MH SET 2013: 17 February, Paper II, Environmental Sciences
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FEB–31213/II
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. Mixing ratio is a measure of : 3. Thunderstorms in weather systems
are considered as phenomena
(A) Relative humidity
occurring at :
(B) Precipitation
(A) micro scale
(C) Wind speed (B) meso scale
(D) Radiations (C) synoptic scale
2. The characteristic length of pressure (D) global scale
variations in vertical directions in 4. The speed of geostrophic wind for an
air parcel of known density at a place
atmosphere is approximately :
depends on :
(A) 2 km
(A) latitude only
(B) 5 km
(B) latitude and pressure gradient
(C) 7 km (C) pressure gradient only
(D) 8 km (D) longitude and latitude
1 [P.T.O.
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5. Hardness is commonly measured in 8. Pesticides can be estimated using :
terms of :
(A) Gel electrophoresis
(A) MgSO4 equivalents
(B) GC
(B) MgCO3 equivalents
(C) Flame photometry
(C) CaSO4 equivalents
(D) AAS
(D) CaCO3 equivalents
9. NOx is a mixture of :
6. In high performance liquid
(A) NO2 and N2O5
chromatography the most commonly
used detector is : (B) NO and N2O5
(A) Fluorescence detector (C) NO and NO2
(B) Refractive index detector (D) NO, NO2, N2O5
(C) UV absorption detector
10. Upto what dissolved oxygen
(D) Flame ionisation detector levels most fishes can live in
7. Redox potential is measured in units water ?
of :
(A) 1 ppm
(A) Watts
(B) 2 ppm
(B) Calories
(C) 3 ppm
(C) Millivolts
(D) 6 ppm
(D) Coulomb/meter
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11. Which of the following ecosystems 14. Which of the following techniques
has upright ecological pyramid of is used to monitor air microflora ?
biomass ?
(A) Spread plate technique
(A) Desert
(B) Pour plate technique
(B) Pond
(C) Direct microscopic technique
(C) Forest
(D) Agar impacting technique
(D) Soil
15. Which of the following is a beneficial
12. Which of the following represents
pioneer colonizer of soil ? interaction ?
(A) Algae (A) Antagonism
(B) Lichens (B) Parasitism
(C) Fungi (C) Competition
(D) Protozoa
(D) Mutualism
13. Inefficiency in transfer of energy
16. Run-off in a catchment is likely to
in an ecosystem is represented
increase due to :
by :
(A) Deforestation
(A) Energy pyramid
(B) Population pyramid (B) Afforestation
(C) Food web (C) Reforestation
(D) Succession (D) Ecorestoration
3 [P.T.O.
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17. Western disturbances generally 20. Atmospheric window is
occur frequently during .............. around :
months in India.
(A) 3 µm – 5 µm
(A) November — April
(B) 2 µm – 7 µm
(B) June — September
(C) 8 µm – 11 µm
(C) April — June
(D) 20 µm – 25 µm
(D) June — July
21. The energy in sun is produced as
18. In remote sensing studies, the
surface roughness or smoothness is a result of :
decided by the criterion given (A) nuclear fission
by :
(B) nuclear fusion
(A) Planck
(C) thermal convection
(B) Peak and Olives
(D) chemical reaction
(C) Bohr
22. The country making maximum
(D) Raman
percentage use of nuclear energy
19. The radiometric resolution in case
of LANDSAT/TM is : is :
(A) 1/64 (A) France
(B) 1/128 (B) Japan
(C) 1/256 (C) Brazil
(D) 1/512
(D) USA
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23. The average solar insolation 26. Each of two identical sources
at the surface of earth is produce 80 dB of noise at a given
about : location. What is the resultant noise
(A) 0.2 cal/inch2/minute level ?
(B) 350 w/m2 (A) 160 dB
(C) 750 w/m2 (B) 120 dB
(D) 120 w/m2 (C) 83 dB
24. Solar energy is not very popular as (D) 86 dB
compared to conventional energy 27. Bioaugmentation means :
options because it :
(A) stimulation of non-specific
(A) is less affordable and less
organisms
efficient
σ2 (B) stimulation of specific organisms
(B) creates thermal pollution
(C) inoculation of specific microbial
(C) is less socially acceptable
consortium
(D) is less accessible
(D) Inoculation of non-specific
25. For an ideal MHD power plant, the
microbial consortium
power output varies with the
28. Which of the following represents
conductivity (σ) of the working fuel
anoxygenic photo autotroph ?
as proportional to :
(A) (A) Chromatium
(B) σ 3 (B) Nostoc
(C) σ 3 / 2 (C) Chlamydomonas
(D) σ (D) Anabaena
5 [P.T.O.
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29. Which of the following is a gaseous 32. Environmental Audit is conducted
fuel ? on :
(A) Ethanol (A) Regular basis
(B) Butanol (B) Periodical basis
(C) Methane (C) Annual basis
(D) Methanol (D) Biomonthly basis
30. In order to correctly assess the 33. The radius for collection of data on
environmetnal aspects for EIA of a
health impact due to aerosols, one
proposed project site is :
has to measure :
(A) 10 km
(A) SPM concentration
(B) 50 km
(B) PM2.5 concentration
(C) 1 km
(C) structure of aerosols
(D) 100 km
(D) density of aerosols
34. The environmental impacts of
31. “It shall be the duty of every citizen
policy, plan or program are
of India to protect and improve the
evaluated by :
natural environment” is mentioned
(A) Social impact assessment
in the following article of Indian
Constitution : (B) Draft environmental impact
assessment
(A) 48 A
(C) Comprehensive environmental
(B) 21
impact assessment
(C) 51 A
(D) Strategic environmental impact
(D) 42 assessment
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35. Title II of National Environmental 38. Compost is used as soil conditioner
Policy Act (NEPA) establishes : because :
(A) Council on Environmental (A) it decreases pH of soil
Quality (CEQ)
(B) it increases nitrogen content
(B) National goal on Environmental
(C) it depletes oxygen of soil
Policy
(D) it increases water retention
(C) Protection of natural resources
capacity of soil
(D) EIA and EIS
39. Biomedical waste is hazardous due
36. Separation of solids in waste by
to the presence of :
sedimentation is based on :
(A) Volume (A) Cellulosic matter
(B) Mass (B) Waste food
(C) Size (C) Pathogens
(D) Morphology (D) Fruit waste
37. Agriculture residues are rich 40. Kyoto Protocol would expire in the
in : year :
(A) Proteins
(A) 2011
(B) Lipids
(B) 2012
(C) Cellulose
(C) 2014
(D) Fatty acids
(D) 2015
7 [P.T.O.
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41. In terms Z-statistics the mean and 44. If the data regarding occurrence of
standard deviation of normal
a particular disease in different
distribution are ............... .
zones around a factory are tabulated
(A) in a contingency table, what is the
(B) suitable technique to establish
(C) relationship between occurrence of
that disease and location with
(D)
respect to factory :
42. The level of significance in multiple
regression models is usually taken (A) t-test
as : (B) Correlation
(A) 5%
(C) Chi-square test
(B) 20%
(D) F-test
(C) 2%
45. The null hypothesis pertaining to all
(D) 10%
the regression coefficients
43. Which of the following represents simultaneously is tested using ......... .
sample statistics ?
(A) Z-statistics
(A) µ
(B) F-statistics
(B)
(C) Chi-square statistics
(C)
(D) t-statistics
(D) σ 2
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46. Eutrophication represents :
49. The present installed capacity of
(A) Algal blooms
electricity in our country is about
(B) Metals in water
............ of the global energy
(C) Fungal growth
(D) Bacterial growth generation.
47. In our country nearly ..............% of
(A) 10%
water is used in the agricultural
sector much of which is very (B) 20%
wasteful.
(C) 15%
(A) 70
(D) 3%
(B) 60
(C) 85 50. The convention for protection and
(D) 95
conservation of wetlands is :
48. The Montreal Protocol signed in
1987 deals with the control of : (A) Montreal Protocol
(A) Trading in rare species
(B) Ramsar Convention
(B) Ozone depleting substances
(C) Kites Convention
(C) Emission from industries
(D) Land degradation (D) Convention on Biodiversity
9 [P.T.O.
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ROUGH WORK
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Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.