Explain the process of breakdown of glucose in a cell
(i) in presence of oxygen
(ii) in absence of oxygen

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Solution

(i) in presence of oxygen
In presence of oxygen, glucose break into carbon dioxide and water.
This type of respiration is called aerobic respiration.
In this type of respiration more energy is released
Glucose + Oxygen → Carbon dioxide + Water + Energy
(ii) in absence of oxygen
In absence of oxygen, glucose break into lactic acid in muscle and into ethyl alcohol in yeast .
This type of respiration is called anaerobic respiration.
In this type of respiration less energy is released
Glucose → Alcohol + Carbon dioxide + Energy (in yeast)
Glucose → Lactic acid + Energy (in muscle)

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Explain the process of breakdown of glucose in a cell(i) in presence of oxygen(ii) in absence of oxygen

Explain the process of breakdown of glucose in a cell
(i) in presence of oxygen
(ii) in absence of oxygen