Carbon Cycle
Trending Questions
Q.
On an annual basis, approximately what percentage of all the carbon dioxide in the atmosphere is fixed by photosynthesis?
100%
70%
10%
1%
Q. The main role of bacteria in carbon cycle involves
- Photosynthesis
- Chemosynthesis
- Fixation of atmospheric nitrogen
- Breakdown of organic compounds
Q. Which of the following cycles involve photosynthesis and cellular respiration?
- Sulphur cycle
- Carbon cycle
- Nitrogen cycle
- Phosphorus cycle
Q. In the carbon cycle, the human body directly returns carbon to the atmosphere through this way:
- Formation of glucose
- Urination
- Photosynthesis
- Cellular respiration
Q.
On an annual basis, approximately what percentage of all the carbon dioxide in the atmosphere is fixed by photosynthesis?
100%
70%
10%
1%
