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NTA Abhyas NEET2020BotanyEcosystemPractice

Among the following, more than one trophic level in a food chain can be occupied by:

Options

  1. AFish and zooplanktons
  2. BSparrow and insectivorous plants
  3. CFrog and lion
  4. DGrasses and lichens

Correct answer

B. Sparrow and insectivorous plants

Step-by-step solution

Limitations of Ecological Pyramid: i) It does not take into account the same species belonging to two or more trophic levels, e.g., sparrow and insectivorous plants. ii) It assumes a simple food chain and does not accommodate a food web. iii) Saprophytes, decomposers, microbes and detritivores are not given any place in ecological pyramids.

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