- Which gas is released during photosynthesis?
A
Carbon dioxide
B
Oxygen
C
Nitrogen
D
Hydrogen
Answer and explanation
Correct Answer: B — Oxygen
Photosynthesis releases oxygen (O₂).
ObjectiveMCQ
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Browse the question list for Biology in SSC CGL 2023.
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Carbon dioxide
Oxygen
Nitrogen
Hydrogen
Photosynthesis releases oxygen (O₂).
Amylase
Lipase
Pepsin
Trypsin
Pepsin breaks down proteins into smaller peptides.