Teaching Strategies Essay

1947 WordsDec 8, 20138 Pages
GENERAL KNOWLEDGE PAPER-I FEDERAL PUBLIC SERVICE COMMISSION COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BPS-17 UNDER THE FEDERAL GOVERNMENT, 2010 GENERAL KNOWLEDGE PAPER-I (EVERY DAY SCIENCE) (PART-I) 80 MINUTES TIME ALLOWED: (PART-II) 100 MINUTES (i) NOTE: (ii) Roll Number MAXIMUM MARKS:50 MAXIMUM MARKS:50 First attempt PART-I (MCQ) on separate Answer Sheet which shall be taken back after 80 minutes. Overwriting/cutting of the options/answers will not be given credit. PART – I (MCQs) (COMPULSORY) Q.1. (1) Select the best option/answer and fill in the appropriate Box on the Answer Sheet: (50) Water is heated in a kettle. The inside water is heated by convection. A person sitting near the fire receives heat by. (a) Conduction (b) Convection (c) Radiation (d) Reflection (e) None of these A time can come when we will be able to design a machine which can go on working for ever without the expenditure of energy. Is it possible? (a) No (b) Yes (c) In due course of time (d) Very soon (e) None of these The measurement of rainfall is made by an instrument known as: (a) Hygrometer (b) Barometer (c) Hydrometer (d) Pedometer Light year is a unit of: (a) Distance (b) Time period (c) Light intensity (d) Time (e) None of these (e) None of these (e) None of these (2) (3) (4) (5) (6) Three elements needed for the healthy growth of plants are: (a) N, P, K (b) N, C, P (c) N, K, C (d) N, S, P Copper can be converted into gold by: (a) Heating (b) Artificial Radioactivity (c) Electroplating (d) Chemical Reaction (e) None of these (7) In winter an iron pipe feels colder than a wooden window. This is because wood is: (a) Conductor (b) Non-Conductor (c) Semi-Conductor (d) Not a solid while iron is a solid (e) None of these The echo(reflected sound) will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from
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