PDF chapter test TRY NOW
1. Define transpiration.
a. Transpiration is not similar to evaporation.
b. The loss of water in the form of water vapour from the aerial parts of the plant body is known as transpiration.
c. Transpiration occurs through stomata.
2. Name the cell that surrounds the stoma.
a. Stomatal pore is surrounded by a kidney-shaped cell called a guard cell.
b. Guard cells help in regulating the rate of transpiration by opening and closing of stomata.
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