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PYQ 1200 Q/A Part - 1
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Kerala PSC General Science Book Study Materials Page 330
Book's First PageMULTIPLE CHOICE QUESTIONS AND ANSWERS : SET – 2 1. The atom of which of the following element has the smallest nucleus? (a) Nitrogen (b) Oxygen (c) Hydrogen (d) Helium Ans: (c) 2. Who was the inventor of atomic theory? (a) Rutherford (b) Madam Curie (c) John Dalton (d) Albert Einsten Ans: (c) 3. Nucleon is the name which is used for: [BPSC ASI 2002] (a) electron and proton (b) proton and neutron (c) electron and neutron (d) None of these Ans: (b) 4. Consider the following: [CSAT-IAS (Pre) 2011] 1) Carbondioxide 2) Oxides of Nitrogen 3) Oxides of Sulphur Which of the above is / are the emission / emissions from coal combustion at thermal power plants? (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 Ans: (a) 5. Minerals are: [BPSC 2011] (a) liquids (b) inorganic solids (c) gases (d) all of the above Ans: (b) 6. The number of neutrons and protons in the nucleus of 88Ra226 are: (a) 138 and 88 (b) 88 and 138 (c) 226 and 88 (d) 88 and 226 Ans: (a) 7. Who was the inventor of radioactivity : (a) Madam Curie (b) Irine Curie (c) Henery Bacqurel (d) Rutherford Ans: (c) 8. A single type of atom is found in : [BPSC 2011] (a) compounds of minerals (b) mixture of minerals (c) natural elements (d) none of the above Ans: (c) 9. Which one of the following is negatively charged? [BPSC (Pre) 2002] (a) α - rays (b) β - rays (c) γ-rays (d) X-rays 329