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Lesson 11 ( in Hindi)
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In this lesson, the educator discusses the next questions that can be expected in the geography mains.

Ashna Sisodia is teaching live on Unacademy Plus

Ashna Sisodia
PSIR Optional Faculty, having scored 125+ in the prelims and 140 in Essay Paper and 110+ each in GS Papers in the UPSC Mains 2017.

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  1. Course: Expected Questions Geo-Mains Paper GS- 1 Presented by Ashna Sisodia


  2. About Me: From Chandigarh, India o CSE Btech, UIET kurukshetra UPSC CSE mains qualified Interests Reading and Gym addict e Rate, Review and Recommend https://unacademy.in/user/AshnaSisodia


  3. Question 21: Examine the advantages and disadvantages of erosion, transportation and deposition process of rivers from a human point of view. (200 Words)


  4. Answer: Rivers transport the eroded material downstream. It is a natural process. Advantages: 1. formation of alluvial plains. These plains add prosperity to the regions. 2. Energy fields were formed due to deposition of organic material over a long run (formation of coal fields in river valleys, shale gas fields at river mouths can be example for this) 3. Rejuvenation of rivers. Rivers are thus immune from pollution. Scenery and tourism things like great canyon are formed due to this natural process. 5. Natural washes out of soil salinity and alkalinity from the river basin region


  5. Disadvantages: 1. erosion in the upper course of the stream this makes mountain regions increasingly infertile. Laterite soils are thus formed on the top of mountains 2. Health problems goitre is hence common in mountain top regions due to iodine deficiency 3. Soil erosion 4. Deposition of mud at dams hampering the process of electricity generation 5, River bank erosion mav adversely affect human settlements,


  6. Question 22: Critically analyse the merits and demerits of inter river linking project that has been mooted to solve various issues arising out of both water deficiency and sufficiency in India. (200 Words)


  7. Background: Since the 1980s, the interlinking project has been managed by India's National Water Development Agency (NWDA) under the Ministry of Water Resources. It has been split into three parts: 1. A northern Himalayan rivers interlink component. 2. A southern peninsular component. 3. An Intra-State rivers linking component. The NWDA has studied and prepared reports on 14 projects for the Himalayan region, 16 projects for the peninsular India component and 36 intrastate River interlinking projects. However, various governments have shelved the idea for a number of reasons


  8. Recent news: Ken-Betwa river interlinking project to transfer surplus water from certain rivers into deficient ones and improve irrigation as well as hydropower availability Given the threat to the tiger reserve, the Environment Ministry, whose clearance is mandatory for the project, had tasked the National Board for Wildlife (NBWL) witlh an expert analysis on the environmental impact. The panel warns of the dangers to the ecology and animal life due to the proposed Ken-Betwa project. series of projects


  9. KEN BETWA LINK BETWA R YAM UNAR 2 DATIA RICHHA SHIV PUR BANDA GAR MATATILA DAM DUKWAN DAM GHAT AM TIKAM GARH LALITPUR 2 ATNA TUNNEL GUNA HY A PRADE S ATE BOLNDARY AG BARRARI BARRAGE LINK COMMAND VIDISHA rests with heder e) RAISEN datance oftw miks measured from tx BHOPAL RICHHN DAM MKHDA DAM MINISTRY OF WATER RESOURCES NATIONAL WATER DEVELOPMENT AGENCY ARMADA


  10. ILR project is an idea to transfer water from surplus river basins to ease the water shortages in western and southern India. It comprises of 30 links to connect 37 Himalayan and peninsular rivers. ILR project is supposed to 1. Diminish water scarcity in western and eastpeninsular India 2. Help in irrigation as a large part of Indian agriculture is rainfall dependent . 3. Mitigate droughts and floods