CBSENEETClass 10

What is transpiration?

Answer

Transpiration is the loss of water in the form of water vapour from the aerial parts of a plant, mainly through the stomata of leaves.

The working

Definition

Water absorbed by roots evaporates from the leaf surface as vapour, chiefly through tiny pores called stomata.

Functions

It helps in the upward movement of water and minerals (transpiration pull) and cools the plant.

Factors

The rate depends on temperature, humidity, wind speed and light intensity.

Exam point

Transpiration pull is the main force that draws water up tall plants against gravity.

Searched about 11,000 times a month in IndiaSolve a similar doubt →

Stuck on something else?

Type your own doubt into the solver and get the full working in seconds — free, for physics, chemistry, maths and biology.

Open the solver

Related doubts