Difference between Aerobic and Anaerobic Respiration


Human Body - Respiratory System - Concepts
Class - 7th ICSE Subjects
 
 
Concept Explanation
 

Difference between Aerobic and Anaerobic Respiration

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

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Sample Questions
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Question : 1

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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Question : 2

In Aerobic respiration ___________ molecules of ATP are produced by the complete oxidation of one gram mole of glucose.

Right Option : C
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Question : 3

In Anaerobic Respiration only ____________ molecules of ATP are formed.

Right Option : A
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