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NTA Abhyas NEET2020BotanyEcosystemPractice

Which of the following pairs is a gaseous type of biogeochemical cycle?

Options

  1. APhosphorus and nitrogen
  2. BPhosphorus and sulphur
  3. COxygen and nitrogen
  4. DPhosphorus and carbon dioxide

Correct answer

C. Oxygen and nitrogen

Step-by-step solution

Biogeochemical cycles are of two types: gaseous and sedimentary. In gaseous nutrient cycles, the materials involved in circulation between biotic and abiotic components of biosphere are gases or vapours and the reservoir pool is atmosphere or hydrosphere, e.g., carbon, hydrogen, oxygen, nitrogen, water. In sedimentary nutrient cycles, materials involved in circulation between biotic and abiotic components of biosphere are nongaseous and the reservoir pool is lithosphere, e.g., phosphorus, calcium, magnesium. Sulphu

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