The rate of transpiration _________ if the temperature is high.

increases

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decreases

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reamains constant

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cannot be determined

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Solution

The correct option is A increases

Transpiration helps in the cooling the plants and and enables flow of mineral nutrients and water from roots to different parts of the plant.

The rate of transpiration is determined by various factors which include temperature, sunlight, wind, and humidity.

Transpiration occurs more rapidly at higher temperatures as the water evaporates more rapidly at higher temperatures.

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Similar questions

The rate of transpiration is more when

(a) atmosphere is dry

(b) temperature is high

(d) atmosphere is dry and temperature is high

Give suitable explanation for the following :

(a) A higher rate of transpiration is recorded on a windy day rather than on a calm day.

(b) Excessive transpiration results in the wilting of the leaves.

(d) More transpiration occurs from the lower surface of a dorsiventral leaf.

(e) Cork and bark of trees help in preventing loss of water.

(f) Perspiration and transpiration help to cool the body temperature of the organism.

(g) On a bright sunny day, the leaves of certain plants roll up.

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