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RRB Group-D Model Paper 20 with answers for online practice
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© examsnet.com
Question : 58
Total: 100
In the presence of oxygen, glucose does NOT break down into which among the following?
Carbondioxide
Alcohol
Water
Energy
Validate
Solution:
The process of breakdown of food in the cell with the release of energy is called cellular respiration.
In the cell, the food (glucose) is broken down into carbon dioxide and water using oxygen.
When the breakdown of glucose occurs with the use of oxygen it is called aerobic respiration.
When the breakdown of glucose occurs without the use of oxygen it is called anaerobic respiration.
Breakdown of food releases energy.
In the absence of oxygen, glucose breaks down into alcohol, carbon dioxide, and energy.
In the presence of oxygen, glucose breaks down into the water, carbon dioxide, and energy.
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