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Ancient India - Science and Mathematics

1 UPSC Prelims MCQs tagged "Ancient India - Science and Mathematics". Free practice with answer keys, explanations, and timed mock tests on Anantam IAS.

Agriculture and Allied Activities 56 Money, Banking and Monetary Policy 43 Environmental Pollution 43 Biotechnology 37 Parliament 33 Climate Change 32 Finance and Financial Markets 29 Emerging Technologies 28 Trade and External Sector 26 Life Sciences 26 Core Concepts and Foundational Science 20 Public Finance in India 19 International Environmental Framework 18 Continents 18 Religions in India 18 Fundamental Rights 18 Concept and Salient Features of the Constitution 17 Indian Biodiversity - Fauna 17 Renewable Energy 16 Major Physical Divisions of India 16 Multilateral Groupings 16 International Institutions 15 Art and Architecture 15 Drainage System 15 Institutional Measures for Environment Conservation 14 Regional Groupings 14 Rivers and Drainage 14 Infrastructure and Investment Models in India 14 Atmosphere 13 Space Technology 13

  1. Which of the following contributions of Aryabhata is/are true?

    Which of the following contributions of Aryabhata is/are true?

    1. AOnly 1
    2. BOnly 2
    3. COnly 3
    4. D1, 2 and 3
    Answer and explanation

    Correct answer: D

    Aryabhata held that the Earth rotates on its own axis while the Sun stays fixed, which explains the apparent daily motion of the sky. He gave the scientific cause of solar and lunar eclipses as shadows cast by the Moon and Earth, rejecting the Rahu-Ketu myth. His estimate of the Earth's circumference was remarkably close to the modern value, so all three statements are correct.

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    History UPSC GPSC-2026 Medium