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MHT CET Medical202625 April 2026Morning ShiftBiologyEcosystemActual

Which of the following are functional units of an ecosystem? A. Productivity. B. Spatial pattern. C. Nutrient cycling. D. Energy flow. E. Decomposition.

Options

  1. AA, B, C and D only
  2. BA, C, D and E only
  3. CA, B and C only
  4. DA, B, C and E only

Correct answer

B. A, C, D and E only

Step-by-step solution

The components of an ecosystem are seen to function as a unit when the following aspects are considered: 1. Productivity 2. Decomposition 3. Energy flow 4. Nutrient cycling Spatial pattern (such as stratification) is a structural feature of an ecosystem, not a functional unit. Therefore, the functional units are Productivity (A), Nutrient cycling (C), Energy flow (D), and Decomposition (E). Answer: A, C, D and E only

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