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Element involed in stomatal regulation, ...

Element involed in stomatal regulation, its opening and closing is

A

Zinc

B

Magnesium

C

Potassium

D

Iron.

Text Solution

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The correct Answer is:
C
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DINESH PUBLICATION-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. In hot summer day, plant cooling occurs due to

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  2. Conversion of starch to organic acids is required for

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

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

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

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

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

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  8. Roots hairs occur in the zone of

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  9. Root cap has no role in water absorption because

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  10. Root pressure is maximum at the time of

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  11. Path of water movement from soil to xylem is

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  12. In soli, the water available for root absorption

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  13. Rate of Water absorption can be increased through

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

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

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  16. Water rises in the stem due to

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

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

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  19. Upward movement of water through xylem is best explained by

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  20. The principal pathway of water translocation in angiosperms is

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