Question

The transpiration in plants will be lowest when:

• A. There is high humidity in the atmosphere.
• B. There is excess of water in the cell.
• C. The environmental conditions are very dry.
• D. The wind velocity is very high.

Answer 1

The correct option is A There is high humidity in the atmosphere.

The loss of water in the form of vapour from the aerial parts of the plant is known as transpiration. Transpiration in plants will be lowest when there is high humidity in the atmosphere.