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✅ Correct Answer: C — Mitochondria
Mitochondria are called the 'Powerhouse of the Cell' because they produce ATP (Adenosine Triphosphate) — the energy currency of cells — through the process of Cellular Respiration (oxidative phosphorylation). They have their own DNA and can reproduce independently. They are present in all eukaryotic cells except mature RBCs.
❌ Why other options are wrong:
• A. Nucleus — Nucleus is the control center of the cell containing genetic material (DNA); it controls all cell activities and reproduction, but doesn't produce energy.
• B. Ribosome — Ribosomes are the sites of protein synthesis (translation of mRNA into proteins); they don't produce energy/ATP.
• D. Golgi body — Golgi apparatus packages and transports proteins and lipids within the cell; doesn't produce energy.
📝 Important Note: Mitochondria = Powerhouse of cell (ATP production). Nucleus = Brain/control center of cell (DNA, cell division). Ribosome = Protein factory. Endoplasmic reticulum = transport network. Lysosomes = suicide bags (digest waste). Mitochondria have their own DNA (maternal inheritance). SSC CGL most important cell organelle question.
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