What are the differences between aerobic and anaerobic respirations? Name some organisms that use the anaerobic respirations.

Q.8: What are the differences between aerobic and anaerobic respirations? Name some organisms that use the anaerobic respirations.

 

Answer:-

Aerobic Respirations

Anaerobic Respirations

1. Aerobic respiration takes place in the presence free oxygen. 

2. In Aerobic respiration complete oxidation of glucose takes place.

 

3. End products of Aerobic respiration are CO2, water and energy (686 kcal).

 

 

4. Large amount of energy is released, i.e. 36 ATP molecules per glucose molecule.



 

5. First step of Aerobic respiration (glycolysis) takes place in cytoplasm while the next step takes place in mitochondria.

 

6. It takes place in all higher organisms.

1. Anaerobic respiration takes place in the absence of free oxygen. 

2. In Anaerobic respiration the glucose molecule is incompletely broken down.

 

3. End products of Anaerobic respiration are ethyl alcohol (or lactic acid), CO2, and a little energy (58 kcal).

 

4. Small amount of energy is released, i.e. 2 ATP molecules per glucose molecule.

 

5. Complete anaerobic respiration occurs in cytoplasm.

 

 

6. It takes place in lower organisms like yeast and muscles of man.

Organisms which use anaerobic respiration are yeasts, bacteria and parasites like tapeworm, Ascaris, etc.



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