LABORATORY REVIEW
TRANSPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A hole in the leaf.
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A tiny pore in the bottom of the leaf that allows for gas exchange between the leaf and the atmosphere.
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Guard Cells with vacuoles that get larger and smaller over the course of the day.
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None of the above.
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Detailed explanation-1: -Stomata are pores in the leaf that allow gas exchange. Each stoma is guarded by guard cells. When these guard cells open during photosynthesis, carbon dioxide enters the leaves and water vapour and oxygen goes out of the leaves. Stomata are present usually on the underside of the leaves.
Detailed explanation-2: -Answer and Explanation: This is the correct answer C) Stomata are important in terrestrial plants because they allow CO2 to diffuse into the plant.
Detailed explanation-3: -Their main function is to allow gases into and out of the leaf.
Detailed explanation-4: -Stomata regulate gas exchange between the plant and environment and control of water loss by changing the size of the stomatal pore.
Detailed explanation-5: -stoma (plural stomata) A tiny opening in the surface of a plant leaf or stem. It allows gases and water vapor to escape. Some plants close their stomata at night.