Question

One of the internal factors which affect the rate of transpiration, is

• A. sunken stomata
• B. Colour of the leaf
• C. big size of the leaf
• D. sunny day

Answer 1

The correct option is A sunken stomata

(c) sunken stomata​

• Transpiration is indirectly regulated by the opening and closing of stomata.​

• When the stomata are partially closed or completely sunken, transpiration reduces partially or completely.​

• So, the sunken stomata is an internal factor that can affect the rate of transpiration.