M.Sc. (Semester III) (CBCS) Examination Nov/Dec-2018
Environmental Science
ENVIRONMENTAL POLLUTION
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
Figures to the right indicate full marks.
Draw neat and labeled diagrams wherever necessary.
Q.1 Rewrite the sentences by choosing correct answer from given alternatives: 14
PAN stands for
Peroxy Actyle Nitrate Peroxy Acyl Nitrite
Pyridin Aceto-nitric Peroxy Aceto Nitrile
The classical smog mainly composition of
Hydrocarbons Hydrocarbons and SO2
Hydrocarbons and N2O Particulate matter and SO2
Every individual person inhale air daily about
100 kg 1 kg
15-22 kg 50 kg
Which of the following level of noise can be tolerated by human
20 decibels 80 decibels
120 decibels 100 decibels
India has large resources nuclear materials
Uranium Deuterium
Plutonium Thorium
Bhopal gas tragedy was occurred in 1984 due to leakage of the gas.
Methyl Isocynate Ethylene Cyanide
Methyl Mercury Methyl Cyanide
Acid rain is a rainfall having pH
Greater than 7 Less than 7
Greater than 5.5 Equal to 5.5
Blue Baby Syndrome causes due to the excess intake of
Nitrate Nitrite
Nitrogen None of these
Major pollutant present in jet plane emission
CCL4 SO2
CO Fluro-Carbon
10) Al is more dangerous and poisonous at pH of
5.7 7
5 6
11) Radioactive pollution along Kerala coast is due to
Thorium Cesium
Plutonium Uranium
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SLR-VI-293
12) Natural gas is composed primarily of
Methane N-octane
N-butane None of the above
13) Why DDT is banned?
Long persistence Kills insect
Highly toxic High decomposition
14) Solid and Hazardous management rules enforced in
1988 1989
1998 1987
Q.2 Answer the following (Any
1. Metrological parameters
2. Greenhouse gases
3. Soil acidity
4. Hospital waste
5. Noise level
08
Write notes on (Any
1. Describe the water pollution monitoring procedure in brief.
2. Explain the Industrial noise control technologies
3. State the impact of Acid rain on environment in brief.
06
Q.3 Answer the following (Any
1. Define soil pollution; explain the sources and impacts.
2. Describe the control measures of Air pollution in brief
3. Describe water pollution case study in brief.
08
Answer the following (Any
1. Write an account on Solid Waste, its classification. How 3R principle is
significant in waste minimization.
2. Write the procedures of water pollution control techniques with suitable
examples
06
Q.4 Answer the following (Any
1. Describe the pesticide problems in India with appropriate case study and
suggest the remedial measures.
2. What is sources and impact of groundwater pollution in brief?
3. Explain the causes and impacts of radioactive pollutants?
10
Answer the following (Any
1. Vehicular pollution problems in India
2. Thermal pollution problems
04
Q.5 Answer the following (Any Two) 14
Describe the solid waste disposal techniques in brief.
Describe Oil pollution problems and possible impacts on marine life.
Write in brief mining pollution problems in India with suitable case study.