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The osmotic pressure of the leaf cells i...

The osmotic pressure of the leaf cells is maximum in the afternoon, this shows relation with the

A

high rate of respiration

B

high rate of photosynthesis

C

high rate of fat metabolism

D

upward movement of water in plants

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The correct Answer is:
D
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. According to Dixon and Joly's Cohesion Theory the channel for ascent ...

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

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

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

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  5. Cohension transpiration pull theory operates in

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

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

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  8. Water lost by transpiration is

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

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

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  11. Sunken stomata are mainly seen in leaves of

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

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  13. Main function of lentical is

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

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  15. Transpiration in plants is

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  16. Transpiration from the plants would be most rapid when

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  17. When stomata open only at night they are called

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  18. Which of the following is not a function of transpiration ?

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  19. The high amount of malate in guard cells of open stomata accumulates b...

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  20. The lowest water potentials in the xylem are in the

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