Which Of Following Is A Product Of Photosynthesis?

1. Carbon dioxide (CO₂)
2. Oxygen (O₂)
3. Both (a) and (b)
4. Water (H₂O)

Answer: (2) Oxygen (O₂)

Explanation

While CO₂ is consumed during photosynthesis, the process produces and releases oxygen as a byproduct of photolysis in the light-dependent reactions.