Biology for IGCSE & O level - Plant Nutrition (Section 3 - No. 47) | ExamPlay

Biology for IGCSE & O level - Plant Nutrition (Section 3 - No. 47)

What controls the opening and closing of stomata?

Xylem

Phloem

Guard cells

Epidermis

Explanation

Guard cells regulate the opening and closing of stomata.

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