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  •  Choose the correct statement  Option: 1 Oxygen (<img alt="O_{2}" src="https://lea

 Choose the correct statement

 

Option: 1

Oxygen (O_{2}) is utilised by the organisms to break down simple molecules like glucose, amino acids, fatty acids, etc. 

 


Option: 2

In animals, carbon dioxide (CO_{2}) which is harmful gas is released during respiration

 


Option: 3

The process of exchange of O_{2} from the atmosphere with CO_{2} produced by the cells is called breathing

 


Option: 4

All of these

 


Answers (1)

best_answer

Breathing and Cellular Respiration -

 
  • Oxygen (O_{_{2}}) is utilised by the organisms to indirectly break down simple molecules like glucose, amino acids, fatty acids, etc. to derive energy to perform various activities.
  • Carbon dioxide (CO_{_{2}}) which is harmful is also released during the above catabolic reactions.
  • It is, therefore, evident that O_{_{2}} has to be continuously provided to the cells and CO_{_{2}} produced by the cells have to be released. 
  • This process of exchange of O_{_{2}} from the atmosphere with CO_{_{2}} produced by the cells is called breathing, commonly known as respiration.

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Oxygen (O_{2}) is utilised by the organisms to break down simple molecules like glucose, amino acids, fatty acids, etc. In animals, carbon dioxide (CO_{2}) which is harmful gas is released during respiration. The process of exchange of O_{2} from the atmosphere with CO_{2} produced by the cells is called breathing. Hence the correct option is d all of the above 

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Anam Khan

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