HORTICULTURE SCIENCE
ULTRA STRUCTURE OF PLANT CELLS AND ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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This type of cell is responsible for opening and closing the stomata.
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tracheid
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guard cell
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companion cell
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spongy mesophyll
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Explanation:
Detailed explanation-1: -Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata. Light is the main trigger for the opening or closing. Each guard cell has a relatively thick cuticle on the pore-side and a thin one opposite it.
Detailed explanation-2: -Guard cells are pairs of epidermal cells that control gas diffusion by regulating the opening and closure of stomatal pores.
There is 1 question to complete.