Question

Enzymes connected with oxidative electron transport system are found in

• A. Plastids
• B. Mitochondria
• C. Golgi bodies
• D. Endoplasmic reticulum

Answer 1

The correct option is B Mitochondria

• Enzymes connected with oxidative electron transport system are found in the mitochondria.
  
• The mitochondria is a double-membraned cell organelle, known as the powerhouse of the cell which is present in all eukaryotic cells.
  
• The inner mitochondrial membrane has folds called cristae which helps in increasing the surface area.
• The inner mitochondrial membrane is embedded with the enzyme ATP synthase (ATP synthesis), succinate dehydrogenase (oxidation-reduction reaction) and is also the site of the electron transport chain (aerobic respiration).
• So, the correct answer is 'Mitochondria'.