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PYQ 1200 Q/A Part - 1
PYQ 1200 Q/A Part - 2
PYQ 1200 Q/A Part - 3
PYQ 1200 Q/A Part - 4
PYQ 1200 Q/A Part - 5
Kerala PSC General Science Book Study Materials Page 322
Book's First Page(a) 1 2 3 4 (b) 2 4 1 3 (c) 3 1 4 2 (d) 4 3 2 1 Ans: (c) 243. Match the following: List-I List-II (Name of Vitamin) (Source) A. Thiamin 1. Cod-liver Oil B. Riboflavin 2. Honey C. Pyridoxine 3. Potato D. Retinol 4. Wheat A B C D (a) 4 3 2 1 (b) 1 2 3 4 (c) 4 1 2 3 (d) 1 3 4 2 Ans: (a) 244. Invert sugar is (a) sucrose (b) glucose (c) fructose (d) a mixture of glucose and fructose Ans: (d) 245. Cholesterol is (a) a carbohydrate (b) a protein (c) a lipid (d) a hormone Ans: (c) 246. The main element used in the vulcani-sation of rubber is (a) nickel (b) copper (c) sulphur (d) graphite Ans: (c) 247. Concrete is a mixture of (a) cement an limestone (b) cement and sand (c) cement and gravel (d) cement, sand and gravel Ans: (d) 248. Vulcanisation was discovered by (a) Goodyear 321