Question

Explain with the help of activity opening and closing of stomatal pores

Answer 1

Answer:

Opening and closing of stomata is controlled by concentration of solutes in the guard cell. ... This makes the water from the guard cells to move away into neighbouring cells. Now, guard cells become flaccid with no water. They collapse against each other and result in the closing of stomata.

Answer 2

tiny pores present on the surface of the leaf .

massive amount of gaseous exchange take place in the leaves through these four for the purpose of photosynthesis .

but it is important to note here the exchange of gases occur across the surface of stem root and leaf Israel .