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WBCS Preliminary Examination 2022 — General Studies · Question 148 of 200

Q148
General ScienceBiology
The powerhouse of cell is
  1. a.Nucleus
  2. b.Lysosome
  3. c.Mitochondria
  4. d.DNA

Answer: (C) Mitochondria

Mitochondria are called the 'powerhouse of the cell' because they produce ATP (adenosine triphosphate) through aerobic respiration — the primary energy currency of the cell. They are double-membrane organelles found in most eukaryotic cells and have their own DNA, suggesting an evolutionary origin as independent bacteria.

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