Site of Kreb's cycle -
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.
Cytoplasm
Mitochondria
Smooth Endoplasmic reticulum
Nucleus
Carbohydrates