Free Inventions and Discoveries MCQs with Answers

• A. 1987
• B. 1985
• C. 1983
• D. 1980Primary & Secondary Schooling (K-12)

Explanation: HIV was identified as the virus causing AIDS in 1983 by researchers including Luc Montagnier’s team.

• A. San Francisco
• B. New YorK
• C. Pairs
• D. Genva

Explanation: Twitter’s well-known headquarters were in San Francisco, California, where the company was established and grew.

• A. The U.S.A
• B. United Kingdom
• C. Canada
• D. Australia

Explanation: The often-cited world’s quietest room is at Orfield Laboratories in Minneapolis, United States.

• A. Biz Stone
• B. Jack Dorsey
• C. Noah Glass
• D. All Above

Explanation: Twitter was created by a founding team that included Jack Dorsey, Noah Glass and Biz Stone, along with Evan Williams.

• A. Japan
• B. Netherlands
• C. Italy
• D. France

Explanation: NASDA, the National Space Development Agency of Japan, was Japan’s space agency before it became part of JAXA in 2003.

• A. Al- Razi
• B. Ibn al baitar
• C. Al-faraibi
• D. Al-khuwarzmi

Explanation: Ibn al-Baitar was a celebrated Andalusian Muslim botanist and pharmacologist who catalogued medicinal plants in Kitab al-Jami fi al-Adwiya…

• A. Cai Lun
• B. Alexander Flemming
• C. Loius Pasture
• D. Non of these

Explanation: Cai Lun is traditionally credited with developing and improving paper-making in China during the Han dynasty.

• A. Agassit
• B. Albertus Magnus
• C. Joseph Aspdin
• D. Janseen

Explanation: Joseph Aspdin patented Portland cement in 1824 and gave it that name because its hardened appearance resembled Portland stone.

• A. France
• B. Germany
• C. USA
• D. UK

Explanation: The transparent concept car commonly cited in such GK questions was unveiled in Germany, using transparent body panels to display its…

• A. Elon Musk
• B. Bill Gates
• C. Warren Buffet
• D. Jeff Bezos

Explanation: Blue Origin is a private aerospace company founded by Amazon founder Jeff Bezos in 2000.

• A. USA
• B. Chile
• C. Australia
• D. Russia

Explanation: ALMA is an astronomical observatory on the Chajnantor Plateau in northern Chile's Atacama Desert.

• A. Space Science
• B. Mathematics
• C. Virology
• D. Business

Explanation: The Ciprian Foias Prize is awarded in mathematics, particularly for outstanding work in operator theory.

• A. Twitter
• B. LinkedIn
• C. Facebook
• D. WhatsApp

Explanation: LinkedIn is designed around professional profiles, employment history, recruitment and business networking.

• A. Hello
• B. Hi
• C. Mr Watson, come here. I want to see you.
• D. Graham Bell is speaking

Explanation: Alexander Graham Bell’s first intelligible telephone sentence was reported as “Mr Watson, come here.

• A. Neil Armstrong
• B. Alexei Leonov
• C. Yuri Gagarin
• D. None of these

Explanation: Soviet cosmonaut Alexei Leonov performed the first spacewalk on 18 March 1965 during the Voskhod 2 mission.

• A. Sheikh khalid ul waleed
• B. Sheikh Bokhtar
• C. Prince karim sulman
• D. Prince Sultan bin Salman Al Saud

Explanation: Prince Sultan bin Salman Al Saud of Saudi Arabia became the first Muslim and first Arab to travel into space in 1985 aboard the Space…

• A. Tiros I
• B. Early Bird
• C. Soyuz I
• D. None of these

Explanation: Early Bird, or Intelsat I, was launched in 1965 as the world’s first commercial communications satellite.

• A. 1997
• B. 1998
• C. 1999
• D. 2000Navigating Government Agency Resources

Explanation: The International Space Station began assembly with the launch of its first module, Zarya, in 1998.

• A. 1957
• B. 1958
• C. 1959
• D. None of these

Explanation: Wham-O began producing and selling the modern Frisbee in 1957, after acquiring the rights to the Pluto Platter flying disc.

• A. Yiming Zhang
• B. Sundar Pichai
• C. Pavel Durov
• D. Even Speigal

Explanation: Telegram was founded by Pavel Durov with his brother Nikolai Durov, who developed its technical infrastructure.