IAS Mains Geography Optional 2016 Solutions Paper 1 Section A Examrace Dr Manishika

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1 a. Describe the “Basket of eggs topography”. • • Glacial Landforms: 25 Erosional 3 D... • 1 b. Differentiate between insolation and temperature and explain anomalous temperature. • • Temperature - Insolation, Heat Transf... • 1 c. Discuss maritime zone. • • Laws of the Sea - Understanding the 3... • 1 d. Bring out the ecological significance of Tropical Rainforest Biome. • 1 e. Explain the hydro-meteorological hazards in the Himalayas. • Natural hazards like earthquakes, avalanche, glacial lake outburst flood, debris flow, floods, landslides, thunderstorm, fire, cold and hot waves, etc. • Along with anthropogenic hazards aggravate and degrade the fragile eco-systems, put human lives at risk, and cause economic losses • Fast snow melting, retreating glaciers, vertical shift in snowline, decrease in amount of snowfall, appearance of new glacial lakes and increase in their size and volume. • 2 a. “In explaining the concept of ‘Pediplanation’, King combined the ideas of Davis, Penck and Wood with his own.” Elaborate. • • 3 Geomorphic Models/Cycles of Slope D... • King used 4 slope elements which were initially proposed by ‘wood'. • Four-unit model: By A. Wood in 1943 • Waxing Slope • Free Face • Debris Slope • Waning Slope • 2 b. Compare the origin and weather conditions associated with the tropical and temperate cyclones. • • Cyclones, Formation its 2 Types (Ex... • 2 c. Give a reasoned account on how the impact of global warming differs from one part of the earth to the other. • • Greenhouse Effect and Global Warming:... • Ocean warm – Sea Level Rise – CO2 capacity decreases • Ocean is biggest absorber of CO2 • Bigger and denser trees – Promote growth of trees • 3 a. Discuss the significance of world climate research Programme (WCRP) and core projects in the understanding of climatic change. • Estb. 1980 by International Council for Science World Meteorological Organization. • Sponsored by Intergovernmental Oceanographic Commission of UNESCO since 1993 • Develop fundamental scientific understanding of the physical climate system and climate processes to predict extent of human influence on climate • 3 b. “The relation between the winds and the currents is best seen in the Indian Ocean”. Justify. • Monsoons • 3 c. Write a critical note on the tendency of “Use and throw” in the context of economic status and environment. • Consumerism, e-waste, increase toxicity • Overconsumption disposable items • Create environment unsustainable • Key: Life Cycle Thinking - Deeper understanding, ecodesigns • Cradle-to-Grave – Take, Make, Waste System • 4 a. Bring out the various ecological problems associated with the exploitation and use of oceans and their resources. • Unsustainable fishing • 4 b. “Geological structure has a dominant control on landforms and is reflected on them.” Discuss. • One of the 10 fundamental concepts given by Thornbury • Except for regions of very recent diastrophism, it is safe to assume that areas which are topographically high are underlain by hard rocks those which are low by weak rocks • 4 c. Describe Newbigin’s scheme of Floristic regions of the world and explain the Mediterranean Floristic region. • Newbigin (1950) gave 5 regions for the world: • Northern lands (Holarctic) • Mediterranean • Northern Paleo tropical Desert • Intertropical (tropics of America, Africa E. Asia) • Austral (southern parts of southern continents) • • Join our fully evaluated UPSC Geography optional test series at - https://www.doorsteptutor.com/Exams/I..., Post evaluation get personalized feedback improvement call for each test. • IAS Mains Geography optional postal course visit - http://www.examrace.com/IAS/IAS-Flexi... • For Maps and locations (revised and updated - includes section on education, defence and more) book click here - http://www.examrace.com/IAS/IAS-Flexi... • Lectures organised in topics and subtopics: https://www.doorsteptutor.com/Exams/I... • For IAS Prelims visit https://www.doorsteptutor.com/Exams/I... • 0:00 Introduction • 1:43 b. Differentiate between insolation and temperature and explain anomalous temperature • 2:35 d. Bring out the ecological significance of Tropical Rainforest Biom • 5:11 le. Explain the hydro-meteorological hazards in the Himalayas • 7:06 20. Give a reasoned account on how the impact of global warming differs from one part of the earth to the • 9:11 a. Discuss the significance of world climate • 10:34 b. The relation between the winds and the • 11:56 c. Write a critical note on the tendency of Use and throw in the context of economic status and • 14:36 a. Bring out the various ecological problems associated with the exploitation and use of oceans • 18:11 c. Describe Newbigin's scheme of Floristic regions of the world and explain the #examrace #upsc #ugcnet

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