April 9, 2025

28 thoughts on “Cryosphere and Climate Change | GS Paper 1 | Exam Essentials for UPSC, APSC Exams | Mridul Sir

  1. Q1-C)2AND3 CORRECT(2.Permafrost is a type of ground that

    remains frozen for at least two

    consecutive years.

    3.Ice caps are smaller than ice sheets

    but still contribute to sea-level rise

    when they melt.)
    Q2-B)2AND3 CORRECT(2.Permafrost thawing releases

    methane, which contributes to

    climate change.

    3.Arctic amplification refers to the

    rapid warming of the Arctic compared

    to the rest of the planet.)
    Q3-B)1AND3 CORRECT(1.It helps in regulating global sea levels

    by storing large amounts of

    freshwater.3.The cryosphere supports

    ecosystems that are unique to polar

    regions.)
    Q4-C) 2 and 3 CORRECT(2.The influx of freshwater from melting

    ice sheets can weaken the global

    ocean circulation.

    3.Melting Antarctic glaciers primarily

    affect the Southern Ocean currents.)
    Q5-A) 1 and 3(1.Melting Arctic ice has been linked to

    changes in the polar vortex, leading

    to colder winters in parts of North

    America and Europe.3.Changes in the cryosphere can alter

    jet stream patterns, affecting

    precipitation distribution.)
    Q6-C) Only 2(2.Melting Antarctic glaciers have a

    greater impact on global sea-level

    rise compared to Arctic sea ice.)

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