Standard Science Primary 5 Systems

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

A To allow gas exchange
B To protect the leaf from insects
C To absorb sunlight
D To transport water to the roots
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Worked Solution

Step 1: Stomata are tiny openings on the leaf surface. Step 2: They allow carbon dioxide to enter and oxygen/water vapor to exit. Step 3: This process is gas exchange.

Correct answer: To allow gas exchange

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