Question

Transpiration is best defined as

• A. loss of water from the plant
• B. loss of water as vapour from the plant
• C. evaporation of water from the surface of leaves
• D. None of the above

Answer 1

Answer: (C)

evaporation of water from the surface of leaves

Transpiration is defined as the evaporation of water from plants, especially leaves. It occurs through leaves and other parts of the plant. It happens through leaves while their stomata remains open for the passage of CO₂ and O₂ during photosynthesis.

So, the answer is option C.