Question

Which of the following statements about stomata is correct?

a. stomata open when guard cells shrink.
b. stomata allow gases to diffuse into and out of the plant.
c. stomata are absent in aquatic plants.
d. stomata allow movement of nutrients into the plant.​

Answer 1

b. stomata allows gases to diffuse into and out of the plant.

Step-by-step explanation:

Stomata are tiny openings in the leaves of plants that allow gases to diffuse into and out of the plant. Stomata are essential for photosynthesis, which is the process by which plants use sunlight to convert carbon dioxide and water into oxygen and glucose.

So, the correct answer is (b). stomata allow gases to diffuse into and out of the plant.

The other statements are incorrect:

• (a) Stomata open when guard cells swell, not shrink.
• (c) Aquatic plants do have stomata, but they are located on the upper surface of the leaf instead of the lower surface.
• (d) Stomata does not allow movement of nutrients into the plant. Nutrients are absorbed by plant roots from the soil.

Therefore, the correct statement about stomata is that they allow gases to diffuse into and out of the plant.