Practice Questions with Answers - Multiple Choice Questions

MCQ Questions and answers on Inventions – GK Practice

Practice MCQ Questions with answers on Inventions-GK

GK MCQs on Famous Scientists and their inventions

In competitive exams like UPSC, SSC, State PSCs, IBPS etc questions on Famous Scientists and their inventions are commonly asked. We have compiled important and often asked MCQ questions with answers on famous scientists and their inventions to help you in preparing for competitive exams. MockTestPRO is the #1 free resource site for job aspirants, students and for people desiring to increase their knowledge on all intellectual frontiers.

1. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
A. Charles Richter
B. Hiram Walker
C. Giuseppe Mercalli
D. Joshua Rumble


Answer: Option A
Explanation : The Richter scale was developed in 1935 by American seismologist Charles Richter (1891-1989) as a way of quantifying the magnitude, or strength, of earthquakes.

2. What James Watt invented?
A. Diving bell
B. Steam boat
C. Hot air balloon
D. Rotary steam engine


Answer: Option D
Explanation : James Watt invented rotary steam engine.

3. Where is the village of Branston, after which the famous pickle is named?
A. Yorkshire
B. Lancashire
C. Staffordshire
D. Norfolk


Answer: Option C
Explanation : The village of Branston is in Staffordshire, just south of Burton-on-Trent.

4. Who invented Jet Engine?
A. Sir Frank Whittle
B. Gottlieb Daimler
C. Roger Bacon
D. Lewis E. Waterman


Answer: Option A
Explanation : Dr. Hans von Ohain and Sir Frank Whittle are recognized as the co-inventors of the jet engine. Each was working separately and knew nothing of the others work. Although Whittle started first, von Ohain was first to design and develop a turbojet engine to power an aircraft. Of the many honors received by both, the most significant honor was probably “The Charles Draper Prize” in 1992 which was given to both Hans von Ohain and Sir Frank Whittle for their efforts and contributions to aviation and mankind. “The Charles Draper Prize” is recognized as the equivalent to the Nobel Prize in technology.

5. What invention caused many deaths while testing it?
A. Dynamite
B. Ladders
C. Race cars
D. Parachute


Answer: Option D
Explanation : Many people who tried to test the first parachutes died by jumping from high places. One attempt was a parachute hat, but the inventor broke his neck while testing it. The first successful parachute was tested from a hot air balloon in 1797, in France, by Jacques Garnerin.

6. Who invented Gunpowder?
A. G. Ferdinand Von Zeppelin
B. Sir Frank Whittle
C. Roger Bacon
D. Leo H Baekeland


Answer: Option C
Explanation : Roger Bacon invented gunpowder.

7. Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
A. 1828
B. 1831
C. 1825
D. There is no sure date


Answer: Option D
Explanation : No one knows for sure when the first chocolate bar appeared or even who made it, but an important event occurred in 1828. The Van Houten press was invented, which extracted cocoa butter from the bean – the same press that brought the Cadbury Brothers success with Cocoa Essence.

8. What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
A. Microwave oven
B. Remote control
D. Calculator


Answer: Option B
Explanation : The first wireless remote control for television was called Flashmatic.