Question

Assertion : During transpiration the evaporating water carries away heat energy. Reason: Due to water loss the osmotic pressure inside leaves increases.​

Answer 1

Answer:

Both A and R are true but R is not the correct explanation of A

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Answer 2

Both assertion and reason are true but the reason is not correct explaination of assertion.

Explanation:

Assertion:

* Transpiration is the process of evaporation through leaf stomata.

* When water is lost from leaf stomata certain amount of heat is also lost with it.

* Thus it cool off the plant and also helps in further process of transportation.

Reason:

* When water is lost through transpiration process the concentration of solutes inside th vessel increases.

* This increase in concentration of solute causes increase in osmotic pressure which ultimately helps in transportation of water upwards in xylem.