Question

Choose the correct option by identifying the cells above and their function.

• A. Guard cells; controlling size of stomata
• B. Companion cell; controlling size of vessels
• C. Guard cells; controlling size of vessels
• D. Parenchyma cell; controlling size of stomata

Answer 1

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.