MH SET 2013: 1 December, Paper II, Environmental Sciences
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DEC-31213/II 2
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DEC-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. According to second law of 3. Normal pressure of the atmosphere
at mean sea level is ........................ .
thermodynamics ........................ .
(A) 1000 hpa
(A) Every energy transfer is 100% (B) 1013.2 hpa
efficient (C) 1020 hpa
(B) No energy transfer is 100% (D) 1000.2 hpa
efficient 4. Maximum concentration of ozone in
the atmosphere occurs at/in :
(C) Energy transfer enriches next
(A) Near ground
trophic level in energy content
(B) Mesosphere
(D) Energy transfer could increase (C) Upper stratosphere
more than 100% energy in an (D) Lower stratosphere
ecosystem 5. Wind rose diagram of a station gives
.................. .
2. The atmosphere takes up moisture
(A) Frequency of extreme wind
from water bodies (lakes, rivers and speeds
oceans) through ........................ . (B) Frequency of wind speeds of
different ranges
(A) Condensation
(C) Frequency of wind from
(B) Evaporation different directions in different
speed ranges
(C) Precipitation
(D) Frequency of wind from
(D) Infiltration different directions
3 [P.T.O.
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6. Which of the following radionuclides 9. How much is the permissible limit
is present in human body ? of arsenic in drinking water ?
(A) I–131 (A) 10 mg/lit
(B) Zn–65 (B) 1 mg/lit
(C) Co–60 (C) 10 µg/lit
(D) C–14 (D) 1 µg/lit
7. 100 mg of NaCl dissolved in 10. Mineral matter in soil is
100 mL water represents how many approximately ........................ .
ppm ?
(A) 10%
(A) 1000
(B) 25%
(B) 1.0
(C) 40%
(C) 10
(D) 30%
(D) 100
11. The interlocking network of transfer
8. 10% transmittance of a solution on
of food from one trophic to another
colorimeter indicates an absorbance
can be explained using :
of ........................ .
(A) Food-chain
(A) 2
(B) Food-web
(B) 1
(C) Detritus cycle
(C) 0.1
(D) Exchange pool
(D) 0.2
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12. Western Ghats mountain range is 15. Liquid based formulation of
called as ecological hot spot because : biofertilizer are designed for :
(A) Number of plants is high (A) Soil application through drip
irrigation
(B) Number of animals is high
(B) Aerial application
(C) Number of plants and animals
(C) Seed application
is high
(D) Root application
(D) Number of species of biota is
16. ‘Avalanche’ are a result of which of
high
the following ?
13. There are more/varied and
(A) Earthquakes beneath the ocean
specialized niche found in :
floor
(A) Alage
(B) Pressure differentials on the
(B) Pteridophytes equator
(C) Plants (C) Pollution of mountainous
regions
(D) Animals
(D) Unstability of ice-capped hilly
14. A series of orderly changes that
terrains (glaciers)
occurs in nature over the time and
17. ‘Silica oozes’ are located at which of
space is known as :
the following sites ?
(A) Ecological succession
(A) Meandering river beds
(B) Ecological degradation (B) Deep sea floors
(C) Decline in number of species (C) Lake deposits
(D) Increase parasites (D) River banks
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18. The excessive rains/droughts, caused 21. Maximum permissible dose of
due to El Nino, are prominently
radiation for worker is :
observed along ........................ .
(A) 5 rem/year
(A) coasts of Peru and Chile
(B) 2 rontgen/year
(B) eastern coastal belt of South
America (C) 1 rontgen/year
(C) eastern coastal belt of India (D) 2 rem/year
(D) eastern coastal regions of Japan
22. How much nuclear energy is released
19. Which of the following is associated per fission of U-235 ?
with the phosphorous cycle of the
(A) 1000 keV
earth ?
(B) 100 keV
(A) Trade winds
(B) Guano (C) 200 meV
(C) Photosynthesis (D) 500 MeV
(D) Evaporation of water 23. Nearly ........................ % of solar
20. The hazardous surface effects of an energy is in the infrared region of
earthquake are due to ........................ . the solar spectrum.
(A) Primary waves (A) 46
(B) Secondary waves
(B) 30
(C) ‘L’ waves
(C) 78
(D) shear waves
(D) 25
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24. Arrange them in decreasing order 27. Acidification of soil has been
of their pollution potential : reported from various parts of
the country which is caused due
(A) Natural gas, coal, petroleum
to :
(B) Coal, petroleum, natural gas
(A) use of organic fertilizers
(C) Petroleum, coal, natural gas
(B) excess and long term use of
(D) Natural gas, petroleum, coal inorganic fertilizers
25. There are different stages in the (C) practice of crop rotation
biomethanation of waste. Which of
(D) controlled irrigation
the following involves methane
28. O3 pollution is indicated by plant
generation ?
leaves in the form of :
(A) Aceticlastic
(A) Intercoastal bronzing
(B) Acetogenic
(B) Minute chlorotic dots
(C) Acidogenesis
(C) Tip and margin browning
(D) Hydrolysis
(D) Watery film on epidermis
26. The water sample for D.O. analysis
29. Mangroves are ecologically
is fixed at the site itself because : important because :
(A) D.O. increases in transit (A) They are evergreen in
(B) The D.O. depletes due to nature
microbial activity (B) They function as nursery for
(C) Suspended solids increase in many marine organisms
transit (C) They harbour mosquitoes
(D) The dissolved solids increase (D) They provide fodder to grazing
during transport cattle
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30. Noise pollution during festivals is 33. The impact identification in EIA
considered to be high, when it brings together ...................... .
exceeds :
(A) Project characteristics and
(A) 30 dB
baseline information
(B) 70 dB
(B) Project characteristics and
(C) 110 dB mitigation measures
(D) 150 dB
(C) Baseline information and
31. Driving force behind the formulation impacts
of the Environmental (Protection)
(D) Impacts and mitigation
Act, 1986 adopted by Govt. of India
measures
was :
(A) UN Conference on Human 34. Strategic environmental impact
Environmental, Stockholm assessment is applicable for
1972 ................... .
(B) UN Conference on global (A) Industrial projects
climate change
(B) Mining projects
(C) Doha Declaration
(C) Infrastructural projects
(D) UN Conference Environment
and Development, Rio (D) Policy, plan or program
32. Which impacts of developmental 35. Environmental inventory enlists
activities are not susceptible to .................... as it exists in nature.
mitigation measures ?
(A) Total environmental assets
(A) Reversible
(B) Affected environmental assets
(B) Adverse
(C) Partial environmental assets
(C) Positive
(D) Flora and Fauna
(D) Irreversible
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36. Ramsar UN Convention is to protect 39. An Act related to biodiversity is
and conserve ........................... .
known as :
(A) Wetlands
(A) The Biological Diversity Act
(B) Grasslands
2002
(C) Tropical forests
(B) The Biodiversity Act 2002
(D) Wildlife
(C) The Plant and Animal Diversity
37. The Act, which gave the Government
Act 2002
and Forest Department the power to
create Reserve Forests in India, (D) The Forest Biodiversity Act
is ........................... .
2002
(A) Indian Forest Act of 1927
40. ................... does not come under the
(B) Forest Conservation Act of 1980
applicability of Environment
(C) Wildlife Protection Act of 2002
(Protection) Act, 1986, which is
(D) The Environment Act of 1986 related to hazard waste
38. Which of the following categories of management and handling.
Bio-medical waste is considered as
(A) Bio-medical waste
‘Hazardous waste category No. 1’ ?
(A) Microbial waste (B) Radio-active waste
(B) Biotechnological waste (C) River pollution due to
(C) Human anatomical waste agricultural practices
(D) Discarded medicines (D) Domestic waste
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41. Arithmetic mean, geometric mean 43. For the binomial distribution :
and harmonic mean are equal if and (A) Mean < variance
only if : (B) Mean = variance
(A) all observations are positive (C) Mean > variance
(B) all observations are distinct (D) Mean and variance have no
definite relationship
(C) all observations are in
ascending order 44. Probability of an event must
be :
(D) all observations are equal
(A) positive
42. A multiple linear regression model
(B) between 0 and 1
is written as follows :
(C) small
(A) Y = α + β1 X 1
(D) less than 1
45. The purpose behind studying models
(B) of population growth is to :
(A) predict the population size
(C) + (B) identify dominating species
(C) identify endangered species
(D) compare similarities and
(D)
differences between environ-
mental conditions
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46. The problem of acid rain is caused
49. Which of the following refers to
due to presence of higher
efforts for controlling ozone
concentration of ................ in air over
industrial area. depletion ?
(A) CO
(A) Kyoto protocol
(B) CO2
(B) Ramsan convention
(C) O3
(D) SO2/SO3 (C) Montreal protocol
47. Goitre is caused due to : (D) CITES convention
(A) Excess of iodine
50. Coupling of cyanobacteria
(B) Deficiency of iodine
cultivation in the nutrient rich
(C) Excess of chlorine
effluents with decomposition of
(D) Deficiency of chlorine
organic matter can minimise release
48. Agenda 21 is a blue-print for
sustainable development and was of green house gases. It is due to all
issued at the end of UN Conference of the following, except :
on Environment and Development
(A) Autotrophic nature
held at :
(A) Stockholm (B) Ability to fix nitrogen
(B) Rio de Janeiro
(C) Ability to deplete nutrients
(C) Johannesburg
(D) Heterotrophic nature
(D) Kyoto
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ROUGH WORK
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Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.