Biology
Grade-8
Easy
Question
At the time of photosynthesis plants take up ___________ and release _________.
- CO2, O2
- O2, CO2
- O2, N2
- N2, O2
Hint:
Carbondioxide is used up and oxygen is released
The correct answer is: CO2, O2
- Photosynthesis is the process by which plants use sunlight, water and carbondioxide to create oxygen and energy in the form of sugar.
- Carbondioxide is taken up whereas oxygen which is used up by animals and other plants is released
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