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. fermentation
- B. refractive index
- C. humidity
- D. None of These
Explanation: A zymometer is an instrument used to measure fermentation, especially by tracking the production of gases such as carbon dioxide.
Correct answer: fermentation- A. stamp collecting
- B. languages
- C. soils
- D. None of These
Explanation: Philately is the collection and study of postage stamps and related postal materials.
Correct answer: stamp collecting- A. fruits
- B. mind
- C. fish
- D. None of these
Explanation: Pisciculture means the breeding and rearing of fish, usually in controlled ponds or tanks.
Correct answer: fish- A. minds
- B. emotions
- C. communication between two minds at a distance with the help of emotions, thoughts and feelings
- D. None of these
Explanation: Telepathy refers to the supposed transmission of thoughts or feelings directly from one mind to another without ordinary sensory…
Correct answer: communication between two minds at a distance with the help of emotions, thoughts and feelings- A. Secret Writing
- B. Skulls
- C. Cells
- D. None of these
Explanation: Cryptography is the science of protecting information by converting it into coded or secret form, then allowing authorized recovery.
Correct answer: Secret Writing- A. Galileo Galilei
- B. Isaac Newton
- C. Ole Rømer
- D. Albert Einstein
Explanation: Ole Rømer estimated the speed of light in 1676 by observing delays in the eclipses of Jupiter's moon Io as Earth moved in its orbit.
Correct answer: Ole Rømer- A. UK
- B. USA
- C. India
- D. France
Explanation: Britain was the first country to use tanks in battle, deploying them at the Battle of the Somme in 1916 during the First World War.
Correct answer: UK- A. Tencent
- B. ByteDance
- C. Alibaba
- D. Baidu
Explanation: ByteDance, a Chinese technology company, owns TikTok. Tencent, Alibaba and Baidu are major Chinese companies but are not TikTok’s parent…
Correct answer: ByteDance- A. Hello ! Here I am.
- B. Hey! It's your World
- C. Did you tube it?
- D. Me at the Zoo
Explanation: Me at the Zoo, showing Jawed Karim at the San Diego Zoo, was YouTube’s first uploaded video on 23 April 2005.
Correct answer: Me at the Zoo- A. Jack Ma
- B. Ali Baba
- C. Lady Gaga
- D. Jawed Karim
Explanation: Jawed Karim, one of YouTube’s co-founders, uploaded the platform’s first video in April 2005.
Correct answer: Jawed Karim- A. USA
- B. India
- C. China
- D. Norway
Explanation: China operated FAST, the Five-hundred-meter Aperture Spherical Telescope, in Guizhou province.
Correct answer: China- A. December 15, 2022
- B. March 23, 2023
- C. July 05, 2023
- D. November 9, 2023Exploring Educational Science Kits
Explanation: Meta launched the social-media platform Threads on 5 July 2023. It was introduced as a text-based platform linked closely with Instagram.
Correct answer: July 05, 2023- A. program
- B. software
- C. input
- D. output
Explanation: Software is the collection of programs and instructions that tells computer hardware what to do.
Correct answer: software- A. 1958
- B. 1960
- C. 1962
- D. 1964
Explanation: NASA was created in 1958 under the National Aeronautics and Space Act, replacing the earlier NACA.
Correct answer: 1958- A. 1968
- B. 1967
- C. 1958
- D. none of these
Explanation: Dr Christiaan Barnard performed the first human heart transplant on Louis Washkansky in Cape Town on 3 December 1967.
Correct answer: 1967- A. Fear of automobiles
- B. Fear of traffic
- C. Fear of being alone
- D. Fear of birds
Explanation: Autophobia combines auto, meaning self, with phobia, meaning an irrational fear; it refers to the fear of being alone.
Correct answer: Fear of being alone- A. Haechel
- B. Sholes
- C. Einstein
- D. Caxton
Explanation: Christopher Latham Sholes developed the practical typewriter and patented an early version in 1868.
Correct answer: Sholes- A. The USA
- B. The UK
- C. Germany
- D. France
Explanation: Retina Implant AG is a German medical-technology company known for developing retinal prosthesis systems.
Correct answer: Germany- A. March 1889
- B. March 1890
- C. March 1891
- D. March 1892Exploring Local Private K-12 Schools
Explanation: The Eiffel Tower was completed in March 1889 for the Paris Exposition and opened to the public in May of that year.
Correct answer: March 1889- A. Hot plasma
- B. Cold plasma
- C. Solid
- D. Yellow gas
Explanation: The Sun is composed primarily of extremely hot plasma, an electrically charged state of matter.
Correct answer: Hot plasmaInventions and Discoveries MCQs: common questions
Are these Inventions and Discoveries MCQs free?
Yes. All Inventions and Discoveries MCQs from General Knowledge are free on TestUstad, with unlimited attempts and no account needed. Nothing on this page is a sample or a trial.
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There are 286 Inventions and Discoveries MCQs in the General Knowledge bank, shown 20 to a page with the correct answer and an explanation on each.
Does every Inventions and Discoveries MCQ have an explanation?
Yes. Each Inventions and Discoveries question shows the correct option and a written explanation of why it is correct, so a wrong answer teaches you something rather than just being marked wrong.
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