Question

Define anaerobic respiration.

Answer 1

Anaerobic respiration :

1. Anaerobic respiration is the process in which incomplete oxidation of glucose occurs in the absence of oxygen. It is commonly known as fermentation.
2. It is of two types :

a) Ethyl alcohol fermentation :

In bacteria and fungi such as yeast, anaerobic respiration has taken place which results in the formation of ethyl alcohol, carbon dioxide, and two molecules of ATP.

b) Lactic acid fermentation :

In muscle cells of humans, the anaerobic respiration results in the formation of lactic acid and two molecules of ATP.