PRELIMS 2021 KEYS RAJA sir cracking IAS Academy

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May 23, 2020 - Daily Quiz

1. Identify the correct statement(s) related to Carbon Dioxide
  1. National Air Quality index doesn’t measure the level of CO2.
  2. Biogas is a mixture of Methane and Carbon Dioxide.
  3. One carbon credit equals 100 kilos of Carbon Dioxide.
Answer Codes: (a) Only 1 and 2 (b) Only 2 and 3 (c) Only 1 and 3 (d) All of the above   2. ‘Xeriscaping’ is a concept related to (a) Landscaping related to save water (b) Landscaping related to save soil erosion (c) Weathering of rock surface (d) All of the above   3. Desalination of seawater is done by using reverse osmosis. The pressure applied to the solution is (a) larger than osmotic pressure (b) smaller than osmotic pressure (c) equal to osmotic pressure (d) equal to atmospheric pressure   4. Which one of the following is NOT a favourable condition for occurrence of a thunderstorm? (a) conditional and convective instability (b) Adequate supply of moisture in the lower atmosphere (c) Advection of cold dry air in the lower troposphere and warm moist air in the upper troposphere (d) A synoptic situation of low level convergence and upper level divergence   5. Match List — I with List — II and select the correct answer using the code given below the Lists.

List — I: [Strait]

A.   Bass Strait B.   Davis Strait C.   Dover Strait D.   Florida Strait

List — II: [Countries ]

1.    UK and France 2.    Australia and Tasmania 3.    USA and Cuba 4.    Canada and Greenland
Code : A B C D (a) 2 4 1 3 (b) 2 1 4 3 (c) 3 4 1 2 (d) 3 1 4 2    Answers & Explanations
  1. (a)
  2. (a)
  3. (a)
  4. (c)
  5. (a)


POSTED ON 23-05-2020 BY ADMIN
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