Question

What will happen to tha leaf if its lower surface is covered with grease?

Answer 1

Answer:

defussion exchange of gases will blocked

Answer 2

Answer:diffusionof gases and more than 75% transpiration be stopped.

Explanation:

As stomata are present underneath the leaf so if grease is applied then the stomatal pores will be blocked thus resulting in the prevention of diffusion of gases and transpiration.