Inventions-General Knowledge questions and answers
Inventions GK Questions and Answers
Q : Which science is meteorology?
(A) weather
(B) meteors
(C) metals
(D) earthquakes
Correct Answer : B
Explanation :
The study of weather is called meteorology, and a person who studies the weather is called a meteorologist.
Meteorology is a branch of the atmospheric sciences with a major focus on weather forecasting. It also includes atmospheric chemistry and atmospheric physics.
What is the study of medicines and their action called?
(A) Drug manufacturing (science)
(B) Fossil – Zoology
(C) Pharmacology
(D) fossil science
Correct Answer : C
Explanation :
It is concerned with the sources, chemical properties, and effects of the drugs.
It is a branch of medicine, biology, and pharmaceutical sciences concerned with drug or medication action, where a drug may be defined as any artificial, natural, or endogenous molecule which exerts a biochemical or physiological effect on the cell, tissue, organ, or organism.
To understand this we need to consider what a drug is, how it affects our physical, emotional, and psychological well-being, the type of drug being used, the modes of administration, how the drug is absorbed, and the characteristics of the person taking the drug.
By whom was discovered radioactivity?
(A) Rutherford
(B) Henri Becquerel
(C) Roentgen
(D) Einstein
Correct Answer : B
Explanation :
Although it was Henri Becquerel that discovered the phenomenon, it was his doctoral student, Marie Curie, who named it: radioactivity.
Which was invented by JB Dunlop?
(A) Pneumatic rubber tire
(B) Car music system
(C) steering wheel
(D) diesel engine
Correct Answer : A
Explanation :
J.B. Dunlop is credited with inventing the pneumatic tyre that was first used in bicycles. The patent for it was granted to him on 7th December, 1888.
How is basal pressure measured?
(A) Barometer
(B) Atmometer
(C) Manometer
(D) Sphygmomanometer
Correct Answer : D
Explanation :
In a basal blood pressure measuring method, an examinee presses a basal blood pressure measuring key after the examinee gets out of bed in the morning to start a sphygmomanometer to measure the basal blood pressure A microprocessor in the sphygmomanometer displays the measured basal blood pressure and date on a display .
Whose scientist discovered the radioactive element radium?
(A) Marie Curie
(B) Isaac Newton
(C) Albert Einstein
(D) Benjamin Franklin
Correct Answer : A
Write the name, who among the following was the leader of the team that developed the "web browser" called Mosaic?
(A) Mark Anderson
(B) Bob Kahn
(C) Paul Mokapetris
(D) Tim Berners-Lee
Correct Answer : A
Explanation :
After this, in 1994, Marc Andreessen (leader of Mosaic Team) started working on a new web browser, which was released and was named “Netscape Navigator”
Who among the following invented the World Wide Web (WWW) in 1989?
(A) Bill Gates
(B) Steve Wozniak
(C) Tim Berners – Lee
(D) Charles Babbage
Correct Answer : C
Explanation :
Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW) in 1989, while working at CERN. The Web was originally conceived and developed to meet the demand for automated information-sharing between scientists in universities and institutes around the world.
Who among the following person is associated with the creation of "Pentium Chip"?
(A) Arun Netravalli
(B) Sabeer Bhatia
(C) C. Kumar Patel
(D) Vinod Dham
Correct Answer : D
Explanation :
After 386 and 486, Dham was the man behind the launch of processor 586, that is in 1991 he fathered the Pentium chip. In 1995, after spending 16 years in the company, he left Intel. Vinod always had an itch to do something different which brought him greatness, but there is far more he wanted to do.
The instrument for measuring the hardness of substances is called
(A) Lucimeter
(B) Seronograph
(C) Durometer
(D) Hygrometer
Correct Answer : C
Explanation :
Durometer. Notes: A durometer is an instrument for testing the hardness of various substances. The term is often used to refer to the measurement as well as the instrument itself. Higher numbers indicate harder materials; lower numbers indicate softer materials.
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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