B.Sc. I (Semester II) Biotechnology (CBCS) Examination, 2018
Environmental Pollution and Environmental Pollution Techniques
Paper I Environmental Pollution
Day and Date Monday, 19-11-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Figures to the right indicate full marks.
Draw neat labeled diagrams wherever necessary.
1. Choose the correct alternative and rewrite the sentences again. 14
type of sources of energy do not produce carbon dioxide.
Wind energy Geothermal energy
Hydroelectric energy All of the above
ii) COD stands for
Carbon Oxygen Demand Carbonic Oxygen Desert
Chemical Oxygen Demand None of these
iii) Global warming also refers to as
Climate change Ecological change
Atmosphere change None of the above
iv) is not a greenhouse gas.
Carbon dioxide Methane
Nitrous oxide Carbon monoxide
June 5th, is celebrated as
World food day World science day
World environment day Tree plantation day
vi) Acid rain is related with
Taj Mahal Aerosols
Bhopal Gas Tragedy London Smog
vii) India has the world's largest share of
Manganese Mica
Copper Diamond
viii) The most harmful environmental pollution from nuclear reactor is
Radioactivity Particulate formation
Thermal pollution Noise pollution
ix) is not a primary pollutant.
SO2 Volcanic ash
O3 CO2
Of the total water on the Earth, fresh water reserves constitute approximately
70% 2.7% 10% 8.9%
xi) Minamata disease was caused by consumption of fish containing
Mercury Lead
Zinc Sulphur
xii) is not long range effect caused due to radiation.
Genetic change Anaemia
Immediate death Loss of vitality
xiii) Chernobyl nuclear disaster take place on
1980 1986 1982 1983
xiv) gas is mainly produced due to the incomplete burning of wood.
CO SO2 NO2 NO3
2. Define and explain any seven of the following 14
Marine pollution.
ii) Acid rain.
iii) Draw diagram of cyclone chamber.
iv) Thermal pollution.
Pollutant with two example.
vi) Isotopes.
vii) Soil pollution.
viii) Non Conventional Energy.
ix) Pyrolisis.
3. Answer any two of the following 10
Write a note on Green house effect.
ii) Explain in brief the air pollution.
iii) Explain in short the solar energy.
Explain in short adverse effect of noise pollution. 4
4. Answer any two of the following 14
Give a detailed account on effect of water pollution on human and environment.
ii) Explain in detail the molasses fermentation for alcohol production.
iii) Describe in detail conventional energy sources.
5. Answer any two of the following 14
Explain in detail treatment on nuclear waste.
ii) Write an essay on impact of pollution.
iii) Explain in detail land pollution.