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When soils are deficient in oxygen and h...

When soils are deficient in oxygen and have high proportion of salts or toxic substances the process of active absorption

A

increases

B

remains unaffected

C

decreases

D

stops

Text Solution

Verified by Experts

The correct Answer is:
C
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. The influence of metabolic inhibitors on the process of passive absor...

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  2. The rate of water absorption is considered to be approximately equal t...

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  3. When soils are deficient in oxygen and have high proportion of salts o...

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  4. Root pressure occurs due to

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  5. To develop root pressure , energy is used to

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  6. Root pressure is maximum when

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

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

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  9. According to Dixon and Jolly's Cohesion Theory the channel for ascent...

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

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

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

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  13. In the given TS of root , what part A,B and C

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  14. Cohension transpiration pull theory operates in

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

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

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  17. Water lost by transpiration is

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

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

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  20. Sunken stomata are mainly seen in leaves of

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