Which organelle is the ‘powerhouse’ of the cell? By Ahmed Akber 🌐 Source Biology Knowledge Base ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 13 Aug 2026 A. Nucleus B. Ribosome C. Mitochondria D. ER Check Answer 💡 Explanation: Mitochondria generate ATP, the primary energy source for the cell. 📚 Topics: Biology Science 🎯 Exams: CSS GEN NTS PMS