Which statement are correct about guard cells? I. They are modified ground tissues. II. They are chlorophyllous. III. Its outer wall is thin and inner wall is highly thickened. IV. They regulate stoma

Question

Which statement are correct about guard cells? I. They are modified ground tissues. II. They are chlorophyllous. III. Its outer wall is thin and inner wall is highly thickened. IV. They regulate stomatal movement for transpiration and gaseous exchange.

Accepted Answer

Answer: All except I — Guard cells are a pair of bean-shaped cells found in the epidermis of leaves and young stems of plants. They look similar to a kidney and exist in pairs surrounding a tiny gas exchange opening called

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