RPSC RAS · Science, Technology and Environment

Ecology and ecosystem

Food chain, biodiversity hotspots, ecological pyramids.

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  • Q1 · Ecology and ecosystem · EASY

    In a grazing food chain, which of the following represents the correct sequence of energy flow?

  • Q2 · Ecology and ecosystem · MEDIUM

    Which of the following biodiversity hotspots is/are located in India? 1. Western Ghats 2. Eastern Himalayas 3. Indo-Burma region 4. Sundaland Select the correct answer:

  • Q3 · Ecology and ecosystem · MEDIUM

    In an ecological pyramid of energy, which of the following statements is correct?

  • Q4 · Ecology and ecosystem · MEDIUM

    The '10 percent law' in an ecosystem, proposed by Raymond Lindeman, refers to:

  • Q5 · Ecology and ecosystem · HARD

    Consider the following statements about detritus food chain: 1. It begins with dead organic matter. 2. Decomposers play a vital role in this food chain. 3. It is the major pathway of energy flow in aquatic ecosystems. 4. It contributes more to energy flow than grazing food chain in forest ecosystems. Which of the statements given above are correct?

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