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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- A. RKA
- B. CSIRO
- C. NASA
- D. CNSA
Explanation: NASA, founded in 1958, is commonly identified in general-knowledge references as the world’s first major civilian space agency.
Correct answer: NASA- A. Peace
- B. Prosperity
- C. Progress
- D. Speed
Explanation: A wheel keeps turning and moving forward, so it is commonly used as a symbol of progress.
Correct answer: Progress- A. between 20 hertz and 1000 hertz
- B. between 1000 hertz and 20000 hertz
- C. less than 20 hertz
- D. more than 20 kilohertz
Explanation: Ultrasonic sound has a frequency above the upper limit of normal human hearing, conventionally more than 20 kilohertz.
Correct answer: more than 20 kilohertz- A. Clowder
- B. Troop
- C. Shoal
- D. Skulk
Explanation: A group of fish is called a shoal, especially when referring to fish swimming together.
Correct answer: Shoal- A. Shoal
- B. Clowder
- C. Troop
- D. Skulk
Explanation: A group of cats is called a clowder. Shoal refers to a group of fish, and skulk is traditionally used for foxes.
Correct answer: Clowder- A. Operating Lease
- B. Financial Lease
- C. Both A & B
- D. None of these
Explanation: A capital lease transfers most of the risks and benefits of ownership to the lessee, which is why it is also called a financial lease.
Correct answer: Financial Lease- A. 4
- B. 5
- C. 6
- D. None of these
Explanation: A right-angle prism is triangular, so it has two triangular faces and three rectangular faces, making five faces in total.
Correct answer: 5- A. Carl Jung
- B. Sigmund Freud
- C. Wilhelum wundt
- D. None of these
Explanation: Carl Gustav Jung founded analytical psychology, which developed concepts such as archetypes and the collective unconscious.
Correct answer: Carl Jung- A. Charles Henry Gould
- B. Paul Kannend
- C. John Martin
- D. Edison
Explanation: Charles Henry Gould received an early patent for a paper stapler in 1868, which is why he is commonly credited in general-knowledge…
Correct answer: Charles Henry Gould- A. Shawn Fanning
- B. Ada Byron
- C. Sabeer Bhatia
- D. Bill Gates
Explanation: Hotmail was founded in 1996 by Sabeer Bhatia and Jack Smith. Shawn Fanning founded Napster, while Bill Gates was not a Hotmail co-founder.
Correct answer: Sabeer Bhatia- A. 1969
- B. 1996
- C. 1995
- D. 2001Everyday Science Quiz
Explanation: Hotmail was launched in 1996, making it one of the early widely used web-based email services.
Correct answer: 1996- A. Franscis Drake
- B. Christopher Columbus
- C. Ferdinand Magellan
- D. Vasco da Gama
Explanation: Christopher Columbus reached Jamaica in 1494 during his second voyage to the Americas.
Correct answer: Christopher Columbus- A. Dr. Athar Syed
- B. Dr. Naweed Syed
- C. Dr. Hayat Syed
- D. None of these
Explanation: Dr. Naweed Syed, a Pakistani-Canadian neuroscientist, developed silicon-chip technology that enabled researchers to connect living brain…
Correct answer: Dr. Naweed Syed- A. 1883
- B. 1885
- C. 1887
- D. 1889Quiz Mode Feature
Explanation: The Eiffel Tower’s iron framework was completed in 1889 for the Paris Exposition, although construction began in 1887.
Correct answer: 1889Quiz Mode Feature- A. his long standing efforts to end the impunity of dictators
- B. indefatigable work for the promotion of solar energy worldwide
- C. Showing that organic agriculture is a key to environmental sustainability
- D. None of the above
Explanation: Hermann Scheer received the 1999 Right Livelihood Award for his persistent worldwide promotion of solar energy.
Correct answer: indefatigable work for the promotion of solar energy worldwide- A. Priestly
- B. Roentgen
- C. Madam Curie
- D. Alexander Fleming
Explanation: Wilhelm Conrad Röntgen received the first Nobel Prize in Physics in 1901 for discovering X-rays.
Correct answer: Roentgen- A. 4 March
- B. 10 March
- C. 14 March
- D. 20 March
Explanation: Pi Day is observed on 14 March because the date is written 3/14 in the month-day format, matching the first three digits of π, 3.14.
Correct answer: 14 March- A. Newton
- B. Pascal
- C. Imhotep
- D. Einstein
Explanation: Imhotep, the ancient Egyptian architect of the Step Pyramid of Djoser, is often called the world's first known engineer.
Correct answer: Imhotep- A. White Revolution
- B. Blue Revolution
- C. Yellow Revolution
- D. None of these
Explanation: The Blue Revolution refers to the rapid growth and modernization of fish production and aquaculture.
Correct answer: Blue Revolution- A. May 1655
- B. April 1655
- C. March 1655
- D. February 27, 1655
Explanation: Christiaan Huygens discovered Titan on 25 March 1655, making March the correct month.
Correct answer: March 1655