MH SET 2013: 17 February, Paper III, Environmental Sciences

Text of page 1
FEB - 31313/III
Environmental Science
Paper III
Time Allowed : 2½ Hours] [Maximum Marks : 150
Note : This paper contains Seventy Five (75) multiple choice questions, each
question carrying Two (2) marks. Attempt All questions.
1. What is the ‘tectonic nature’ of 3. Which one of the following clouds is
Lithosphere under Himalaya ? composed mostly of ice ?
(A) Diversion (A) Cirrus
(B) Conservative (B) Altocumulus
(C) Convergent (C) Altostratus
(D) Rift (D) Nimbostratus
2. The chloride makes up ................. % 4. How much energy radiated by Sun
of the salt in water. reaches earth ?
(A) 35 (A) About 80%
(B) 45 (B) About 50%
(C) 55 (C) About two-billionths
(D) 65 (D) About one-hundredth
1 [P.T.O.
Text of page 2
FEB - 31313/III
5. The terrestrial long wave radiation 7. Sustainable development is based on
emitted by the Earth lies in a ........................ .
wavelength range of ................. (A) Calculated use of the resources
micrometer. (B) Market demand for natural
(A) 1 — 10 resources
(B) 4 — 100 (C) Optimum use of available
natural resources
(C) 1 — 50
(D) Available resources and human
(D) 10 — 15
needs
6. Atmospheric pressure is expressed
8. A coloured substance shows 50%
in units of hPa (hecto Pascal). 1hPa
transmittance on a colorimeter. How
is nearly equal to .................... .
much will be its absorbance ?
(A) 1000 dynes/cm2
(A) 0.5
(B) 100 dynes/cm2
(B) 0.4
(C) 10 Pascal (C) 2.0
(D) 1000 Pascal (D) 0.3
2
Text of page 3
FEB - 31313/III
9. In order to prepare 100 mL solution 11. Which of the following elements can
not be determined by Atomic
of 10 ppm NaCl, how many grams
Absorption Spectrophotometry ?
of NaCl are needed ?
(A) Na
(A) 5.85 mg (B) K
(B) 1 mg (C) Cd
(D) Br
(C) 10 mg
12. Which indicator is used in COD
(D) 58.5 mg estimation ?
(A) Eriochrome black T
10. A radioactive sample shows an
(B) Murexide
activity of 60,000 cpm. How much
(C) Ferroin
will be its activity after 3 half-
(D) Silver chromate
lives ?
13. Which metal is associated with
(A) 20,000 cpm minamata disease ?
(A) Pb
(B) 15,000 cpm
(B) Cr
(C) 30,000 cpm
(C) Hg
(D) 7,500 cpm (D) Fe
3 [P.T.O.
Text of page 4
FEB - 31313/III
14. Which of the following forms major
17. What has mainly caused rapid
component of soil ?
increase in human population ?
(A) Mineral matter
(B) Organic matter (A) Agriculture revolution
(C) Soil moisture
(B) Industrial revolution
(D) Soil vapour
15. ..................... method is useful in (C) Better health care
chemical speciation.
(A) Ion chromatography (D) Economic development
(B) Spectrophotometry
18. Ecosystem is a discrete unit that
(C) Flame photometry
consists of living and non-living
(D) Atomic absorption
spectrophotometry
parts interacting to form a ............. .
16. Which of the following is not
associated with the prehistoric (A) Stable system
man ?
(B) Dynamic system
(A) Tools
(B) Fire (C) Unstable system
(C) Collective hunting
(D) Unpredictable system
(D) Wheel
4
Text of page 5
FEB - 31313/III
19. In ecological succession ................ is 22. Which of the following organisms is
not a characteristic sequence of
used as biofertilizer for leguminous
development stage.
plants ?
(A) Climax
(B) Pioneer (A) Bacillus subtilis
(C) Stabilization
(B) Rhizobium sp.
(D) Colonizers
20. Biodiversity conservation does not (C) Acetobacter diazotrophicus
include ...................... .
(D) Azotobacter chroococum
(A) Genetic diversity
23. The following are the examples of
(B) Cloning diversity
(C) Species diversity plant pathogens. Which one of them
(D) Ecosystem diversity is air-borne ?
21. The dominant species in a terrestrial
(A) Phytophthora infestans
pioneer community are .................. .
(A) Grasses (B) Sclerotium rolfsii
(B) Lichens
(C) Rhizoctonia solani
(C) Beetles
(D) Cercospora arachidicola
(D) Conifers
5 [P.T.O.
Text of page 6
FEB - 31313/III
24. What type of earthquakes would 27. Which of the following areas is
most likely occur in Maharashtra ?
affected most frequently by floods
(A) Subduction type
during pre-monsoon season ?
(B) Intra plate type
(C) Inter-plate type (A) NE India
(D) Oceanic ridge type
(B) NW India
25. Which REE has application as a
chemical oxidizing agent ? (C) Indogangetic plains
(A) La
(D) Maharashtra
(B) Ce
28. Known deposits of a material that
(C) Nd
(D) Eu can be extracted profitably are
26. The normal date of onset of South called ................... .
West Monsoon over Mumbai
is ................... . (A) Resources
(A) 15th June
(B) Reserves
(B) 7th June
(C) Undiscovered reserves
(C) 10th June
(D) 1st June (D) Energy consumption
6
Text of page 7
FEB - 31313/III
29. It is possible to obtain infrared 31. Anaerobic digestion converts
biomass into ................... .
imagery during the night because
(A) Methane and Carbon dioxide
of the long wave radiation which is
(B) CO and SO2
associated with energy ................... .
(C) CO2 and CO
(A) Scattering (D) H2S and CO2
32. What type of ‘coal’ is commonly
(B) Refraction
found in India ?
(C) Emission
(A) Bituminous coal
(D) Reflection (B) Anthracite
(C) Lignite
30. North east Monsoon is season of
(D) Peat
rains for ..................... .
33. Which of the following is the most
(A) Konkan potential geothermal province ?
(A) Himalaya
(B) Tamil Nadu
(B) Narmada
(C) Vidarbha
(C) West coast
(D) Gujarat (D) East coast
7 [P.T.O.
Text of page 8
FEB - 31313/III
34. Which of the following is the 36. Among the different fossil fuels
potential oil bearing area in
which has the lowest emission per
India ?
kilogram ?
(A) Vidarbha
(A) Petrol
(B) Chhattisgarh
(B) Diesel
(C) Tripura
(C) Gas
(D) Chandigarh
(D) Coal
35. Despite the negative impacts,
thermal power plants using fossil 37. Currently nuclear power provides
fuel are most popular. Globally these
approximately ................... % of the
account for nearly ................. % of the
world’s total energy.
total power generated.
(A) 7
(A) 50%
(B) < 1
(B) 60%
(C) 30
(C) 80%
(D) 70% (D) 20
8
Text of page 9
FEB - 31313/III
40. E.coli is an indicator of fecal
38. Which of the following wastes causes
pollution of water, because it occurs
thermal pollution ?
in .................... .
(A) Spent sulphite liquor
(A) Water
(B) Distillery spent wash
(B) Soil
(C) Dairy effluent
(C) Neither soil nor water
(D) Slaughter house effluent
(D) Only in intestine
39. Which of the following groups of
41. Addition of HgSO4 to water sample
organisms sequesters CO2 as well as
before COD estimation is to ............. .
nitrogen ?
(A) Deplete chloride content
(A) Green algae
(B) Deplete organic matter content
(B) Fungi
(C) Enhance oxidation of organic
(C) Cyanobacteria
matter
(D) Archaebacteria (D) Catalyse oxidation
9 [P.T.O.
Text of page 10
FEB - 31313/III
42. What is the effect of carbon 44. Which of the following involves
physiochemical treatment ?
monoxide as an air pollutant on
(A) Primary
human beings ?
(B) Secondary
(A) Irritation of eyes
(C) Tertiary
(B) Lowering of haemoglobin in (D) Advanced
45. Environmental impact statement
blood
is a .............................. summary of
(C) Sore throat EIA.
(A) Technical
(D) Sneezing
(B) Non-technical
43. Which of the following is least
(C) Exhaustive
air polluting with their use as a (D) Comprehensive
fuel ? 46. Description of environment as it
exists in nature is an :
(A) Petrol
(A) Environmental Inventory
(B) Diesel (B) Environmental Setting
(C) Coal (C) Environmental Audit
(D) Environmental Management
(D) Gas
Plan
10
Text of page 11
FEB - 31313/III
47. The expanded EIA is termed as : 49. The secondary and tertiary impacts
of initiating action can be addressed
(A) Rapid EIA
by :
(B) Strategic EIA
(A) Simple matrix
(C) Short term EIA
(B) Stepped or cross impact matrix
(D) Special EIA (C) Checklists
48. The irreversible impacts can be a (D) Maps
significant issue in EIA as these 50. Increasing urbanization in India is
likely to affect food production in the
are :
future by ........................ .
(A) Susceptible to mitigation
(A) Road widening in agriculture
measures
lands
(B) Not susceptible to mitigation (B) Construction of houses in city
measures fringe areas
(C) Conversion of top soil from
(C) Irradicable by mitigation
agriculture lands in brick
measures
making
(D) Managed properly by
(D) Using groundwater for domestic
mitigation measures needs
11 [P.T.O.
Text of page 12
FEB - 31313/III
51. Urban planning essentially should 53. The average per capita per day
take into account .................... of the municipal solid waste generated in
inhabitants.
the Indian towns and cities is :
(A) Health
(A) 1 kg
(B) Transportation facility
(B) 0.5 kg
(C) Proper sanitation
(C) 0.33 kg
(D) Clean water supply
(D) 0.1 kg
52. A sustainable crop is the one
54. Which of the following is the safe
which ..................... .
method for biomedical waste
(A) uses more water
disposal ?
(B) changes with market demand
(A) Burning
(C) is grown as per local agro-
climatic conditions (B) Incineration
(D) is grown as per the wish of the (C) Landfilling
farmer
(D) Open dumping
12
Text of page 13
FEB - 31313/III
55. Every person cultivating or dealing 57. The protection of wet land and its
in, a specified plant or part or
flora and fauna is internationally
derivative thereof shall seek
covered by ..................... .
permission from chief wildlife
warden as per : (A) Kite’s Convention
(A) Conservation Act, 1980 (B) Ramsar Convention
(B) Indian Forest Act, 1982
(C) Montreal Protocol
(C) Wildlife (Protection) Act,
(D) Paris Convention
amended 1991
58. The first global convention for
(D) Wildlife (Protection) Act, 1972
protection of ozone layer was held
56. The AIR Prevention and Control of
Pollution Act was passed by the in for further action ?
Parliament in ................. .
(A) Bonn Convention, 1979
(A) 1972
(B) Vienna Convention, 1987
(B) 1978
(C) Montreal Protocol, 1989
(C) 1981
(D) Kyoto Protocol, 1996
(D) 1986
13 [P.T.O.
Text of page 14
FEB - 31313/III
59. CHIPKO ANDOLAN deals with 62. Identify the relationship between
protection of ........................ . arithmetic mean, geometric mean
(A) Forests in Uttar Pradesh
and harmonic mean ?
(B) Forest in Madhya Pradesh
(A) AM > GM > HM
(C) Wildlife in Orissa
(B) AM < GM < HM
(D) Marine organisms in rivers
60. Which part of the human ear is (C) GM > HM > AM
composed of the sensory cells ?
(D) HM > AM > GM
(A) Inner
63. The sample variance of a random
(B) Middle
sample from the standard normal
(C) Outer
distribution follows ?
(D) Pinnae
(A) The Chi-square distribution
61. The normal conversation of human
beings is in the sound frequency (B) Approximately normal
of ................. .
distribution
(A) 500 to 2000 Hz
(C) Student’s t distribution
(B) 50 to 5000 Hz
(C) 0 to 200 Hz (D) Ratio of two normal
(D) 100 to 1000 Hz distributions
14
Text of page 15
FEB - 31313/III
64. The mean and variance of the 66. In a test of hypothesis, the type I
Poisson distribution satisfy the error is defined by the event
following relationship ? of ....................... .
(A) Mean > variance (A) Accepting the hypothesis that is
false
(B) Mean < variance
(B) Rejecting the hypothesis that is
(C) Mean = variance
true
(D) Mean may or may not be
(C) Accepting the null hypothesis
smaller than the variance
(D) Rejecting the null hypothesis
65. A non-homogeneous system of linear
when it is true
equations has infinitely many
solutions if ................. . 67. Population growth models can
be ................. .
(A) It has at least two distinct
solutions (A) Linear or exponential
(B) The matrix of coefficients has a (B) Qualitative or quantitative
unique inverse (C) Based on counts or
(C) The equations are inconsistent measurements
(D) The matrix of coefficients is (D) Developed using population
indefinite characteristics
15 [P.T.O.
Text of page 16
FEB - 31313/III
68. Which of the following is an example 70. Ozone depletion causes various
of recycling of waste ? impacts in the biosphere which are
harmful, to reduce these, production
(A) Sedimentation of suspended
of .................... were reduced.
solids
(A) CH4
(B) Conversion of lignocellulosic
(B) SO2
waste into protein rich biomass
(C) CFC
(C) Coagulation of suspended solids
(D) NH3
(D) Precipitation of dissolved solids
71. Global warming leads to various
69. Which of the following is an example
effects, which one of the following
of nosocomial pathogen ?
is not one of these ?
(A) Salmonella typhi (A) Rise in sea level
(B) Vibrio cholerae (B) Retreat of glaciers
(C) Hepatitis B (C) Frequent earthquakes
(D) Pseudomonas aeruginosa (D) More extreme summers
16
Text of page 17
FEB - 31313/III
72. Ramsar Convention is related 74. Tehari dam is a centre of debate
mainly because .................... .
to ...................... .
(A) It is on the confluence
(A) Conservation of wetlands
(B) It is situated in an earthquake
(B) Areas rich in biodiversity sensitive zone
(C) Of the rehabilitation problems
(C) Areas affected by monsoon
of locals
cyclones
(D) It is in the religious region
(D) Areas likely affected by
75. Agenda-21 indicates .................... .
desertification (A) Planning for environmental
protection in 21st century
73. Lakes in India, are being degraded
(B) The 21, conditions in the
mainly because of .................... .
biodiversity conservation
(A) Pollution protocol
(C) The number of countries which
(B) Over-exploitation
supported the protocol
(C) Eutrophication
(D) The number of the resolution on
(D) Reclamation UN list during UNCED
17 [P.T.O.
Text of page 18
FEB - 31313/III
ROUGH WORK
18Official key not published for this paper.
Page 1 of 18
Source: Savitribai Phule Pune University. Question paper published by Savitribai Phule Pune University.