

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  2. The lowest water potential is found in the xylem channels of

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  3. Root hairs absorb water when

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  4. In floating leaves like Nymphaea and Nelumbo leaves are

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  5. Apple mulberry types of leaves are

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  6. Due to low atmospheric pressure , the rate of rate of transpiration

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  7. In guard cells when sugar is converted into starch , the stomatal pore

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  8. Dumb - bell shaped guard cells are found in

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  9. Plant - cooling occurs due to

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  10. With increase in turgidity of a cell surrounded by water the wall pres...

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  11. The rate of absorption of water is slow at temperature near freezing p...

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  12. If cohesion tension transpiration theory is correct then a break in wa...

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  13. When a bottle of perfume is placed at one corner of room and the lid i...

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  14. What will be the nature of sugar nature of sugar solution if the cell ...

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  15. Endosmosis of water occurs when in compared with outer solution, the w...

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  16. If alcohol treated cell is kept in Hypertonic solution

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  17. The osmotic potential of a solution is denoted by the symbol

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  18. In the process of osmosis

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  19. For the same amount of CO(2) fixed , a C(4) plant as compared to C(3) ...

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  20. In cell wall of guard cells, cellulose microfibrils are arranged

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