Environmental Studies Past Paper PDF

Subject: - Environmental Studies (22447) Prepared By: Ruchira Warekar (Computer Dept.) Page 1 of 23  Chapt Name of chapter Marks er No. Without...

Subject: - Environmental Studies (22447) Prepared By: Ruchira Warekar (Computer Dept.) Page 1 of 23  Chapt Name of chapter Marks er No. Without Options 1 Environment 10 2 Energy Resources 16 3 Ecosystem and Biodiversity 12 4 Environmental Pollution 20 5 Social Issues and Environmental Education 12 Total Marks :- 70 Prepared By: Ruchira Warekar (Computer Dept.) Page 2 of 23 COURSE:-EST (22447) PROGRAMME: - CO CO.NO Course Outcome CO-447.1 Develop Public awareness about Environment. CO-447.2 Select alternative Energy Resources for Engineering Practices. CO-447.3 Conserve Ecosystem and Biodiversity.  CO-447.4 Apply techniques to reduce Environmental Pollution CO-447.5 Manage Social Issues and Environmental Ethics as lifelong learning. Prepared By: Ruchira Warekar (Computer Dept.) Page 3 of 23 1. Environment ------------------------------------------------------------------------------------------------------------ Total Marks:10 --------------------------------------------------------------------------------------------- - MCQ Question (Total number of Question=Marks*3=10*3=30) 1 Which of them can be recycled? A) paper C) metal B) plastic D) All of these 2 Recycle of plastic can also minimize air pollution. A) yes C) Neither yes or No B) No D) None 3 Recycling is best process to control pollution. A) TRUE C) Neither true or false B) FALSE D) None 4 O3is known as. A) Atmosphere C) Oxygen B) Ozone D) All of these 5 Ozone get rupture by reaction of NOx with a A) Sunlight C) Volatile Organic components B) Water D) None 6 Third world war have impact. A) Lithosphere C) Bio-sphere B) Hydrosphere D) All of these 7 Environment consist of A) Lithosphere C) Bio-sphere B) Hydrosphere D) All of these 8 Lithosphere, Hydrosphere, Bio-sphere and Atmosphere from. A) Environment C) Pollutant B) Pollution D) Non of the above 9 Atomic oxygen reacts with to give acyl radical.  A) Hydrocarbon C) so2 B) CFS D) None of the above 10 The environment consists of various segments such as atmosphere, hydrosphere,lithosphere and ……….. A) Hemisphere C) Soil sphere Prepared By: Ruchira Warekar (Computer Dept.) Page 4 of 23 B) o2 Sphere D) Bio sphere 11 The ………is the protective blanket of gases which is A) Hemisphere C) lithosphere B) atmosphere D) Bio sphere 12 ……….of the total water supply is available as fresh water in the form of rivers,lakes.,streams and ground water for human consumption and other uses. A) 1% C) 3% B) 2% D) 4% 13 The lithosphere consists of upper mantle and the ………. A) Atmosphere C) thrust B) crust D) None of the above 14 Atmosphere allows transmission of significant amount of radiation only in the regions of………. A) 100-200 nm C) 300-2500 nm B) 200-500 nm D) None of the above 15 Atmosphere acts as a source for.........for plant photosynthesis A) O2 and Co2 C) No2 and Co2 B) Co2 and N2 D) Co2 and O2 16 ………acts as a source for nitrogen for nitrogen fixing bacteria and ammonia producing plants. A) Atmosphere C) Hydrosphere B) Lithosphere D) Nano sphere 17 The biosphere is very large and complex and is divided into smaller units called……… A) Organisms C) Modules B) Ecosystems D) None of these 18 ……….is a natural process that warms the Earth’s surface. A) Global warming C) Deforestation B) Greenhouse effect D) None of these 19 How is the greenhouse effect experienced on earth? A) Global warming C) Both a and b B) Pollution D) None of these 20 Which of the following gases is/are responsible for global warming? A) Carbon dioxide (co2) C) Both a and b B) water vapour (H2O) D) None of these 21 In desert areas, there is large difference between day and night temperature mainly because of A) Presence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface. B) Presence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface. C) Absence of carbon dioxide in air as it acts as barrier for emanating infrared Prepared By: Ruchira Warekar (Computer Dept.) Page 5 of 23 radiation from the earth surface. D) Absence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface. 22 The radiation energy from the sun is produced by ……….. A) Fission Reaction C) Both a. and b. B) Fusion reaction D) None of the above 23 Which of the following mentioned GHGs has the highest atmosphere lifetime? A) Carbon tetrafluoride C) Methane B) Nitrogen oxide D) CFC 24 Volcanic eruption contribute to the global greenhouse phenomenon. A) TRUE B) FALSE 25 Gas molecules that absorb thermal infrared radiation and are present in large quantity to change climate system are known as……. A) Alpha radiations C) Ozone gases B) Beta radiations D) Greenhouse gases 26 Greenhouse gases which is present in very high quantity is…….. A) Propane C) Carbon dioxide B) Ethane D) methane 27 Exchange of outgoing and incoming radiations that keep earth warm is known as……. A) Greenhouse effect C) Infrared effect B) Radiation effect D) Ozone layer depletion 28 Wavelength of infrared radiations is…….. A) Greenhouse effect C) Infrared effect B) Radiation effect D) ozone layer depletion 29 Greenhouse gases effect on earth’s atmosphere is increased by……… A) CFCs(chlorofluorocarbons) C) Perfumes B) Air conditioners D) Burning fossil fuels 30 If atmosphere doesn’t act like greenhouse, temperature of earth would become…….. A) too pleasant to enjoy C) too hot to survive B) too cold to survive D) too terrible to survive 31 Waves that pass through glass walls of greenhouse are in form of……….. A) gamma rays C) infrared waves B) X-rays D) Radio waves 32 Global warming effects…… A) forests around the globe C) wind and moisture of the globe B) temperature of the globe D) water around the globe Prepared By: Ruchira Warekar (Computer Dept.) Page 6 of 23 2. Energy Resources --------------------------------------------------------------------------------------------- - Total Marks:16 --------------------------------------------------------------------------------------------- - MCQ Question (Total number of Question=Marks*3=16*3=48) 1 This area has no permanent roads or settlements and is maintained primarily for its primitive character and non-motorized recreation. It is a……. A) wilderness area C) national park B) primitive recreation area D) national forest 2 Where will the water sit the longest (longest renewal time)? A) atmosphere C) glacier B) freshwater lake D) ocean 3 Which one is not a disadvantage of a big dam? A) extremely expensive C) electric energy generated from hydropower B) flooding of prime arable land D) blocking upstream migration of salmon 4 Which of the following sources provides the least energy for industrialized countries? A) Pertroleum C) Coal B) Nuclear fuels D) Gas 5 Which of the following energy sources provides a substantial amount of the energy needs for developed countries? A) hydropower C) solar B) wood D) charcoal 6 Which of the following is a highly exploited natural resource? A) water C) soil  B) air D) none of these 7 What are called “Pastures ofthe sea”? A) Estuaries C) Coastal water B) Antartic divergence D) All of the above 8 Which inhibits the native plant life on Antartica from flourishing? A) temperature C) drought B) volcanoes D) ice 9 Soil containing many single soil called A) pedon C) regolith Prepared By: Ruchira Warekar (Computer Dept.) Page 7 of 23 B) poly pedon D) profile 10 Ground water is depleting at the rate of A) 10cm/year C) 10cm/year D)