General Science • BiologyEasy
Which gas is released by plants during the process of photosynthesis?
A. Carbon dioxide
B. Nitrogen
C. Oxygen✓ Correct Answer
D. Hydrogen
💡 Solution & Explanation
Green plants produce and release oxygen as a vital byproduct during the light-dependent reactions of photosynthesis, utilizing carbon dioxide and water. Carbon dioxide is absorbed from the atmosphere rather than released during daytime photosynthetic cycles. Basic plant physiology is a fundamental area tested in competitive general science exams.
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