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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.

Related tags

Guard CellsStomataPlant NutritionEndocrine SystemControl And CoordinationScienceClass 10 Mcq

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