Identify the cells above and choose the correct option.

Guard cells; controlling size of stomata

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Companion cell; controlling size of vessels

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Guard cells; controlling size of vessels

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Parenchyma cell; controlling size of stomata

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Solution

The correct option is A
Guard cells; controlling size of stomata

The figure shows stomatal guard cells. These cells act as gate keepers, controlling the size of stomata. They can also close and open the stomata based on the plant’s requirement of carbon dioxide and water.

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