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UPSC 2018 Prelims Paper 2
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Ashish Singh
IB ACIO II- 2017(Mains Qualified), Verified Exam cleared- SSC CPO (2014), SSC CGL Tier (2016 - Qualified for Mains), DSSSB (Mains)

U
Unacademy user
very informative and time saving trick..tysm sir.
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  2. UPSC Prelims Solved Paper-1 2018 By - Ashish Singh


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  4. 6. Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds? 1. Decreased salinity in the river 2. Pollution of ground water 3. Lowering of the water-table Select the correct answer using the code given below: a. 1 only b. 2 and 3 only c. 1 and 3 only d. 1,2 and 3


  5. Sand Mining wrecks the intertidal area and creates the imminent danger of saline water ingress into fresh water. . "Meaning salinity will increase, so statement #1 is wrong


  6. 7. Which of the following has/have shrunk immensely/dried up in the recent past due to human activities? Select the correct answer using the code below: a. 1 only b. 2 and3 c. 2 only d. 1 and 3


  7. The Aral Sea, in Central Asia, used to be the fourth largest lake in the world, after the Caspian Sea, and Lakes Superior and Victoria Now barely 10% of it is left Lake Baikal's has been crippled by a series of detrimental phenomena They include the disappearance of the omul fish, rapid growth of putrid algae and the death of endemic species of sponges across its vast 3.2 million-hectare area (The Hindu Oct 2017), . . . But there is no mention of immensely drying up Hence answer is a


  8. 8. How is the National Green Tribunal (NGT) different from the Central Pollution Control Board 1. The NGT has been established by an Act whereas the CPCB has been created by an executive order of the Government The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country. 2. Which of the statements given is/are correct a. 1 only b. 2 only c. Both d. None