Banaras Hindu University M.Sc. Environmental Science Solved Question Paper 2020 The M.Sc. environmental science entrance exam consists of 2 sections. Section A- (Compulsory for all) 40 questions from Basic environmental science. Section B- 80 questions for Life science or Zoology and Botany students OR Section B- 80 questions for Physical science OR Section B- 80 questions for Earth science students Section A is provided below Section A- Basic Environment Science 2020 Question Paper Nickel is an essential for which enzyme in plants ? ?  Fructose- 1,6- bisphosphatase ?  Urease ?  Catalase ?  Sucrose synthase Major reservoir of atmospheric OH molecule is : ?  Hydroperoxyl radical ?  Ozone ?  Hydrogen peroxide ?  Methane How many goals are there in UN Sustainable Development Goals ? ?  Seven ?  Seventeen ?  Fifteen ?  Ten Nutrient enrichment of water leads to : ?  Solidification ?  Nitrification ?  Dentrification ?  Eutrophication Which of the following is the major source of atmospheric SO2 pollution ? ?  Coal combustion ?  Global warming ?  Automobile emissions ?  Biomass burning Which among the following weeds in India having religion significance ? ?  Eupatorium perfoliarum ?  Panhenium hysterophorus ?  Calorropis procera ?  Ageratum conyzoides Which of the following is a biodiversity hotspot in India ? ?  Sunderbans ?  Pachmarhi ?  Rann of Kuch ?  Western Ghats UN agency for making policy guidelines regarding biodiversity conservationand management is : ?  IUCN ?  IPBES ?  DIVERSITA ?  IPCC Blackfoot disease is caused by : ?  Cadmium ?  Mercury ?  Arsenic ?  Zinc Largest source of freshwater resource on the Earth is ?  Glaciers and permanent snow ?  Groundwater ?  Lakes and rivers ?  Marshes and wetlands Y- shaped energy flow model in the ecosystem was proposed by ?  Lindeman ?  Wiegert and Owen ?  Odum ?  Golley Hot spots are the regions which are rich in ?  Biodiversity ?  Invasive species ?  Nomadic population ?  Atmospheric pollutants The Environment (Protection) Act came into force in the year ?  1974 ?  1980 ?  1984 ?  1986 Which of the following law states that the absorptivity and emissivity of asubstance are equal at each wavelength, λ ? ?  Stefan Boltzmann Law ?  Stock’s Law ?  Kirchhoff’s Law ?  Henry Law The capacity of an ecosystem to come back to its original state after a disturbance : ?  Biotic potential ?  Ecesis ?  Carrying capacity ?  Resilience DDT is an example of : ?  Carbonate ?  Pyrethroids ?  Organophosphate ?  Organochloride Which of the following is the cleanest city of India ? ?  Ahmedabad ?  Bhopal ?  Shillong ?  Indore Large sized vessels for producing an industrial product at large scale is known as : ?  Incubator ?  Autoclave ?  Bioreactors ?  Centrifuge Halocline is the region showing change in : ?  Salinity ?  Pressure ?  Density ?  Temperature The agency responsible for monitoring SDGs implimentation in India : ?  NGT ?  MoEF & CC ?  NITI Aayog ?  DST Kanha National Park is situated in : ?  Assam ?  Madhya Pradesh ?  Uttar Pradesh ?  Maharashtra The flattest planet of the Solar System is : ?  Pluto ?  Jupiter ?  Mars ?  Saturn ‘Good economics for hard times’ written by : ?  Y.N. Harari ?  A. Banerjee & E.Duflo ?  Jefferey D. Sachs ?  Aldo Leopold The measurement of appropriation of land and water area utilizable as a resourceas well as for the absorption of wastes is commonly referred to as : ?  Material footprint ?  Water footprint ?  Ecological footprint ?  Energy footprint The metal used to recover copper from a solution of copper sulphate is : ?  Na ?  Ag ?  Hg ?  Fe Polar orbiting satellites are generally placed at an altitude of : ?  7-15 km ?  700- 1500 km ?  7000- 15000 km ?  70- 150 km Which of the following is a major coal reserve in India ? ?  Jaunpur ?  Hissar ?  Jharia ?  Kottayam Red data list includes those species that are : ?  Harmful to human beings ?  Responsible for pollution ?  Facing the risk of extinction ?  Abundant in nature Which among the following is the classical book whichaddressed the impact of DDT pollution is ? ?  The Sea Around Us ?  The Sand Country Almanac ?  Once Straw Revolution ?  Silent Spring Which of the following is mixed with Bitumen to lay roads ? ?  Polychain ?  Polybend ?  Polynone ?  Polyclean Among of biodegradable oraganic matter in sewage water is estimated by measuring : ?  Hardness ?  Biochemical Oxygen Demand ?  Chemical Oxygen Demand ?  Alkalinity Which of the following is an invasive species in India ? ?  Water hyacinth ?  Water lily ?  Water chestnut ?  Fox nut Rad is a : ?  Unit of radiation in environment ?  Unit of radioactivity ?  Unit of absorbed radiation dose ?  Unit of radioactive breakdown of Radon Which type of coal contain maximum sulphur ? ?  Bituminous ?  Anthracite ?  Peat ?  Lignite In accordance of the ‘Paris Agreement’, India’s commitment to increasethe share of renewable energy by the year 2030 is : ?  40% of installed capacity ?  40% of utilized capacity ?  45% of installed capacity ?  45% of utilized capacity UN has recently declared 2021-2030 as : ?  International decade of ecosystem restoration ?  International decade of marine conservation ?  International decade of forest restoration ?  International decade of biodiversity conservation Which of the following antibiotics block protein synthesis in bacteria ? ?  Ampicillin ?  Pencillin ?  Carbenicilin ?  Tetracycline Rill, gully and riparian are types of : ?  Wind erosion ?  Water erosion ?  None of the three ?  Landslide erosion In an ecosystem, the flow of energy is : ?  Unidirectional ?  Mutidirectional ?  Cyclic ?  Bidirectional Most abundant element of earth crust is : ?  Sulphur ?  Aluminium ?  Iron ?  Oxygen