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Osmosis involves the physiological proce...

Osmosis involves the physiological processes that

A

maintain shape of the plant

B

maintain growth of young cells

C

maintain turgor of guard cells

D

all of the above

Text Solution

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The correct Answer is:
D
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ICSE-TRANSPORT IN PLANTS -TEST YOUR PROGRESS (OBJECTIVE TYPE QUESTIONS )
  1. The free energy per mole of any substance in a chemical system is know...

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  2. When a cell is placed in 0.5 M solution of salt and no change in the v...

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  3. Osmosis involves the physiological processes that

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  4. The relationship between osmotic pressure, turgor pressure and wall pr...

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  5. Which one of the following plants absorbs water from the atmosphere?

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  6. An example of selectively permeable membrane is:

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  7. If a potato tuber is placed in a concentrated sugar solution:

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  8. Exudation

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  9. In scotoactive opening, stomata remain open during (a) day (b) night...

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  10. Stomata open at night and close during day in (a) succulents (b) ...

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  11. Water potential is affected by: (a) osmotic potential (b) matric po...

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  12. Stomata are usually open (a) at night, when the plant requires a suppl...

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  13. What role cohesion and adhesion play in xylem transport? (a) Like tran...

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  14. The lon involved in stomatal movement is:

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  15. What is the action spectrum of transpiration? (a) Blue and infra red ...

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  16. Flowers cut under water remain fresh for a long time because :

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  17. Opening and closing of stomata is due to the : -

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  18. Transpiration may be :

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  19. In a fully turgid cell, what is equal to zero? (a) Turgor pressure (...

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  20. Energy source responsible for upward flow of water is: (a) sun energy ...

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