Which part of the plant loses water by transpiration?

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Multiple Choice

Which part of the plant loses water by transpiration?

Explanation:
Transpiration mainly happens through the stomata, the tiny pores on the leaf surface. Water vapor exits the leaf interior as stomata are open to allow gas exchange for photosynthesis. Guard cells surround each stomatal pore and regulate its opening and closing, so they control how much water can escape. The cuticle is a waxy barrier that helps prevent water loss, not a route for releasing water. Roots take up water from the soil and don’t lose it to the air. So, the part responsible for water loss via transpiration is the stomata.

Transpiration mainly happens through the stomata, the tiny pores on the leaf surface. Water vapor exits the leaf interior as stomata are open to allow gas exchange for photosynthesis. Guard cells surround each stomatal pore and regulate its opening and closing, so they control how much water can escape. The cuticle is a waxy barrier that helps prevent water loss, not a route for releasing water. Roots take up water from the soil and don’t lose it to the air. So, the part responsible for water loss via transpiration is the stomata.

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