Respiration is a process which involves exchange of gases and breakdown of the food material in the presence or absence of oxygen. Based on the availability of gas respiration is of two types.
1. Aerobic Respiration : The process of breakdown of food material in the presence of oxygen gas. It results in the release of large amount of energy. Aerobic respiration is found in higher organisms like mammals .
2. Anaerobic respiration : The process involves the breakdown of the food material in the absence of oxygen gas.
S. No. |
Aerobic Respiration |
Anaerobic Respiration |
1 | It occurs in all living organisms. | It occurs only in some bacteria, fungi, germianting seed and certain animal tissues. |
2 |
It takes place in the presence of oxygen. |
It takes place in the absence of oxygen. |
3 |
The first step in this process (glycolysis) takes place in the cytoplasm, while second step takes place in the mitochondria. |
The complete process takes place in the cytoplasm |
Which of the following are correct ? (a) Respiration is the biochemical process which involves breakdown of food material in the presence or absence of oxygen gas. (b) In Aerobic respiration only 2 molecules of ATP are formed. | |||
Right Option : A | |||
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In Anaerobic Respiration only ____________ molecules of ATP are formed. | |||
Right Option : A | |||
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Which of the following are correct ? (a) Aerobic respiration takes place in the presence of oxygen . (b) In Anaerobic respiration the complete process takes place in cytoplasm . (c) Aerobic respiration is found in higher organisms like mammals . | |||
Right Option : D | |||
View Explanation |
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