Standard Science Primary 5 Systems

What is the primary function of the stomata found on the underside of leaves?

A To transport food to the roots.
B To absorb sunlight for photosynthesis.
C To exchange gases with the surroundings.
D To protect the plant from pests.
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Worked Solution

Step 1: Stomata are tiny openings (pores) on the leaf surface. Step 2: They allow Carbon Dioxide to enter and Oxygen/Water Vapour to exit. Step 3: This process is known as gaseous exchange.

Correct answer: To exchange gases with the surroundings.

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