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Hydrological Cycle

2 UPSC Prelims MCQs tagged "Hydrological Cycle". 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. On the planet earth, most of the freshwater exists as ice caps and glaciers.…

    On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion

    1. Ais found in the atmosphere as moisture and clouds
    2. Bis found in freshwater lakes and rivers
    3. Cexists as groundwater
    4. Dexists as soil moisture
    Answer and explanation

    Correct answer: C

    According to the U.S. Geological Survey, over 68 percent of the freshwater on Earth is found in ice caps and glaciers, and just over 30 percent is found in groundwater.

    Only about 0.3 percent of our freshwater is found in the surface water of lakes, rivers, and swamps.

    ![Water composition on earth](https://d39jluplm5thpx.cloudfront.net//Water_Composition_f86d887e2b.jpg)

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    Geography UPSC 2013 Easy

  2. With reference to the water on the planet Earth, consider the following statements: 1.…

    With reference to the water on the planet Earth, consider the following statements: 1. The amount of water in the rivers and lakes is more than the amount of groundwater. 2. The amount of water in polar ice caps and glaciers is more than the amount of groundwater. Which of the statements given above is/are correct?

    1. A1 Only
    2. B2 Only
    3. CBoth 1 and 2
    4. DNeither 1 nor 2
    Answer and explanation

    Correct answer: B

    Statement 1 is incorrect. When we consider the distribution of water on Earth, we find that the amount of water in rivers and lakes is actually less than the amount of groundwater. This is because groundwater is stored in the Earth's crust, in the pores and spaces between rocks and soil, and it accounts for a significant portion of the Earth's fresh water. On the other hand, rivers and lakes, while visible and important for many ecosystems, actually hold a relatively small amount of the Earth's total water.

    ![Earth's Water Distribution](https://d39jluplm5thpx.cloudfront.net//earth_water_a28f612fc8.jpg)

    Statement 2 is correct. The amount of water in polar ice caps and glaciers is indeed more than the amount of groundwater. This is because these ice caps and glaciers, particularly those in Antarctica and Greenland, hold the majority of the Earth's fresh water.

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    Geography UPSC 2021 Medium