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Biology Easy FPSC PPSC NTS Uploaded: 14 Jul 2026

What is the process by which organisms break down glucose to release energy?

  • A Digestion
  • B Photosynthesis
  • C Cellular respiration
  • D Transpiration
Correct Answer: Option C — Cellular respiration
Explanation:
Cellular respiration is the process by which organisms break down glucose in the presence of oxygen to produce ATP carbon dioxide and water releasing energy for cellular activities.
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