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The energy source that mainly drives the...

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

A

light

B

sucrose

C

solar heat

D

glucose

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The correct Answer is:
C
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. Root pressure is maximum when

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

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

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

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

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

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

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  8. Cohension transpiration pull theory operates in

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

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

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  11. Water lost by transpiration is

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

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

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  14. Sunken stomata are mainly seen in leaves of

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

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  16. Main function of lentical is

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

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  18. Transpiration in plants is

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  19. Transpiration from the plants would be most rapid when

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  20. When stomata open only at night they are called

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