This quiz works best with JavaScript enabled. Home > Science > Technology > Units Abbreviations Inventions Discoveries – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Units Abbreviations Inventions Discoveries Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is used to measure potential difference between two points. A) Telemeter. B) Anemometer. C) Salinometer. D) Voltmeter. Show Answer Correct Answer: D) Voltmeter. 2. Television was invented by Baird in. A) 1923. B) 1925. C) 1926. D) 1928. Show Answer Correct Answer: A) 1923. 3. Radio was invented by Marconi in. A) 1898. B) 1901. C) 1895. D) 1892. Show Answer Correct Answer: C) 1895. 4. For measuring the relative density of milk, ..... is used. A) Milkoscope. B) Milkometer. C) Lactometer. D) Glucometer. Show Answer Correct Answer: C) Lactometer. 5. LPG stands for. A) Liquid per Gram. B) Leg Pads and Gloves. C) Liquified Petroleum Gas. D) Liquified Pressare Gas. Show Answer Correct Answer: C) Liquified Petroleum Gas. 6. 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. 7. Goodard invented ..... in 1926 . A) Search light. B) Rocket engine. C) Rifle. D) Bakelite. Show Answer Correct Answer: B) Rocket engine. 8. Mole is the unit of. A) Substance. B) Current. C) Temperature. D) Intensity. Show Answer Correct Answer: A) Substance. 9. Coulomb is the unit of. A) Electric resistance. B) Electric charge. C) Electric conductance. D) Electric capacitance. Show Answer Correct Answer: B) Electric charge. 10. 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. 11. Who invented penicillin in 1829? A) Alexander Swinton. B) Alexander Fleming. C) Stanley. D) Pascal. Show Answer Correct Answer: B) Alexander Fleming. 12. AM means. A) After Marriage. B) Arithmetic Memory. C) Amplitude Modulation. D) After Memory. Show Answer Correct Answer: C) Amplitude Modulation. 13. Which of the following is used to compare magnetic moments and fields? A) Magnetometer. B) Magnetoscope. C) Magnets. D) Magnet guage. Show Answer Correct Answer: A) Magnetometer. 14. Seismograph is used to record intensity and source of. A) Thunderstorm. B) Earthquakes. C) Pulse. D) Heart beat. Show Answer Correct Answer: B) Earthquakes. 15. Hydrometer is used to determine relative density of. A) Water. B) Milk. C) Liquids. D) Gasoline. Show Answer Correct Answer: C) Liquids. 16. ECG means. A) Electric Cell Gas. B) Electro Cardiogram. C) Electro Colouring Gas. D) Electro Cardio Gas. Show Answer Correct Answer: B) Electro Cardiogram. 17. Roentgen discovered ..... in 1895. A) Insulin. B) Neutron. C) Proton. D) X-rays. Show Answer Correct Answer: D) X-rays. 18. The unit of time is. A) Gram. B) Ton. C) Kilogram. D) Volume. Show Answer Correct Answer: C) Kilogram. 19. Who invented Galvanometer in 1820? A) Geiger. B) Sweigger. C) Larson. D) Sturgeon. Show Answer Correct Answer: B) Sweigger. 20. What is meant by VHF? A) Very Hot Frequency. B) Very Hot Force. C) Very Heavy Frequency. D) Very High Force. Show Answer Correct Answer: D) Very High Force. ← PreviousNext →Related QuizzesScience QuizzesUnits Abbreviations Inventions Discoveries Quiz 1Units Abbreviations Inventions Discoveries Quiz 3Computers Electronics Communication Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books