Wednesday, August 31, 2011


Let see what is transpiration???

Polythene bag
A recently watered plant
Rubber bands

Keep the plant in direct sunlight.
Then cover the plant with polythene bag and tie the end near the base of the stem with the help of rubber band.
Leave it there for 3 to 4 hours.

Observe: You will observe tiny droplets inside the polythene bag!

What is happening??
This happens because of transpiration! What is transpiration? The process of giving out extra water by plants in the form of water vapour is known as transpiration! The water is given out by leaves.

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