Question

Plants take in ______ and release ______ in the atmosphere during respiration.

• A. oxygen, nitrogen
• B. carbon dioxide, nitrogen
• C. oxygen, carbon dioxide
• D. oxygen, argon

Answer 1

The correct option is C

oxygen, carbon dioxide

All living organisms respire. All animals take in oxygen and release carbon dioxide during respiration. The same is true for plants as well. Only during photosynthesis, which occurs in the day time, they take in carbon dioxide and give out oxygen.