Solapur University
B.Sc. (Part – I) (Semester – II) Examination, 2015
BIOTECHNOLOGY
(Env. Pollution and Microbial Techniques) (Old)
Pollution (Paper – I)
Day and Date : Tuesday, 21-4-2015 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
N.B. : 1) All questions are compulsory.
2) Draw neat and labelled diagrams wherever necessary.
3) Figures to the right indicate full marks.
1. Rewrite the following sentences by selecting correct answers from given
alternatives. 10
1) The Bhopal gas tragedy occurred in 1984, due to toxicity of __________ gas.
a) Pesticide fumes
b) Benzyl mercury
c) Methyl isocynate
d) Phenyl mercury
2) The concentration of chemicals, which increases at each trophic level of
food chain are known as ___________
a) Biomagnification
b) Biotransformation
c) Bioaccumulation
d) Reduction
3) The process that convert solid coal into liquid hydrocarbon fuel is called
___________
a) catalytic conversion b) Liquefaction
c) Cracking d) Carbonation
4) __________ is not a type of fossil fuel.
a) Coal b) Oil
c) Natural gas d) Biofuel
SLR-M – 21 -2-
5) The half life of DDT in temperate climate is ___________
a) 10 – 15 years b) 5 – 6 years
c) 2 – 4 years d) 20 years
6) Carbon monoxide hazardous to health because, __________
a) It causes loss of sense of smell
b) It is carcinogenic in nature
c) It reduces oxygen carrying capacity of blood
d) It causes conjunctivitis
7) Energy obtained from sea waves are called ____________
a) Thermal energy
b) Tidal energy
c) Geo-thermal energy
d) Biomass energy
8) Depletion of ozone layer in the outer atmosphere is increase the incidence of
___________
a) Skin cancer b) Lung cancer
c) Bronchitis d) Kidney damage
9) Eutrophication of water bodies is caused by the __________
a) Discharge of toxic substances
b) Excessive discharge of nutrients
c) Discharge of chlorides
d) Discharge of total solids
10) The soil acidity is controlled by using ___________
a) Urea b) Phosphorus
c) Lime d) Nitrogen
2. Describe any 5 of the following : 10
1) What is global warming ?
2) Enlist sources of marine pollution.
3) Explain what is gasification.
4) Write down advantages of solar energy.
5) Write down unit of radiation measurement.
6) Write down effect of chemical fertilizer.
-3- SLR-M – 21
3. A) Write down any two of the following : 6
1) Write down briefly on ozone layer depletion effects.
2) Explain what is eutrophication ?
3) Write down briefly on Minamata disease.
B) What is thermal pollution ? Explain effects of thermal pollution on aquatic
ecosystem. 4
4. Write down note on any two of the following : 10
1) Write down in details different treatment methods of radioactive pollutant.
2) Write down Air (Prevention and Control of Pollution) Act in detail.
3) Write down sources and effects of soil pollution.
5. Answer any two of the following : 10
1) Enumerate different air pollutants and write down their effect on human health.
2) Explain the term ‘biomagnification’, giving example of DDT at different trophic
level.
3) Describe the process of biogas generation.
B.Sc. (Part – I) (Semester – II) Examination, 2015
BIOTECHNOLOGY
(Env. Pollution and Microbial Techniques) (Old)
Pollution (Paper – I)
Day and Date : Tuesday, 21-4-2015 Max. Marks : 50
Time : 11.00 a.m. to 1.00 p.m.
N.B. : 1) All questions are compulsory.
2) Draw neat and labelled diagrams wherever necessary.
3) Figures to the right indicate full marks.
1. Rewrite the following sentences by selecting correct answers from given
alternatives. 10
1) The Bhopal gas tragedy occurred in 1984, due to toxicity of __________ gas.
a) Pesticide fumes
b) Benzyl mercury
c) Methyl isocynate
d) Phenyl mercury
2) The concentration of chemicals, which increases at each trophic level of
food chain are known as ___________
a) Biomagnification
b) Biotransformation
c) Bioaccumulation
d) Reduction
3) The process that convert solid coal into liquid hydrocarbon fuel is called
___________
a) catalytic conversion b) Liquefaction
c) Cracking d) Carbonation
4) __________ is not a type of fossil fuel.
a) Coal b) Oil
c) Natural gas d) Biofuel
SLR-M – 21 -2-
5) The half life of DDT in temperate climate is ___________
a) 10 – 15 years b) 5 – 6 years
c) 2 – 4 years d) 20 years
6) Carbon monoxide hazardous to health because, __________
a) It causes loss of sense of smell
b) It is carcinogenic in nature
c) It reduces oxygen carrying capacity of blood
d) It causes conjunctivitis
7) Energy obtained from sea waves are called ____________
a) Thermal energy
b) Tidal energy
c) Geo-thermal energy
d) Biomass energy
8) Depletion of ozone layer in the outer atmosphere is increase the incidence of
___________
a) Skin cancer b) Lung cancer
c) Bronchitis d) Kidney damage
9) Eutrophication of water bodies is caused by the __________
a) Discharge of toxic substances
b) Excessive discharge of nutrients
c) Discharge of chlorides
d) Discharge of total solids
10) The soil acidity is controlled by using ___________
a) Urea b) Phosphorus
c) Lime d) Nitrogen
2. Describe any 5 of the following : 10
1) What is global warming ?
2) Enlist sources of marine pollution.
3) Explain what is gasification.
4) Write down advantages of solar energy.
5) Write down unit of radiation measurement.
6) Write down effect of chemical fertilizer.
-3- SLR-M – 21
3. A) Write down any two of the following : 6
1) Write down briefly on ozone layer depletion effects.
2) Explain what is eutrophication ?
3) Write down briefly on Minamata disease.
B) What is thermal pollution ? Explain effects of thermal pollution on aquatic
ecosystem. 4
4. Write down note on any two of the following : 10
1) Write down in details different treatment methods of radioactive pollutant.
2) Write down Air (Prevention and Control of Pollution) Act in detail.
3) Write down sources and effects of soil pollution.
5. Answer any two of the following : 10
1) Enumerate different air pollutants and write down their effect on human health.
2) Explain the term ‘biomagnification’, giving example of DDT at different trophic
level.
3) Describe the process of biogas generation.
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