Question

2. Why the number of stomatas present on upper surface of a leaf are comparetively less
than on the lower surface of leaf?​

Answer 1

Answer:

this is in order to reduce the rate of transpiration

Explanation:

plant cannot afford to loose so much water! infact, the water absorbed by plant is equal to water lost through transpiration. hence to reduce this water loss, upper surface has less number of stomata!

thanks !