Q. Which of the following processes is/are involved in carbon return back to atmosphere?
1.Respiration
2.Decomposition
3.Photosynthesis
How many of the statements given above are correct?
Answer: B
Notes:
Explanation: Carbon is present in the atmosphere, mainly in the form of carbon dioxide (CO2).
- The carbon cycle involves a continuous exchange of carbon between the atmosphere and organisms.
- Carbon from the atmosphere moves to green plants by the process of photosynthesis, and then to animals.
- By the process of respiration and decomposition of dead organic matter it returns back to atmosphere.
Source: Shankar IAS
