NEET BIOLOGY

Detailed explanation-1: -stoma). They play a central role in photosynthesis, allowing carbon dioxide to enter the leaf and oxygen to exit the leaf. The stomata also facilitate transpiration, the process by which water vapor is released through a plant’s leaves.

Detailed explanation-2: -The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf. Oxygen, a by-product of photosynthesis, and water vapor exit the leaf.

Detailed explanation-3: -Answer and Explanation: The three major substances that can pass through a plant’s stomata are water, oxygen, and carbon dioxide. Guard cells help regulate the plant’s water loss and can control how much of these substances are able to enter and exit by opening and closing the pore.

Detailed explanation-4: -Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product.