UGC NET Paper-1 Previous Year Questions on People & Environment - June 2011

1. The Ganga Action Plan was initiated during the year
 (A) 1986
 (B) 1988
 (C) 1990
 (D) 1992

2. 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

3. 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)

4. The main precursors of winter smog are
 (A) N2O and hydrocarbons
 (B) NOx  and hydrocarbons
 (C) SO2  and hydrocarbons
 (D) SO2 and ozone 

5. 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

6. In mega cities of India, the dominant source of air pollution is
 (A) transport sector
 (B) thermal power
 (C) municipal waste
 (D) commercial sector



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