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Root pressure is maximum when...

Root pressure is maximum when

A

absorption is high but transpiration is low

B

absorption is high but transpiration is high

C

both absorption and transpiration is high

D

both absorption and transpiration is low.

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The correct Answer is:
A
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Root pressure occurs due to

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  2. To develop root pressure , energy is used to

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  3. Root pressure is maximum when

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  4. When aerial parts of a plant are cut the sap exudes from the root with...

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  5. The energy source that mainly drives the upward flow of water is

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  6. According to Dixon and Joly's Cohesion Theory the channel for ascent ...

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  7. In a branch cut from a rapidly transpiring plant , water snaps away fr...

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  8. The osmotic pressure of the leaf cells is maximum in the afternoon, th...

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  9. Root pressure does not take an active part in the ascent of sap becaus...

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  10. Cohension transpiration pull theory operates in

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  11. Which contributes most to the transport of water from the soil to the ...

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  12. Movement of H(2)O through cell wall is called

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  13. Water lost by transpiration is

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  14. Cobalt chloride is blue in anhydrous state . In contact with water va...

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  15. Which of the following amphistomatous leaves would dry up last ?

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  16. Sunken stomata are mainly seen in leaves of

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  17. In terrestial habitats , temperature and rain fall conditions are in...

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  18. Main function of lentical is

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  19. Apart from stomata through which other way can oxygen enter the plants...

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  20. Transpiration in plants is

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