This quiz works best with JavaScript enabled. Home > Science > Technology > Units Abbreviations Inventions Discoveries – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Units Abbreviations Inventions Discoveries Quiz 1 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Daimler invented ..... in 1885. A) Motor AC. B) Motor DC. C) Nylon. D) Motorcycle. Show Answer Correct Answer: D) Motorcycle. 2. Newton is the unit of. A) Pressure. B) Force. C) Power. D) Stress. Show Answer Correct Answer: B) Force. 3. The international system of units is based on ..... fundamental units. A) 7. B) 4. C) 3. D) 5. Show Answer Correct Answer: A) 7. 4. Which instrument is used for measuring viscosity? A) Viscometer. B) Viscoscale. C) Visco guage. D) Commutator. Show Answer Correct Answer: A) Viscometer. 5. ROM means. A) Read On Memory. B) Read Only Modulation. C) Read Only Memory. D) Radiation Only Mean. Show Answer Correct Answer: C) Read Only Memory. 6. ..... is used to measure rainfalls. A) Rain-meter. B) Rain-guage. C) Salinometer. D) Quadrant. Show Answer Correct Answer: B) Rain-guage. 7. ..... is used for spectrum analysis. A) Spectruant. B) Spectrometer. C) Spectro guage. D) Spectroscope. Show Answer Correct Answer: D) Spectroscope. 8. Which is the unit of power? A) Watt. B) Newton. C) Kelvin. D) Joule. Show Answer Correct Answer: A) Watt. 9. Schonbein discovered ..... ozone in. A) 1822. B) 1844. C) 1840. D) 1848. Show Answer Correct Answer: C) 1840. 10. The inventor of telephone is. A) Dupont. B) Morse. C) Graham Bell. D) Galileo. Show Answer Correct Answer: C) Graham Bell. 11. For hearing and analyzing the sound of heart and lungs, ..... is used. A) Stereoscope. B) Telemeter. C) Stethoscope. D) Stethometer. Show Answer Correct Answer: C) Stethoscope. 12. For measuring small sub divisions of scale, which instrument is used? A) Vernier scale. B) Vernier guage. C) Vernier caliper. D) Vernier meter. Show Answer Correct Answer: C) Vernier caliper. 13. Manometer is used to measure pressure of. A) Air. B) Liquids. C) Magnates. D) Gases. Show Answer Correct Answer: D) Gases. 14. CAD stands for. A) Computer Aided Design. B) Community Aided Design. C) Complete Aid Data. D) Complete After Design. Show Answer Correct Answer: A) Computer Aided Design. 15. Calculus was discovered in 1670 by. A) Harvey. B) Judson. C) Newton. D) Thomson. Show Answer Correct Answer: C) Newton. 16. ..... is used to measure temperature. A) Thermometer. B) Thermoscope. C) Pyrometer. D) Sextant. Show Answer Correct Answer: A) Thermometer. 17. Which of the following is the unit of distance (usually between planets and stars)? A) Angstorm. B) Astronomical unit. C) Light year. D) None of these. Show Answer Correct Answer: C) Light year. 18. Barometer is used to measure. A) Atmospheric condition. B) Atmospheric pressure. C) Temperature. D) Atmospheric speed. Show Answer Correct Answer: B) Atmospheric pressure. 19. Chronometer is a clock used to measure longitude of vessel over. A) Sea. B) Land. C) Earth. D) All of these. Show Answer Correct Answer: A) Sea. 20. ..... is used to measure degree of sensation of skin. A) Altimeter. B) Ammeter. C) Algesimeter. D) None of these. Show Answer Correct Answer: C) Algesimeter. Next →Related QuizzesScience QuizzesUnits Abbreviations Inventions Discoveries Quiz 2Units Abbreviations Inventions Discoveries Quiz 3Computers Electronics Communication Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books