NEET BIOLOGY

Detailed explanation-1: -Stomata are minute pores present on the lower side of the leaves that help in the exchange of gases and water vapour. When the stomatal pores open the rate of transpiration increases, and when the pores are closed, the loss of water is reduced.

Detailed explanation-2: -Transpiration occurs through the stomatal apertures, and can be thought of as a necessary “cost” associated with the opening of the stomata to allow the diffusion of carbon dioxide gas from the air for photosynthesis.

Detailed explanation-3: -Transpiration is the evaporation of water from plants occurring at the leaves while their stomata are open for the passage of CO2 and O2 during photosynthesis.

Detailed explanation-4: -From the above paragraphs we can conclude that the rate of transpiration is more on the lower surface of the leaf than the upper surface. This is due to the presence of more stomata on the lower surface than the upper surface.

Detailed explanation-5: -Answer and Explanation: The part of the leaf that enables transpiration is the stomata. The stomata are openings in the leaf that allow for gas exchange with the environment. Plants take in carbon dioxide for photosynthesis and release oxygen.