Question

Define transpiration​

Answer 1

Transpiration- Loss of water in the form of water vapour from the aerial parts like flowers, fruits, leaves, stems of living plants is known as transpiration.

• On the basis of presence of water presence that is minimum transpiration is found in xerophytes and maximum in mesophytes.

• Transpiration is absent in algai, fungi and in submerged aquatic plants.

• Curtis said "Transpiration is an essential evil." and another Scientist Steward said "Transpiration is an unavoidable evil".

• Transpiration may occur through stomata known as stomatal transpiration.

•Transpiration may occur through cuticle known as cuticular transpiration.

•It may also occur through lenticels known as lenticular transpiration.

Answer 2

$\huge\textbf\green{Transpiration}$

The action of extracting unnecessary water from the body in the form of vaporis called transpiration.

$\textbf\green{Additional-information:-}$

• Plants are used only in the body, only a fraction of the water that absorbs the water from the soil.

• Most of the remaining water is taken out of the body in the form of vapor by the plants.

• This action in plants is called transpiration.

• The rate of transpiration can be measured by a machine. This instrument is called potometer.