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Test for Sunlight

Increase in r...

Question

Increase in __________ results in the decrease of transpiration.

A

temperature

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B

sunlight

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C

atmospheric pressure

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D

carbon dioxide

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Solution

The correct option is D
carbon dioxide

The increase in carbon dioxide results in the decrease of transpiration. Increase in $C O_{2}$ level in the air over normal 0.03% causes stomatal closure and results in the decrease of transpiration.

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Similar questions

Q. An increase in the amount of carbon dioxide in the atmosphere results in a decrease in global temperature.

Q. Assertion: When pressure is decreased, the solubility of carbon dioxide decreases in a soft drink.

Reason: The solubility of a gas generally increases with an increase in temperature.

The increase of carbon dioxide gas in atmosphere will cause:

(a) decrease in temperature

(b) increase in temperature

(c) no change in temperature

(d) increase in humidity.

Q. Which of the following factors are responsible for the change in state of solid carbon dioxide when kept exposed to air ?
(i) increase in pressure
(ii) increase in temperature
(iii) decrease in pressure
(iv) decrease in temperature

(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (ii) and (iv)

Q. Assertion : Carbon dioxide and water can be separated by using a method known as chromatography.
Reason : Chromatography is a method of separation based on the principle that the solubility of a gas in a liquid decreases with increase in temperature.

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