241: Which of the following statements is true?
(a) Both salinity and density of sea increase with depth
(b) Both salinity and density of sea decrease with depth
(c) Salinity increases but density of sea decreases with depth
(d) Salinity decreases but density of sea increases with depth
242: Mon 863 is a variety of maize. It was in the news for the following reason
(a) It is a genetically modified variety which is pest resistant
(b) It is a genetically modified dwarf variety which is resistant to drought
(c) It is a genetically modified variety with ten times higher protein content than regular maize crop
(d) It is a genetically modified variety used exclusively for bio-fuel production
243: It takes 11 seconds for the light to reach the earth from moon and 8 minutes from the sun. How much time will it take from the nearest bright star to reach the earth?
(a) 4.5 minutes
(b) 45 minutes
(c) 45 months
(d) 4.3 light years
244: Terrace cultivation is practised mostly
(a) In urban areas
(b) On slopes of mountains
(c) On tops of hills
(d) In undulating tracts
245: Who among the following served as the Chief Economist of the International Monetary Fund ?
(a) Saumitra Chaudhuri
(b) Ashok Lahiri
(c) Raghuram Rajan
(d) Sumantra Ghoshal