Transpiration will be fast when the day is .

hot and humid

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hot and dry

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cold and humid

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cold and dry

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Solution

The correct option is B hot and dry
Transpiration depends on various factors like temperature, humidity, sunlight and atmospheric pressure. When there is more humidity transpiraton will be less. When the temperature is high, transpiration will be fast as more water evaporates due to stomata opening frequently.

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Similar questions

Transpiration will be fastest when the day is

(a) cool, humid and windy

(b) hot, humid and still

(d) hot, dry and windy

The rate of transpiration is more when

(a) atmosphere is dry

(b) temperature is high

(d) atmosphere is dry and temperature is high

Compared to a dry day, how would the rate of transpiration be affected on a humid day?

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