MH SET 2011: 27 November, Paper II, Environmental Sciences
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ENVIRONMENTAL SCIENCE
Paper II
Time Allowed : 75 Minutes] [Maximum Marks : 100
Note : This Paper contains Fifty (50) multiple choice questions. Each question
carries Two (2) marks. Attempt All questions.
1. Synoptic scale in meteorology 4. In a closed ecosystem :
generally refers to weather systems
(A) Energy is not allowed to flow
having spatial extents of :
across its boundary
(A) 10 to 100 km
(B) Energy and matter are not
(B) > 10,000 km
allowed to flow across its the
(C) ~ 1000 km
boundary
(D) 100 to 200 km
(C) Energy is not allowed to flow
2. Maximum concentration of ozone
but matter is allowed to flow
exists in :
across its boundary
(A) stratosphere
(D) Energy is allowed to flow but
(B) troposphere
matter in not allowed to flow
(C) mesophere
across its boundary
(D) thermosphere
5. Among the following, identify the
3. The first Indian biosphere reserve
coagulant :
was :
(A) Sundarbans (A) Fe2(SO4)3
(B) Nilgiri (B) CaO
(C) Nanda Devi (C) Alum
(D) Kaziranga (D) Polyelectrolyte
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6. Which technique is a non- 10. COD is always :
destructive technique for analysing
(A) equal to BOD
the environmental samples ?
(B) ≥ BOD
(A) XRF
(C) < BOD
(B) AAS
(C) GC(FID) (D) 1.8 times of BOD
(D) ICP-AES 11. Which of the following is a
commercial source of resin ?
7. When lead levels in blood increase
beyond 0.8 ppm, the system to which (A) Rubber
disease is noticed first ? (B) Babool
(A) Azoospermia
(C) Hirda
(B) Dermatitis
(D) Subabool
(C) Anaemia
12. Which of the following is a beneficial
(D) Mottled teeth interaction ?
8. The major oxidant found in polluted (A) Antagonism
atmosphere during the day is :
(B) Parasitism
(A) NO2
(C) Competition
(B) PAN
(D) Mutualism
(C) O3
13. If population of a species has rapidly
(D) NO
reduced in the recent past, it is
9. The residence time of Methane
called...................species :
(CH4) is approximately :
(A) endangered
(A) 4 days
(B) Threatened
(B) 10 days
(C) 10 months (C) Extinct
(D) 3.5 years (D) Rare
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14. Which of the following organisms is 17. Sea water contains many dissolved
nitrogen fixer ? compounds in which most
(A) Azotobacter predominant basic element is :
(B) Rhizobium (A) Potassium
(C) Anabaena (B) Calcium
(D) Azosplrillum (C) Sodium
15. Which of the following is odd for (D) Magnesium
plant growth promotion by
18. Maximum intensity of terrestrial
Azotobacter chroococcum ?
radiations emitted by earth is
(A) Plant growth hormones
around wavelength :
(B) Biocontrol
(A) ~ 5.4 µm
(C) Nitrogen fixation
(B) ~ 18 µm
(D) Parasitism
(C) ~ 13.6 µm
16. Earthquakes are associated with
(D) ~ 9.6 µm
body and surface waves which a
monitoring station receives in the 19. Marine pollution is mostly caused in
following order : the open ocean due to :
(A) Rayleigh wave, P-wave, S-wave (A) Oil spills
(B) S-wave, P-wave, love wave (B) River discharge
(C) P-wave, S-wave, Rayleigh wave (C) Coastal industries
(D) Love wave, Rayleigh wave, (D) Municipal waste water
P-wave discharge
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20. Avalanches are more common in 23. In an ideal MHD power plant the
India over : output electrical power varies with
magnetic field B as proportional
(A) Western Ghats
to :
(B) Himachal Pradesh (A) B
(C) Eastern Ghats (B) B 2
(D) Khasi and Jantia Hills (C) B 3/2
(D) B 1/2
21. The optimum range of wind speed
for wind power generation is : 24. Hydroelectric power generation
accounts for nearly....................%
(A) ~ 4 to 12 m/sec
energy generated in India :
(B) ~ 15 to 25 m/sec (A) 5%
(C) ~ 1 to 5 m/sec (B) 15%
(D) ~ 30 to 35 m/sec (C) 30%
(D) 40%
22. In a PV cell electron hole pairs are
25. Biofuels are now being increasingly
created mainly in :
used as these are :
(A) p-region
(A) less polluting and renewable
(B) n-region
(B) more affordable
(C) p-n junction (C) having more energy content
(D) both p and n regions (D) more water efficient
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26. Which of the following constitute 29. Recyling of waste means :
floatable solids ?
(A) Reuse of waste
(A) Proteins (B) Recovery of valuable products
(B) Polysaccharides (C) Reduction of waste
(C) Lipids (D) Converting waste into valuable
(D) Nucleic acid products
27. Which of the following scientists 30. Classic or criteria pollutants of air
include :
developed enrichment culture
technique ? (A) SPM, CO, NO2, SO2
(A) Winogradsky (B) CO, HC, NO2, PAN
(B) Alexander (C) NO2, O3
(C) Robert Koch (D) SPM, Benzene, O3, PAN
31. In which component of EIA the
(D) Beijerinck
proposed mitigation measures and
28. Which of the following is indicator
monitoring scheme are cited ?
of microbial quality of water ?
(A) Environmental setting
(A) E. coli
(B) Environmental management
(B) Azotobacter
plan
(C) Rhizobium
(C) Prediction of impacts
(D) Bacillus (D) Identification of impacts
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32. Title II of National Environmental 35. The environmental impacts of policy,
Policy Act (NEPA) establishes : plan or program are evaluated
(A) National goal of Environmental by :
Policy
(A) Comprehensive Environmental
(B) Council for Environmental
Impact Assessment
Quality
(C) Protection of Natural Resources (B) Strategic Environmental
Impact Assessment
(D) EIA and EIS
33. An environmental inventory for EIA (C) Social Impact Assessment
is : (D) Draft Environmental Impact
(A) Description of affected Assessment
environment
36. Wildlife Protection Act, 1972 was
(B) Description of total
amended in the year :
environment
(C) Description of partial (A) 1991
environment (B) 1995
(D) Description of a specific
(C) 1990
environment
(D) 1985
34. The impact identification process in
EIA brings together : 37. Which of the following solids are
(A) Baseline information and filterable ?
project characteristics
(A) Mixed liquor suspended solids
(B) Impacts and project (MLSS)
characteristics
(B) Dissolved solids (DS)
(C) Impacts and baseline
information (C) Total solids (TS)
(D) Cost and project characteristics (D) Sludge
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38. Biomedical waste is hazardous due 41. The null hypothesis pertaining to all
to the presence of : the regression coefficients
simultaneously is tested using :
(A) Cellulosic matter
(A) t-statistic
(B) Waste food
(B) f-statistic
(C) Pathogens (C) Chi-square statistic
(D) Fruit wastes (D) z-statistic
39. Under Public Insurance Liability 42. The geometric mean of the data
Act, the maximum amount which series 2, 3, 6, 36 is................. .
could be paid to the victims by the (A) ~ 12
concerned company/industry is (B) 6
equal to : (C) 18
(A) Rs 1 lac (D) 10.5
(B) Rs 5 lac 43. Which of the following represents
population parameters ?
(C) Paid up equity capital of the
company/industry (A) x
(B) s
(D) 50% of paid up equity capital
of the company/industry (C) µ
(D) s2
40. Which of the following waste
treatment methods is an example of 44. Which is the suitable technique to
establish the association between
Recycling ?
human health status in a village
(A) Stabilization of waste and quality of drinking water ?
(B) Converting waste into useful (A) Chi-square test
biomass (B) Correlation analysis
(C) Burning waste (C) K-S test
(D) Lagooning waste (D) t-test
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45. The level of significance in multiple 48. The present installed capacity of
regression models is usually taken electricity in our country is about :
as............... .
(A) 10% of global capacity
(A) 5%
(B) 15% of global capacity
(B) 20%
(C) 3% of global capacity
(C) 2%
(D) 12% of global capacity
(D) 10%
49. In the recently held Cancun
46. Annex I countries account for Summit the UN member states
nearly...............% of global CO 2 committed themselves to restrict the
emissions : rise of global surface temperature to
(A) 85 a maximum of .................by 2050 :
(B) 65 (A) 1ºC
(C) 55 (B) 2ºC
(D) 45 (C) 3ºC
47. The cause of eutrophication is : (D) 4ºC
(A) Discharge of nutrient rich 50. The Montreal protocol on substances
effluent that deplete the ozone layer was
approved in :
(B) Discharge of metal rich effluent
(A) 1980
(C) Discharge of Organic matter
rich effluent (B) 1990
(D) Discharge water from power (C) 1987
plants (D) 1975
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Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.