Q.Fill in the blank: Rate of transpiration is measured by ______.

Rate of transpiration is measured using a potometer.

Transpiration is the loss of water in the form of vapour from the aerial parts of a plant, chiefly through the stomata. The rate at which a shoot takes up water (which closely reflects the transpiration rate) is measured with a potometer. As water evaporates from the leaves, the plant pulls water up through the appar …