Question

Oxygen taken in during respiration is used to break down ______, produced as a result of photosynthesis.

• A. glucose
• B. protein
• C. fats
• D. vitamin

Answer 1

The correct option is A

glucose

The correct option is A.

Explanation of the correct option:

1. Respiration is a biochemical process that involves breaking down of glucose in presence of oxygen to release energy.
2. Photosynthesis is the process by which plants prepare food in presence of sunlight trap by chlorophyll from water and carbon dioxide.
3. Glucose is produced by plants during photosynthesis. It is a monosaccharide.

Final answer:

Oxygen taken in during respiration is used to break down glucose, produced as a result of photosynthesis.