This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Technology > Units Abbreviations Inventions Discoveries – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Units Abbreviations Inventions Discoveries Quiz 1 (36 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Daimler invented ..... in 1885. A) Motor AC. B) Motor DC. C) Motorcycle. D) Nylon. Show Answer Correct Answer: C) 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) 3. B) 5. C) 7. D) 4. Show Answer Correct Answer: C) 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. ..... is used to measure rainfalls. A) Salinometer. B) Rain-meter. C) Rain-guage. D) Quadrant. Show Answer Correct Answer: C) Rain-guage. 6. ..... is used for spectrum analysis. A) Spectro guage. B) Spectrometer. C) Spectruant. D) Spectroscope. Show Answer Correct Answer: D) Spectroscope. 7. Schonbein discovered ..... ozone in. A) 1822. B) 1848. C) 1844. D) 1840. Show Answer Correct Answer: D) 1840. 8. The inventor of telephone is. A) Morse. B) Graham Bell. C) Galileo. D) Dupont. Show Answer Correct Answer: B) Graham Bell. 9. For hearing and analyzing the sound of heart and lungs, ..... is used. A) Telemeter. B) Stethometer. C) Stethoscope. D) Stereoscope. Show Answer Correct Answer: C) Stethoscope. 10. For measuring small sub divisions of scale, which instrument is used? A) Vernier meter. B) Vernier scale. C) Vernier caliper. D) Vernier guage. Show Answer Correct Answer: C) Vernier caliper. 11. Manometer is used to measure pressure of. A) Liquids. B) Air. C) Magnates. D) Gases. Show Answer Correct Answer: D) Gases. 12. Calculus was discovered in 1670 by. A) Judson. B) Thomson. C) Newton. D) Harvey. Show Answer Correct Answer: C) Newton. 13. 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. 14. 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. 15. ..... 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. 16. ..... is used to measure potential difference between two points. A) Voltmeter. B) Salinometer. C) Anemometer. D) Telemeter. Show Answer Correct Answer: A) Voltmeter. 17. Television was invented by Baird in. A) 1926. B) 1925. C) 1923. D) 1928. Show Answer Correct Answer: C) 1923. 18. Radio was invented by Marconi in. A) 1895. B) 1901. C) 1892. D) 1898. Show Answer Correct Answer: A) 1895. 19. For measuring the relative density of milk, ..... is used. A) Lactometer. B) Glucometer. C) Milkoscope. D) Milkometer. Show Answer Correct Answer: A) Lactometer. 20. What is meant by WBC? A) White Blood Cell. B) World Basketball Company. C) White Board Cell. D) None of these. Show Answer Correct Answer: A) White Blood Cell. 21. Goodard invented ..... in 1926 . A) Search light. B) Rocket engine. C) Rifle. D) Bakelite. Show Answer Correct Answer: B) Rocket engine. 22. Mole is the unit of. A) Intensity. B) Temperature. C) Substance. D) Current. Show Answer Correct Answer: C) Substance. 23. Coulomb is the unit of. A) Electric conductance. B) Electric resistance. C) Electric capacitance. D) Electric charge. Show Answer Correct Answer: D) Electric charge. 24. Which of the following is used to measure small distances or angles? A) Anglometer. B) Micrometer. C) Micro guage. D) None of these. Show Answer Correct Answer: B) Micrometer. 25. Who invented penicillin in 1829? A) Alexander Swinton. B) Alexander Fleming. C) Stanley. D) Pascal. Show Answer Correct Answer: B) Alexander Fleming. 26. Which of the following is used to compare magnetic moments and fields? A) Magnet guage. B) Magnetoscope. C) Magnets. D) Magnetometer. Show Answer Correct Answer: D) Magnetometer. 27. Seismograph is used to record intensity and source of. A) Heart beat. B) Pulse. C) Earthquakes. D) Thunderstorm. Show Answer Correct Answer: C) Earthquakes. 28. Hydrometer is used to determine relative density of. A) Milk. B) Water. C) Liquids. D) Gasoline. Show Answer Correct Answer: C) Liquids. 29. Roentgen discovered ..... in 1895. A) X-rays. B) Neutron. C) Insulin. D) Proton. Show Answer Correct Answer: A) X-rays. 30. The unit of time is. A) Kilogram. B) Ton. C) Volume. D) Gram. Show Answer Correct Answer: A) Kilogram. 31. Who invented Galvanometer in 1820? A) Geiger. B) Sturgeon. C) Larson. D) Sweigger. Show Answer Correct Answer: D) Sweigger. 32. What is meant by VHF? A) Very Hot Force. B) Very Hot Frequency. C) Very Heavy Frequency. D) Very High Force. Show Answer Correct Answer: D) Very High Force. 33. What is meant by RNA? A) Radiation-nucleic Association. B) Radiation Nucleic Acid. C) Ribonucleic Acid. D) Ribonucleic Agency. Show Answer Correct Answer: C) Ribonucleic Acid. 34. Aeroplane was invented by Wright Brothers in. A) 1903. B) 1907. C) 1913. D) 1906. Show Answer Correct Answer: A) 1903. 35. Metre is the unit of. A) Length. B) Balance. C) Mass. D) Distance. Show Answer Correct Answer: A) Length. 36. Which of the following is used to measure velocity of wind? A) Skinmometer. B) Ammeter. C) Anemometer. D) Altimeter. Show Answer Correct Answer: C) Anemometer. Related QuizzesScience QuizzesGeneral Knowledge QuizzesComputers Electronics Communication Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books