Free Inventions and Discoveries MCQs with Answers
286 Inventions and Discoveries MCQs from General Knowledge, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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286 questions · page 12 of 15
- A. $20 billion USD
- B. $22 billion USD
- C. $24.4 billion USD
- D. None of above
Explanation: The projected cost of the Barakah nuclear power project was widely reported as about 24.4 billion US dollars, above its earlier estimate…
Correct answer: $24.4 billion USD- A. Kidneys
- B. Heart
- C. Brain
- D. Lungs
Explanation: An ECG records the heart's electrical activity, helping detect problems such as abnormal rhythms and evidence of a heart attack.
Correct answer: Heart- A. To permit the shrinkage of metal
- B. To save the cost of metal
- C. To allow for the expansion during heat
- D. None of them
Explanation: Railway gaps provide room for metal rails to expand in hot weather; without them, expansion could bend or buckle the track.
Correct answer: To allow for the expansion during heat- A. Papernote
- B. Flying money
- C. Currency
- D. Banknote
Explanation: China's early paper money was called feiqian, or "flying money," because merchants could transfer funds without carrying heavy coins.
Correct answer: Flying money- A. Baidu
- B. Alibaba
- C. Daraz
- D. Amazon
Explanation: Alibaba is China’s largest e-commerce group and operates major platforms such as Taobao and Tmall.
Correct answer: Alibaba- A. Enfield, North London
- B. Manchester, East London
- C. Notting Hill, West London
- D. None of these
Explanation: The first cash-dispensing ATM was installed by Barclays in 1967 at its branch in Enfield, North London.
Correct answer: Enfield, North London- A. Dubai
- B. Venice
- C. Newyork
- D. Shanghai
Explanation: Dubai Police introduced the world’s first operational robot police officer in 2016.
Correct answer: Dubai- A. Dubai
- B. Newyork
- C. Shanghai
- D. Tokyo
Explanation: Dubai became the first city to receive its own Microsoft-designed typeface, called Dubai Font, launched in 2016.
Correct answer: Dubai- A. Asa Candler
- B. Col. Harland Sanders
- C. Ronald McDonald
- D. Ray Kroc
Explanation: Ronald McDonald is the clown mascot created for McDonald's advertising.
Correct answer: Ronald McDonald230. The___________used in the Construction of the Burj Khalifa weighs the same as five A380 aircraft?
- A. Nikal
- B. Aluminium
- C. Silicon
- D. Silver
Explanation: Aluminium used in the Burj Khalifa’s construction and cladding weighed roughly as much as five Airbus A380 aircraft.
Correct answer: Aluminium- A. Sputnik I.
- B. Giotto
- C. Prithvi
- D. Gaia
Explanation: Sputnik I, launched by the Soviet Union in 1957, was the first artificial satellite to orbit Earth.
Correct answer: Sputnik I.- A. April 15, 2012
- B. May 18, 2012
- C. July 11, 2012
- D. December 28, 2012Fun & Trivia
Explanation: Facebook became a publicly traded company on 18 May 2012 through its initial public offering on the Nasdaq exchange.
Correct answer: May 18, 2012- A. January 2004
- B. February 2004
- C. March 2004
- D. April 2004
Explanation: Facebook was launched in February 2004 by Mark Zuckerberg and fellow Harvard students.
Correct answer: February 2004- A. Tepal
- B. Lipton
- C. Tarang
- D. Brooke Bond
Explanation: Lipton is credited in the source behind this question with producing Pakistan's largest tea bag.
Correct answer: Lipton- A. China
- B. USA
- C. Russia
- D. Japan
Explanation: China built the Five-hundred-metre Aperture Spherical Telescope, or FAST, the world's largest single-dish radio telescope.
Correct answer: China- A. Tough Animal
- B. Fast Eagle
- C. Human Like
- D. Tasty Food
Explanation: Android comes from the Greek roots meaning a human-like or man-like being.
Correct answer: Human Like- A. Solar Impulse 2
- B. Sun Flight
- C. Falcon Solar Plane
- D. Sun Traveler
Explanation: Solar Impulse 2 was the solar-powered aircraft that completed the first round-the-world flight using only solar energy.
Correct answer: Solar Impulse 2- A. South Korea
- B. China
- C. Vietnam
- D. Japan
Explanation: Kodomoroid, one of the first Android newsreaders, was unveiled in Japan at Tokyo's Miraikan science museum.
Correct answer: Japan- A. Cumbria University, UK
- B. University of Wisconcin-madison, US
- C. University of Toronto, Canada
- D. University of Copenhagen, Denmark
Explanation: The University of Cumbria became the first public university reported to accept Bitcoin for tuition payments.
Correct answer: Cumbria University, UK- A. George Washington
- B. Alexander Hamilton
- C. Thomas Jefferson
- D. John Adams
Explanation: Thomas Jefferson was both a U.S. president and an inventor who designed or developed devices such as the swivel chair, moldboard plow and…
Correct answer: Thomas Jefferson