Question

Define Transpiration. How does it help a plant?

Answer 1

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves.

Answer 2

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● The water, warmed by the sun, turns into vapor (evaporates), and passes out through thousands of tiny pores (stomata) mostly on the underside of the leaf surface.

● This is transpiration. It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis.