Standard Science Primary 6 Energy

Why is photosynthesis important for the survival of animals?

A It converts heat energy into light energy.
B It provides oxygen and food for animals.
C It helps to reduce the amount of water in the air.
D It provides carbon dioxide for respiration.
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Worked Solution

Step 1: Photosynthesis produces glucose, which is the base of most food chains. Step [2-9]: It also releases oxygen as a byproduct. Step [2-9]: Animals need food for energy and oxygen for respiration.

Correct answer: It provides oxygen and food for animals.

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