UPSC Combined Geo-Scientist Exam Question Paper 2020 Download Free PDF
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UPSC Combined Geo-Scientist Exam Question Paper 2020 Download Pdf
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Q1. The edge effect at the contact of continental fresh water and sea water results in:
(a) non-deposition of sediments due to turbulence.
(b) deposition of sand due to fall in system energy.
(c) deposition of organic matter due to density difference.
(d) flocculation of clays resulting in formation of mud deposits.
Q2. Which one of the following about anemophilous plants is correct?
(a) Bright coloured flowers
(b) Sweet smelling flowers
(c) No nectar
(d) Dwarf stigmata
Q3. Which one of the following greenhouse gases is the largest single contributor to anthropogenic radiative forcing?
(c) Nitrous oxide
(d) Carbon dioxide
Q4. Which one of the following is the main natural source of Methane?
(b) Belching by cattle
(c) Leakage from pipelines
(d) Burning of wood
Q5. Which of the following particulate matters (size based) are notified pollutants in National Ambient Air Quality Standards (NAAQS)?
(a) PM 10 and PM 3.5
(b) PM 9 and PM 2.5
(c) PM 10 and PM 2.5
(d) PM 5 and PM 3.5