Biology for IGCSE & O level - Plant Nutrition (Section 5 - No. 36)
Which of the following statements best describes the function of guard cells?
They are responsible for photosynthesis within the leaf.
They regulate the opening and closing of the stomata.
They transport water to the mesophyll cells.
They absorb sunlight to provide energy.
Explanation
Guard cells control the opening and closing of the stomata by osmosis and bending.
Comments (0)
