Biology
Grade-6
Easy

Question

Why do plants need air to grow?

  1. Plants must anchor themselves
  2. Plants cannot keep cool on their own
  3. Plants need heat to release their energy
  4. Plants use carbon dioxide to make food

hintHint:

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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