This quiz works best with JavaScript enabled. Home > Science > Technology > Units Abbreviations Inventions Discoveries – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Units Abbreviations Inventions Discoveries Quiz 3 (7 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is meant by RNA? A) Ribonucleic Acid. B) Radiation Nucleic Acid. C) Ribonucleic Agency. D) Radiation-nucleic Association. Show Answer Correct Answer: A) Ribonucleic Acid. 2. RAM means. A) Read After Memory. B) Random Access Memory. C) Random Access Memory. D) Read After Marriage. Show Answer Correct Answer: B) Random Access Memory. 3. Aeroplane was invented by Wright Brothers in. A) 1903. B) 1906. C) 1907. D) 1913. Show Answer Correct Answer: A) 1903. 4. Metre is the unit of. A) Mass. B) Length. C) Balance. D) Distance. Show Answer Correct Answer: B) Length. 5. SOS means. A) Sample Of Statues. B) Series Of Schools. C) Save Our State. D) Save Our Souls. Show Answer Correct Answer: D) Save Our Souls. 6. CNG stands for. A) Chloro N'itro Gas. B) Compressed Natural Gas. C) Compressed Nitrogen Gasoline. D) Complete New Gas. Show Answer Correct Answer: B) Compressed Natural Gas. 7. Which of the following is used to measure velocity of wind? A) Altimeter. B) Skinmometer. C) Ammeter. D) Anemometer. Show Answer Correct Answer: D) Anemometer. ← PreviousRelated QuizzesScience QuizzesUnits Abbreviations Inventions Discoveries Quiz 1Units Abbreviations Inventions Discoveries Quiz 2Computers Electronics Communication Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books