Free Inventions and Discoveries MCQs with Answers

• A. Russia
• B. Japan
• C. China
• D. India

Explanation: The world’s longest 3D-printed concrete bridge, as reported for this question, was built in China.

• A. Encephalology
• B. Geology
• C. Philosophy
• D. None of these

Explanation: Encephalology is the study of the brain, from the Greek word encephalon meaning brain.

• A. Encephology
• B. Trichology
• C. Opthalmology
• D. None of these

Explanation: Ophthalmology is the medical study of the eyes and diseases affecting vision.

• A. Chemistry & Physics
• B. Biology & Physics
• C. Chemistry only
• D. Physics only

Explanation: Frederick Sanger received both of his Nobel Prizes in Chemistry, in 1958 and 1980.

• A. Jm Tagore
• B. JS Birla
• C. GD Bist
• D. JS Mill

Explanation: G. D. Bist is widely cited in South Asian general-knowledge sources as the world’s fastest shorthand writer.

• A. Rat
• B. Cat
• C. Bat
• D. parasitic insect

Explanation: Plague is mainly transmitted to humans through the bite of infected fleas, which are parasitic insects commonly associated with rodents.

• A. September 2007
• B. September 2008
• C. September 2009
• D. September 2010

Explanation: The first commercially released Android smartphone was the HTC Dream, also known as the T-Mobile G1, launched in September 2008.

• A. Mobile Phone
• B. Laptop
• C. Television
• D. Radio

Explanation: John Logie Baird pioneered mechanical television and demonstrated an early working television system in the 1920s.

• A. 2017
• B. 2018
• C. 2019
• D. 2020Science

Explanation: 2020 was a leap year, so February had 29 days; leap years generally occur every four years, with century-year exceptions.

• A. Uber
• B. WeChat
• C. Walmart
• D. None of these

Explanation: Sam Walton founded Walmart, opening the first store in 1962 and building it into one of the world's largest retail chains.

• A. Shanghai, China
• B. Palo Alta, USA
• C. Cadarache, France
• D. Santiago, Chile

Explanation: ITER is being constructed at Cadarache in southern France as an international nuclear-fusion research facility.

• A. The stones did not allow vegetation to grow on railway tracks.
• B. To keeps water from reaching the track on a regular basis & softening the ground.
• C. To hold the wooden cross ties in place, which in turn hold the rails in place.
• D. All of the these

Explanation: Crushed stones, called railway ballast, drain water, suppress vegetation and hold the sleepers firmly in position.

• A. 1826
• B. 1829
• C. 1835
• D. 1935Educational Resources

Explanation: Joseph Nicéphore Niépce produced the earliest surviving permanent photograph around 1826 or 1827 using a process called heliography.

• A. LMP Edgar
• B. CMP Stuart
• C. Neil Armstrong
• D. None of them

Explanation: Neil Armstrong became the first human to step onto the Moon during the Apollo 11 mission on 20 July 1969.

• A. Lahore
• B. Rawalpindi
• C. Karachi
• D. Multan

Explanation: Arfa Software Technology Park is located in Lahore and is named after Pakistani computer prodigy Arfa Karim.

• A. Russia
• B. China
• C. Colombia
• D. India

Explanation: The Space Shuttle Columbia broke apart during atmospheric re-entry on 1 February 2003, killing all seven astronauts aboard.

• A. Radio
• B. Telegraph
• C. Telephone
• D. Train

Explanation: The telegraph caused the Pony Express to become obsolete because messages could cross the country electronically instead of being carried…

• A. Russia
• B. Usa
• C. Uk
• D. France

Explanation: The Mi-8AMTSh-VN is a Russian attack-transport version of the Mi-8/17 helicopter family.

• A. Georg Cantor
• B. Michal Borde
• C. T.M Stross
• D. Johne Walis

Explanation: The infinity symbol ∞ was introduced by the English mathematician John Wallis in 1655.

• A. America
• B. Russia
• C. China
• D. Bangladesh

Explanation: Paper was first developed in ancient China, with Cai Lun traditionally credited with improving its manufacture during the Han dynasty.