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Mission WBCS Daily Mock( Environment ) 4
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Daily Mock Test

Arijit Basu Chowdhury is teaching live on Unacademy Plus

Arijit Basu Chowdhury
Graduate in History from St.Paul’s Cathedral Mission College.My Philosophy is Being Basic and Being simple and show actually what you are 😊

U
Unacademy user
sabse choti haddi stapes hoti h jo kaan me hoti h
  1. Mission WBCS (Exe.) 2019 Prelims and Mains Daily Mock Test Arijit Basu Chowdhury


  2. Target Audience West Bengal Civil Services West Bengal Civil Service (Exe.) Aspirants,UPSC CSE Aspirants Miscellaneous .Kolkata Police ,Bengal Police Railway,Banking Exams WB PSC Public Service Commission, West Bengal ABCDEFGH A B CDEFGH ABCDEFGHI ABCDEFGHIa ABCDEFGHIS A BCDEFGH A BC DEFGHIJ ABCDEFG


  3. Daily Mock Test (Environment) 1. Which of the following is an air pollutant? a) Hydrogen b) Carbon dioxide c) Carbon monoxide d) Oxygen 2.Which of the following is a secondary air pollutant? a) Ozone b) Carbon dioxide c) Carbon monoxide d) Nitrogen dioxide 3. The environmental lapse rate is found to be: a) 6.5 C/km b) 8.7oC/km c) 5.5 C/km d) 5.9 C/km 4.During Inversion f a) Temperature increases with altitude b) Temperature decreases with altitude c) Temperature remains constantd) All of these


  4. Daily Mock Test (Environment) rapidly than oxygen? a) Sulphur dioxide b) Carbon mono-oxide c) Ozone d)Nitrous oxide 5. Which of the following on inhalation r dissolved g in the blood hemoglobin more (a) A natural phenomenon b) A combination of smoke and fog c) Is colorless 7. The major photochemical oxidant is? a) Ozone b) Hydrogen peroxide c) Nitrogen oxides d) None of these 8. Which of the following are likely to be present in photochemical smog? a) Sulphur dioxide b) Photochemical oxidants c) Chlorofluorocarbon d) None d) None of these


  5. Daily Mock Test (Environment) How photochemical smog is formed Sunlight Nitrogen oxides Photochemical oxidants Reaction Volatile organic compounds Concentrate into Sulfer oxide PM 2.5 Photochemical sm09 Sore throat irritation Very fine particles Cars Factories


  6. Daily Mock Test (Environment) 9. Which of the following devices is suitable for the removal of gaseous pollutants ? a) Cyclone separator b) Electrostatic precipitator c) Fabric filter d) Wet scrubber 10. Which of the following air pollution control devices is suitable for the removing the finest dust from the air? a) Cyclone separator b) Electrostatic precipitator c) Fabric filter d) Wet scrubber 11. Air pollution from automobiles can be controlled by fiting: a) Cyclone separator b) Electrostatic precipitator c) Catalytic converter d) Wet scrubber N2.H20, Co2 Three-way catalyst HC, CO, NOx


  7. Daily Mock Test (Environment) Taj Mahal at Agra may be damaged by a) Sulphur dioxide b) Chlorine c) Hydrogen d) Oxygen 13. Gas leaked in Bhopal tragedy a) Methyl isocyanate b) Potassium isothoiocynate c) Ethyl isocyanate d) Nitrous oxide 14. BOD is? a) A measure of the organic matter presents in water b) Usually less than COD c) Biochemical oxygen demand d) All of these 15. Biochemical Oxygen Demand measures: a) Industrial pollution b) Air pollution c) Pollution capacity of effects d) Dissolved O2 needed by microbes to decompose organic waste 12.


  8. Daily Mock Test (Environment) 16. Excess fluoride in drinking water is likely to cause: a) Blue baby syndrome b) Fluorosis c) Change in taste and odour d) Intestinal irritation 17. Fluoride pollution mainly affects a) Kidney b) Brain c) Heart d) Teeth 18. An organism which can monitor air pollution is a) Fungi b) Algae c) Bacteria d) Lichen 19. What is Biodiversity'? a) Many types of flora and fauna in one forest b) Many types of flora and fauna in many forests c) Many population of one species in one forest d) None of these 20. Layer of atmosphere in which Ozone layer lies is a) Exosphere b) mesosphere d) troposphere d) stratosphere


  9. Daily Mock Test (Environment) 1. c) Carbon monoxide 2. a) Ozone 3. a) 6.5 C/km 4. a) Temperature increases with altitude 5. b) Carbon mono-oxide 6. b) A combination of smoke and fog 7. c) Nitrogen oxides 8. c) Chlorofluorocarbon 9. d) Wet scrubber 10. b) Electrostatic precipitator 11. c) Catalytic converter


  10. Daily Mock Test (Environment) 12. a) Sulphur dioxide 13. a) Methyl isocyanate 14. d) All of these 15. d) Dissolved O2 needed by microbes to decompose organic waste 16. b) Fluorosis 17. d) Teeth 18. d) Lichen 19. a) Many types of flora and fauna in one forest 20. d) stratosphere