Biology
Grade-8
Easy
Question
At the time of respiration, animals and plants release _________which is utilized by plants to prepare their food.
- Oxygen
- Carbon-di-oxide
- Hydrogen
- Nitrogen
Hint:
At the time of respiration, carbondioxide is released
The correct answer is: Carbon-di-oxide
- In cellular respiration by plants and animals , carbondioxide is released as byproduct.
- During photosynthesis this released carbondioxide is utilized by plants to produce food for themselves
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