Site of Kreb's cycle -: (A) Cytoplasm, (B) Mitochondria, (C) Smooth Endoplasmic reticulum, (D) Nucleus
Answer is B. Ans. is 'b' i.e., Mitochondria* Kreb's cycle or citric acid cycle is the final oxidation pathway wherein all three fuels, carbohydrates, lipids and proteins get oxidised to form Carbondioxide.* It happens in mitochondria.