Which cells control the opening and closing of stomata?
Answer and explanation
Correct answer: Guard cells
The governing concept is stomatal regulation in plants. Each stoma is surrounded by a pair of guard cells. Changes in their water content and turgor pressure alter their shape, opening the pore when appropriate and closing it to reduce water loss. Hence option A is correct. Nerve, blood, and bone cells are animal cell types and do not directly control stomatal movement.
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What is the correct answer to this question?
Guard cells
Why is this the correct answer?
The governing concept is stomatal regulation in plants. Each stoma is surrounded by a pair of guard cells. Changes in their water content and turgor pressure alter their shape, opening the pore when appropriate and closing it to reduce water loss. Hence option A is correct. Nerve, blood, and bone cells are animal cell types and do not directly control stomatal movement.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Endocrine system.
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