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Which of the following statement are not...

Which of the following statement are not true?
(a) In CAM plants, stomata open during dark and remain closed during the day.
(b) Role of `Na^(+)` in stomatal opening is now universally accepted.
(c) Water potential of root cells is higher than water potential of soil.
(d) Capillarity theory most accepted theory of water movement through plants.
(e) Wall of xylem vessels made up of lignocelluloes has strong affinity for water molecules.

A

b,c and e

B

b,c and d

C

a, b and c

D

b and c

Text Solution

Verified by Experts

The correct Answer is:
B

In CAM plants, stomata open during dark and remain closed during the day.
Role of `K^(+)` in stomatal opening is now universally accepted.
Water potential of root cells is lower than water potential of soil.
Cohesion-tension transpiration pull model is most accepted theory of water movement through plants.
Wall of xylem vessels made up of lignocellulose has strong affinity for water molecules.
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A2Z-TRANSPORT IN PLANTS-Section - C Previous Years' Examination Questions (NEET/AIPMT Questions)
  1. The most widely accepted theory for ascent of sap in trees is

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  2. Water avbsorbed by root in order to meet the requirement of transpirat...

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  3. Which of the following statement are not true? (a) In CAM plants, st...

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  4. Water column does not rupture during ascent in tracheary elements due ...

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  5. Which of the following is used to determine the rate of transpiration ...

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  6. Most water flow in root occurs via apoplast as

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  7. For the same amount CO(2) fixed s C(4) plant, in comparison with a C(3...

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  8. In the cell walls of the guard cells, cellulose microfibrils are orien...

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  9. Which of the following is done during ringing experiment

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  10. Attraction of water molecules to polar surfaces is known as

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  11. Which of the following is not the purpose of transpiation?

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  12. Compared to 1M sucrose solution, the Psi(omega) of 1M sodium chloride ...

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  13. Which of the following factors is most important in regulation of tran...

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  14. Cohesion theory of ascent of sap was proposed by

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  15. The force responsible for raising water in 100 ft tall plants is

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  16. Stomata open when guard cells swell due to

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  17. Stomatal opening and closing is due to

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  18. Which of the following is a rapid type of water absorption?

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  19. Which is not directly connected with ascent fo sap?

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  20. Tracheide are less efficient than vessels due to

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