Oxidation of Food and Respiration
Oxidation of Food and Respiration
All organisms breathe, a process in which they take in oxygen and give off carbon dioxide. Respiration involves exchange of gases i.e. breathing and also oxidation of food to release energy.
Oxidation: It means breakdown of food to provide energy with the help of oxygen.
Respiration: It is defined as the process of biochemical oxidation of nutrients in the presence of specific enzymes at optimum temperature in the cells to release energy for metabolic activities. As the process of respiration takes place inside the cells, it is known as cellular respiration or internal respiration.
Respiration is highly important for life as it provides energy for carrying out all life processes. In this process, carbohydrates and other organic molecules are broken down in successive steps to produce energy, which is used to make a compound called Adenosine Triphosphate (ATP). Cellular processes get energy from ATP. It is commonly called ‘energy currency’ of the cell.
During photosynthesis, carbon dioxide and water combine with the help of the energy from the ___________________ to form carbohydrates. | |||
| Right Option : A | |||
| View Explanation | |||
The ATP molecule is oxidized and broken down gradually the first stage in the process is called ________________________ which involves anaerobic respiration. | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) All organisms breathe, a process in which they take in carbon dioxide and give off oxygen. (b) Respiration involves exchange of gases i.e. breathing and also oxidation of food to release energy. | |||
| Right Option : B | |||
| View Explanation | |||
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