Question 28
Transport in PlantsWhich of the following treatments would increase the rate of transpiration in a potted plant?
- A.Placing it in a cold room
- B.Placing it under a fan in a room
- C.Putting it in a cupboard
- D.Smearing grease on the lower surface of the leaves
Show the answer and explanation
Answer: B (Placing it under a fan in a room)
Explanation
A fan blows away the humid air around the leaves, keeping the diffusion gradient steep, so water vapour is lost faster.