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Biology Medium PPSC Uploaded: 06 Aug 2026

What is the powerhouse process that produces ATP called?

  • A Photosynthesis
  • B Fermentation
  • C Cellular respiration
  • D Osmosis
Correct Answer: Option C — Cellular respiration
Explanation:
Cellular respiration breaks down glucose in the presence of oxygen to release energy stored as ATP. This process occurs primarily in mitochondria and is essential for powering nearly all cellular activities in organisms.
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