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NTA Abhyas NEET2020BotanyEcosystemPractice

Select the incorrect statement.

Options

  1. AEnergy always decreases with increases in trophic level.
  2. BSecondary succession is faster than primary succession.
  3. CEcological pyramids cannot explain all the vital functions of any ecosystem.
  4. DThe amount of nutrients present in the soil at any given time is referred to as the standing crop.

Correct answer

D. The amount of nutrients present in the soil at any given time is referred to as the standing crop.

Step-by-step solution

The amount of nutrients, such as carbon, nitrogen, phosphorus, calcium, present in the soil at any given time is referred to as the standing state. Each trophic level has a certain mass of living material at a particular time called the standing crop. The standing crop is measured as the mass of living organisms (biomass) or the number in a unit area.

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