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 15 of 15
- A. $43-M
- B. $53-M
- C. $63-M
- D. $73-M
Explanation: The 1,109-carat Lesedi La Rona, one of the largest gem-quality uncut diamonds ever found, was sold to jeweller Laurence Graff for $53…
Correct answer: $53-M- A. 2010
- B. 2011
- C. 2012
- D. 2014Knowledge Management
Explanation: Pakistan’s Smart National Identity Card, or Smart NIC, was introduced by NADRA in 2012.
Correct answer: 2012- A. 1970
- B. 1972
- C. 1975
- D. 1981World Current Affairs
Explanation: Microsoft was established by Bill Gates and Paul Allen in Albuquerque on 4 April 1975.
Correct answer: 1975- A. Sept 4, 1998
- B. Mar 6, 1998
- C. Jan 14, 1998
- D. Aug 20, 1998Psychology
Explanation: Google was incorporated on 4 September 1998 by Larry Page and Sergey Brin.
Correct answer: Sept 4, 1998- A. 1950
- B. 1955
- C. 1956
- D. 1960South Asians & Diaspora
Explanation: Pakistan established the Pakistan Atomic Energy Commission in 1956 to develop and oversee the peaceful uses of atomic energy.
Correct answer: 1956- A. Paper
- B. Cotton
- C. Plastic
- D. Cellulose
Explanation: Most traditional banknotes are made from cotton-based paper rather than ordinary wood-pulp paper, giving them greater strength and…
Correct answer: Cotton