Aerobic respiration

Anaerobic respiration

1. It requires O₂ to break the carbohydrate.

1. It doesn’t require O₂ to break the carbohydrates.

2. It occurs in all living cells.

2. It occurs only in some bacteria, fungi, etc.

3. Food is completely oxidized to form an inorganic substance.

3. Food is incompletely oxidized to form organic and inorganic substances.

4. A large amount of energy i.e. 673 k. Cal of energy is produced.

4. A  small amount of energy i.e. 28 Kcal of energy is produced.

5. The end products of this process are CO₂ and water.

5. The end products of this process are CO₂ and ethanol.

6. Reactions of glycolysis occur in cytoplasm and Kreb’s cycle in mitochondria.

6. All reactions occur in cytoplasm. Mitochondria are not needed in this process.