What is the source of oxygen released during photosynthesis?

Practice MCQ for SSC, UPSC, RRB Exams

A. Carbon dioxide A.
B. Water B.
C. Glucose C.
D. Air D.

Correct Answer: B সঠিক উত্তর: B

Explanation ব্যাখ্যা

During photosynthesis, plants use sunlight to split water molecules (H2O) into oxygen (O2) and hydrogen ions (H+). The oxygen is then released as a byproduct into the atmosphere.

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