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Everyday Science Easy PMS Uploaded: 01 Sep 2026

The gas exchanged during cellular respiration that is released as a waste product is:

  • A Oxygen
  • B Nitrogen
  • C Hydrogen
  • D Carbon dioxide
Correct Answer: Option D — Carbon dioxide
Explanation:
During cellular respiration, cells use oxygen to break down glucose for energy and release carbon dioxide as a metabolic waste product.
Submitted by: PaperMCQs
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