Which of the following is not a raw material for photosynthesis?

Practice MCQ for SSC, UPSC, RRB Exams

A. Carbon dioxide A.
B. Oxygen B.
C. Water C.
D. Sunlight D.

Correct Answer: B সঠিক উত্তর: B

Explanation ব্যাখ্যা

During photosynthesis, plants use carbon dioxide and water along with sunlight to produce glucose (food) and oxygen as a byproduct. Oxygen is released as a waste product, so it is not needed as a starting material for the process.

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