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APPSC Group 2 Mains 2025 Paper 2 · Question 140

Question 140 of the APPSC Group-II Mains 2025 Paper II (23 February 2025). Try it first, then open the answer and explanation.

  1. Mains 2025 · P-II · Q140 · Science & Technology · Environment & Ecology

    Biogeochemical cycle in which the main reservoir is not the soil

    1. Sulphur cycle
    2. Nitrogen cycle
    3. Phosphorous cycle
    4. Calcium cycle

    ఏ బయోజియోకెమికల్ చక్రంలో నేల ప్రధాన రిజర్వాయర్ కాదు ?

    1. సల్ఫర్ చక్రం
    2. నైట్రోజన్ చక్రం
    3. భాస్వరం చక్రం
    4. కాల్షియం చక్రం
    Show answer

    Answer: (1) Sulphur cycle

    సమాధానం: (1) సల్ఫర్ చక్రం

    The final key marks the sulphur cycle, whose chief reservoir is taken as sedimentary rock and ocean sulphate rather than soil. Note that the nitrogen cycle's main reservoir is the atmosphere, so this answer depends on the key.

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