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NTA Abhyas NEET2020BotanyEcosystemPractice

Arrange the following ecosystems in the decreasing order of their mean net primary productivity (tons/hectare/year). I. Tropical deciduous forest II. Temperate coniferous forest III. Tropical rain forests IV. Temperate deciduous forest V. Desert scrub

Options

  1. AIII > I > IV > II > V
  2. BII > IV > I > III > V
  3. CIII > I > II > IV > V
  4. DIV > II > III > I > V

Correct answer

A. III > I > IV > II > V

Step-by-step solution

Net primary productivity is the quantity of biomass produced by plants per unit area per unit time after all respiratory losses. The productivity of an ecosystem depends on temperature and annual precipitation. The tropical rain forest is the most productive terrestrial ecosystem.

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