General Science
Q.1. Which is the absolute temperature scale? A. Celsius B. Fahrenheit C. Kelvin D. All of these Ans. Kelvin Q.2. What are metal bearing rocks called? A. Bitumen B. Bauxite C. Metalloids D. Ore Ans. Metalloids Q.3. Optic fibers are mainly used for which of the following? A. Musical instruments B. Food industry C. Weaving D. Communication Ans. Communication Q.4. Which type of fire extinguisher is used for petroleum fire? A. Powder type B. Liquid type C. Soda acid type D. Foam type Ans. Powder type Q.5. Which of the following rays are the most penetrating? A. Beta rays B. Alpha rays C. Gamma rays D. X-rays Ans. Gamma rays Q.6. The age of most ancient geological formations is estimated by A. Ra - Si method B. Potassium - argon method C. C-14 method D. Uranium-lead method Ans. C-14 method Q.7. The property of a substance to absorb moisture from the air on exposure is called A. Osmosis B. Deliquescence C. Efflorescence D. Desiccati...