CSS General Science and Ability Paper 2007 Solved MCQs Created by admin 1. The echo reflected sound will be distinctly heard only at ordinary temperature distance of the reflecting surfaces from the source of sound is at least: A. 100 ft B. 1120 ft C. 56 ft D. 120 ft 2. The deepest place on earth is: A. Groove B. Mangrove C. Mariana Trench D. Trench 3. A six feet tall lady wants to see her full image in a plane mirror. The minimum length of the mirror will be: A. 12 feet B. 3 feet C. 4 feet D. 6 feet 4. The temperature of the dead body is: A. Room temperature B. 37℃ C. Temperature of the place where it is kept D. 0℃ 5. Water is heated in a kettle. The inside water is beated by convection. A person sitting near the fire receives heat by: A. Convection B. Reflection C. Radiation D. Conduction 6. Which of the following types of food may reduce the risk of colon cancer? A. Cholesterol B. Polyunsaturated fats C. Simple carbohydrates D. Fiber 7. Light year is a unit of: A. Time Period B. Light intensity C. None of these D. Time E. Distance 8. Lactometer is a type of Hydrometer which is used to measure the specific gravity of: A. Olive oil B. Water C. Milk D. Honey 9. The Continent Antarctica lies at the: A. Equator B. North pole C. Middle of the earth D. South pole 10. Cusec is a unit of: A. Mass B. Area C. Distance D. Time E. None of these 11. 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. Yes B. Very soon C. In due course time D. No 12. The measurement of rainfall is made by an instrument known as: A. None of these B. Barometer C. Hygrometer D. Hydrometer E. Pedometer 13. It is possible to recognize a person in the dark by simply hearing his unique voice. It is because of the: A. Pitch B. Quality C. Frequency D. Time period 14. In winter an iron pipe feel colder than a wooden window. This is because wood is: A. Semi- Conductor B. Not a solid while iron is a solid C. Non-Conductor D. Conductor 15. German Silver is an alloy of: A. Cu + Zn B. Cu + Ni C. Zn + Ni D. None of these 16. In a fission nuclear reaction, a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus. This nuclear reaction is called: A. Nuclear reaction B. Fission nuclear reaction C. Fusion nuclear reaction D. Chemical Reaction 17. Parsec is a unit of: A. Time B. Distance C. Power D. Energy 18. When a ray of sunlight enters a dark room, its straight path become visible because of dust particles hanging in the air. It is because light is: A. Transparent B. opaque C. Invisible D. Visible 19. Three elements needed for the healthy growth of plants are: A. N,K,C B. N.C.P C. N.S.P D. N,P,K 20. The principle used in radar is the same as that of Sonar. In radar we use radio waves; whereas in sonar we use: A. Ultrasonic B. Infrared waves C. None of these D. Red waves Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz