NSEJS · Biology

Our Environment and Natural Resources

Ecosystem, food chains, environmental issues, biogeochemical cycles and conservation of resources.

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  • Q1 · Our Environment and Natural Resources · MEDIUM

    In a food chain: Grass → Grasshopper → Frog → Snake → Hawk, the hawk is at which trophic level?

  • Q2 · Our Environment and Natural Resources · EASY

    Which of the following is a biodegradable waste material?

  • Q3 · Our Environment and Natural Resources · EASY

    In the nitrogen cycle, which process converts atmospheric nitrogen gas into ammonia that can be used by plants?

  • Q4 · Our Environment and Natural Resources · MEDIUM

    In an ecosystem, if 10000 joules of energy is available at the producer level, approximately how much energy will be available to the secondary consumers according to the 10% law?

  • Q5 · Our Environment and Natural Resources · MEDIUM

    Which of the following practices helps in the conservation of water resources?

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