Standard Science Primary 5 Systems

What is the primary function of the stomata found on the leaves of a plant?

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

Step 1: Stomata are tiny pores on the leaf surface. Step 2: They allow carbon dioxide to enter for photosynthesis and oxygen to exit. Step 3: They also facilitate transpiration (water vapor loss).

Correct answer: To allow the exchange of gases

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