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प्रश्न
Explain ‘Carbon cycle’.
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उत्तर
Carbon cycle:
Carbon cycle is the cyclic flow of carbon in the atmosphere.
- The major processes which help in the circulation of carbon in the atmosphere and through the organisms is photosynthesis and respiration.
- Respiration requires carbohydrates and oxygen and releases carbon dioxide, water and energy. Photosynthesis requires carbon dioxide and water and produces carbohydrates and oxygen.
- The carbon trapped in organisms which is not released by respiration is released during decomposition in the atmosphere or gets converted to fossil fuels.
- The carbon trapped in fossil fuels is released during combustion.
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संबंधित प्रश्न
State the function of a reservoir in a nutrient cycle
Outline salient features of carbon cycling in an ecosystem.
State any two differences between phosphorus and carbon cycles in nature.
Write the importance of phosphorus in living organisms.
Give a graphic representation of the phosphorus cycle in nature (ecosystem).
Name the reservoir and sink of carbon in the carbon cycle.
Substrate-level phosphorylation occurs in ______.
Natural reservoir of phosphorus is ______.
Among the following bio-geo chemical cycles which one does not have losses due to respiratjon?
Which of the following type of ecosystem is expected in an area where evaporation exceeds precipitation, and mean annual rainfall is below 100 mm?
