Q17 / 288 · NTA Abhyas (NEET) 2020 · Botany · Ecosystem

Find the incorrect statement.

  • A
    In a terrestrial ecosystem, a larger fraction of energy flow occurs through detritus food chain.
  • B
    In the aquatic ecosystem, a major conduit for energy flow is grazing food chain.
  • Correct answer
    C
    Detritus food chain is not at all connected with grazing food chain at any level.
  • D
    Natural interconnection of food chain makes it a food web.

Solution

In nature, the detritus food chain is connected with grazing food chains at some levels; some of the organisms of DFC are preys to the GFC animals, and in the natural ecosystem, some animals like cockroaches, crows, etc., are omnivores.

Hence, the correct answer is option: 'C'.

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