3356: The Himalayas are formed of parallel fold ranges, of which the oldest range is
(a) the Siwalik Range
(b) the Lesser Himalayas
(c) the Great Himalayan Range
(d) the Dhaula Dhar Range
3357: The term Base Erosion and Profit Shifting is sometimes seen in the news in the context of
(a) mining operation by multinational companies in resource-rich but backward areas
(b) curbing of the tax evasion by multinational companies
(c) exploitation of genetic resources of a country by multinational companies
(d) lack of consideration of environmental costs in the planning and implementation of developmental projects
3358: Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is
(a) discharge of acidic effluents onto neutral or slightly alkaline land where the acidic components precipitate
(b) emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain
(c) natural carbon dioxide released during respiration of living organisms dissolves in water, forming carbonic acid which is the chief contributor to acidity in rain water
(d) chloro-fluoro-carbons readily react with various chemicals near the earth's surface, producing acidic intermediates which cause acid precipitation
3359: Which animal has the heaviest heart ?
(a) Horse
(b) Cow
(c) Sheep
(d) Dog
3360: In a fluorescent tube which of the following components are found?
(a) Mercury vapour
(b) Argon and carbon dioxide
(c) Helium and oxygen
(d) Argon and neon