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NTA Abhyas NEET2020BotanyEcosystemPractice

The diagram/flow chart represents which of the sedimentary biogeochemical cycle?

Options

  1. ANitrogen cycle
  2. BPhosphorus cycle
  3. COxygen cycle
  4. DSulphur cycle

Correct answer

B. Phosphorus cycle

Step-by-step solution

Biogeochemical cycles are of two types: (a) Gaseous: Biogenetic materials involved in circulation are gases eg. N 2 ,O 2 ,CO 2 etc . (b) Sedimentary: Biogenetic materials involved in circulation are non-gaseous eg . P 2 , Ca, S, etc forms rocks. The flow chart represents the phosphorus biogeochemical cycle occurring in a terrestrial ecosystem. The phosphorus cycle is a sedimentary cycle and its reservoir pool is lithosphere.

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