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The spraying of phenyl mercuric acetate ...

The spraying of phenyl mercuric acetate in leaves

A

increases transpiration

B

reduces transpiration

C

increases rate of photosynthesis

D

causes guttation

Text Solution

Verified by Experts

The correct Answer is:
B
Phenyl mercuric acetate is an antitranspirant. It covers the stomata asa film and resist the diffusion of water therefore, reduces the rate of transpiration. Other antitranspirants include Abscisic Acid (ABA) and aspirin.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-TRANSPORT IN PLANTS -Exercise
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  2. Osmotic pressure in the leaf cells is

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  3. Water entering root due to diffusion is part of

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  4. The movement of water from one cell of the cortex to the adjacent one ...

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

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  6. Some of the growth regulators affect stomatal opening. Closure of stom...

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  7. Which of the following is an effective adaptation for better gas excha...

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  8. The direction and rate of water movement from cell to cell is based on

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  9. Conversion of starch to organic acid is essential for

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  10. In guard cells when sugar is converted into starch, the stomatal pore

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  11. Meaningful girdling (Ringing) experiments cannot be done on sugarcane ...

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  12. Guttation is caused by

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  13. Water potential can be optained by

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  14. An innovative professor who wanted to gibe a live demonstratin of phys...

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  15. Mainly conductio of water in an angiosperm occurs through

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  16. Root system in a plant is well developed

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  17. In the terrestrial habitat which of the following factors affect tempe...

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  18. Basis of stomatal opening is A plant cell attains turgidity due to ...

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  19. Stomata in angiosperms open and close due to

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  20. The spraying of phenyl mercuric acetate in leaves

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