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In hot summer day, plant cooling occurs ...

In hot summer day, plant cooling occurs due to

A

Transport of water from root to all parts of the plant

B

Loss of liquid water

C

Water loss from entire plant

D

Loss of water vapours from foliar surface.

Text Solution

Verified by Experts

The correct Answer is:
D
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DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. In most of the thin leaf mesophytes, the leaf stomata open during day ...

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  2. Rate of transpiration is dependent upon

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  3. In hot summer day, plant cooling occurs due to

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  4. Conversion of starch to organic acids is required for

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  5. Element involed in stomatal regulation, its opening and closing is

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  6. At constant temperature, the rate of tranpiration will be higher at

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

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  8. Guttation occurs in well watered herbaceous plants of well drained soi...

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  9. Water will be absorbed by root hairs when the external medium is

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  10. Roots hairs occur in the zone of

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  11. Root cap has no role in water absorption because

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  12. Root pressure is maximum at the time of

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  13. Path of water movement from soil to xylem is

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  14. In soli, the water available for root absorption

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  15. Rate of Water absorption can be increased through

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  16. Water in plants is transported by or ascent of sap take place through

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

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  18. Water rises in the stem due to

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

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

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