LABORATORY REVIEW
TRANSPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Bean cell
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Guard cell
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Stroma
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Hydathodes
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Detailed explanation-1: -Kidney shaped cells that surround the stomata are called guard cells.
Detailed explanation-2: -The guard cells are generally crescent-shaped with blunt ends (kidney-shaped) in surface view (Fig. 22.3D) and often have ledges of wall material on the upper and lower sides.
Detailed explanation-3: -Stomata are tiny pores or openings on the green parts of a plant, especially the leaves. They enable gaseous exchange through them. They also are responsible for transpiration to occur in plants. Stomata are surrounded by kidney-shaped guard cells, which regulate and control their opening and closing.
Detailed explanation-4: -Option B: Beans is a dicotyledon. Hence, it has kidney-shaped guard cells. Therefore, this is the correct answer.
Detailed explanation-5: -It consists of two kidney shaped cells called guard cells which regulate the opening and closing of the stomata.