Biology
Grade-6
Easy
Question
Why do plants need air to grow?
- Plants must anchor themselves
- Plants cannot keep cool on their own
- Plants need heat to release their energy
- Plants use carbon dioxide to make food
Hint:
Photosynthesis requires air for the exchange of gases.
The correct answer is: Plants use carbon dioxide to make food
- The process of respiration requires air that has gases like carbon dioxide and oxygen.
- Plants need air to grow because they use air to make food that is they use carbon dioxide to make food by photosynthesis.
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