People and Environment 160 PYQS PART 3 FOR NTA UGC NET SET SLET
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CBSE UGC NET JUNE 2010
Q.41. Which type of natural hazards cause maximum damage to property and lives?
(A) Hydrological
(B) Hydro-meteorological
(C) Geological
(D) Geo-chemical
Answer – C
Q.42. Dioxins are produced from
(A) Wastelands
(B) Power plants
(C) Sugar factories
(D) Combustion of plastics
Answer – D
Q.43. The slogan “A tree for each child” was coined for
(A) Social forestry programme
(B) Clean Air programme
(C) Soil conservation programme
(D) Environmental protection programme
Answer – A
Q.44. The main constituents of biogas are
(A) Methane and Carbon di-oxide
(B) Methane and Nitric oxide
(C) Methane, Hydrogen and Nitric oxide
(D) Methane and Sulphur di-oxide
Answer – A
Q.45. Assertion (A) : In the world as a whole, the environment has degraded during past several decades.
Reason (R) : The population of the world has been growing significantly.
(A) (A) is correct, (R) is correct and (R) is the correct explanation of (A).
(B) (A) is correct, (R) is correct and (R) is not the correct explanation of (A).
(C) (A) is correct, but (R) is false.
(D) (A) is false, but (R) is correct.
Answer – B
Q.46. Climate change has implications for
- soil moisture
- forest fires
- biodiversity
- ground water
Identify the correct combination according to the code:
Codes:
(A) 1 and 3
(B) 1, 2 and 3
(C) 1, 3 and 4
(D) 1, 2, 3 and 4
Answer – D
CBSE UGC NET DECEMBER 2010
Q.47. Which of the following is not covered in 8 missions under the Climate Action Plan of Government of India ?
(A) Solar power
(B) Waste to energy conversion
(C) Afforestation
(D) Nuclear energy
Answer – D
Q.48. The concentration of Total Dissolved Solids (TDS) in drinking water should not exceed
(A) 500 mg/L
(B) 400 mg/L
(C) 300 mg/L
(D) 200 mg/L
Answer – A
Q.49. ‘Chipko’ movement was first started by
(A) Arundhati Roy
(B) Medha Patkar
(C) Ila Bhatt
(D) Sunderlal Bahuguna
Answer – D
Q.50. The constituents of photochemical smog responsible for eye irritation are
(A) SO2 and O3
(B) SO2 and NO2
(C) HCHO and PAN
(D) SO2 and SPM
Answer – C
Q.51. Assertion (A) : Some carbonaceous aerosols may be carcinogenic.
Reason (R) : They may contain polycyclic aromatic hydrocarbons (PAHs).
(A) Both (A) and (R) are correct and (R) is the correct explanation of (A).
(B) Both (A) and (R) are correct but (R) is not the correct explanation of (A).
(C) (A) is correct, but (R) is false.
(D) (A) is false, but (R) is correct.
Answer – A
Q.52. Volcanic eruptions affect
(A) atmosphere and hydrosphere
(B) hydrosphere and biosphere
(C) lithosphere, biosphere and atmosphere
(D) lithosphere, hydrosphere and atmosphere
Answer – D
CBSE UGC NET June 2011
Q.53. The Ganga Action Plan was initiated during the year
(A) 1986
(B) 1988
(C) 1990
(D) 1992
Answer: (A)
Q.54. Identify the correct sequence of energy sources in order of their share in the power sector in India :
(A) Thermal > nuclear > hydro > wind
(B) Thermal > hydro > nuclear > wind
(C) Hydro > nuclear > thermal > wind
(D) Nuclear > hydro > wind > thermal
Answer: (B)
Q.55. Chromium as a contaminant in drinking water in excess of permissible levels, causes
(A) Skeletal damage
(B) Gastrointestinal problem
(C) Dermal and nervous problems
(D) Liver/Kidney problems
Answer: (C)
Q.56. The main precursors of winter smog are
(A) N2O and hydrocarbons
(B) NOx and hydrocarbons
(C) SO2 and hydrocarbons
(D) SO2 and ozone
Answer: (B)
Q.57. Flash floods are caused when
(A) the atmosphere is convectively unstable and there is considerable vertical wind shear
(B) the atmosphere is stable
(C) the atmosphere is convectively unstable with no vertical windshear
(D) winds are catabatic
Answer: (A)
Q.58. In mega cities of India, the dominant source of air pollution is
(A) transport sector
(B) thermal power
(C) municipal waste
(D) commercial sector
Answer: (C)
CBSE UGC NET DEC 2011
Q.59. Which of the following pollutants affects the respiratory tract in humans?
(A) Carbon monoxide
(B) Nitric oxide
(C) Sulphur di-oxide
(D) Aerosols
Answer: (C)
Q.60. Which of the following pollutants is not emitted from the transport sector?
(A) Oxides of nitrogen
(B) Chlorofluorocarbons
(C) Carbon monoxide
(D) Poly aromatic hydrocarbons
Answer: (B)