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Which of the following statement is corr...

Which of the following statement is correct regarding antiport system ?

A

It allows diffusion of one molecule

B

It allows diffusion of two molecules in opposite direction

C

It allows diffusion in one direction

D

It allows diffusion of two molecules in single direction

Text Solution

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The correct Answer is:
B
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ARIHANT NEET-TRANSPORT IN PLANTS -Chapter exercises A. Taking it together (Assorted Questions of the Chapter for Advanced Level Practice )
  1. Downward flow of organic and even some inorganic solutes takes place f...

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  2. Mark the mismatched pair.

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  3. Which of the following statement is correct regarding antiport system ...

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  4. Based on the figure given below which of the following statements is n...

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  5. If salt is present in higher concentration in a cell than

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  6. A thin slice of sugarbest, when placed in a sconentrated solution of s...

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  7. Bacteria cannot survive in a highly salted pickle because

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  8. Which of following statements does not apply to reverse osmosis?

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  9. During osmosis, water moves through a semipermeable membrane

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  10. If the cell wall is elastic instead of being rigid and if the cell is ...

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  11. When a cell is kept in 0.5 M solution of sucrose its volume does not a...

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  12. If cell A with DPD-5 atm is surrounded by many cells with DPD-4 atm.

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  13. Absorption of water by roots is increased when

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  14. What will happen when cut end of the shoot is dipped in eosin dye solu...

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  15. Ringing experiment cannot be performed in monocot plants because

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  16. A tree girdled up to xylem may survive for sometime, but ultimately di...

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

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  18. Which of the following conditions help in opening of stomata ?

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  19. What is the correct labelling of the following figure ?

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  20. Which of the following statement is correct ?

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