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Inventions MCQ Questions & Answers

Inventions MCQs : This section focuses on the "Inventions". These Multiple Choice Questions (MCQs) should be practiced to improve the Inventions skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Stethoscope was invented by

A. Bessemer
B. Rane Laennec
C. Henry Becquarrel
D. none of these

View Answer

Question 2

What did J. B. Dunlop invent?

A. Pneumatic rubber tire
B. Car Music System
C. Steering Wheel
D. Diesel Engine

View Answer

Question 3

What plaything was invented by Joe McVicker in 1956?

A. Silly Putty
B. Etch-A-Sketch
C. Lite-Brite
D. Play-Doh

View Answer

Question 4

Bushwell invented

A. Atomic Bomb
B. Submarine
C. Urey
D. Hovercraft

View Answer

Question 5

Who discovered benzene?

A. Hal Anger
B. Michael Faraday
C. Bruce Ames
D. Nicolas Appert

View Answer

Question 6

When was the first lawn mower invented?

A. 1830
B. 1854
C. 1835
D. 1849

View Answer

Question 7

Where was the yo-yo invented?

A. France
B. United States
C. Philippines
D. England

View Answer

Question 8

Who invented the BALLPOINT PEN?

A. Biro Brothers
B. Waterman Brothers
C. Bicc Brothers
D. Write Brothers

View Answer

Question 9

Who discovered X-Ray?

A. Wilhelm Rontgen
B. William Lee
C. X Rollswick
D. I Thompson

View Answer

Question 10

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

View Answer

Question 11

Atomic theory was devised by

A. Mosley
B. John Dalton
C. Daimler
D. None of these

View Answer

Question 12

When was Barb Wire patented

A. 1898
B. 1868
C. 1874
D. 1866

View Answer

Question 13

Who is often called the 'first African-American' inventor?

A. Bessie Blount
B. George Washington Carver
C. Benjamin Banneker
D. Elijah McCoy

View Answer

Question 14

Edward Jenner discovered vaccine for which of the following disease?

A. Polio
B. Tuberculosis
C. Small Pox
D. Rabies

View Answer

Question 15

What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?

A. Frisbee
B. Monopoly
C. Ouija board
D. Ping Pong

View Answer

Question 16

What Karl Benz invented?

A. Gasoline powered automobile
B. Streetcar
C. Glider
D. Steam turbine

View Answer

Question 17

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

A. Telephone
B. Early Warning
C. Electricity
D. Television

View Answer

Question 18

William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________

A. Pie maker
B. Owner of a pizza parlor
C. Student at Yale
D. Ceramic plate designer

View Answer

Question 19

Who Invented LED?

A. Nick Holonyak
B. Elias Howe
C. Chuck Hull
D. Christiaan Huygens

View Answer

Question 20

It travels over land and water. Who invented the HOVERCRAFT?

A. S. Sperrow
B. O. Stricheg
C. T. Henman
D. C. Cockerell

View Answer

Question 21

Who invented Radar?

A. Henrey Backquerel
B. Max Planck
C. Robert Watson Watt
D. Humphrey Davy

View Answer

Question 22

This English inventor is known as the 'Father of Computing.'

A. Philo Farnsworth
B. J. Presper Eckert
C. John Mauchly
D. Charles Babbage

View Answer

Question 23

Who invented FM radio?

A. Edwin Howard Armstrong
B. Thomas Alva Edison
C. Graham Bell
D. Galileo

View Answer

Question 24

What toy did George Lerner create for Hasbro company in 1952?

A. Sit and Spin
B. Talking baby doll
C. Mr. Potato Head
D. Hula hoop

View Answer

Question 25

Dishwasher was invented by ________.

A. John Barber
B. Sir Henry Cole
C. Josephine Cochrane
D. Bartolomeo Cristofori

View Answer

Question 26

What inspired reflecting road lights to be invented?

A. Car door reflecting mirrors
B. The light a cat's eyes gave off on a fence
C. Sun light on steel posts on road sides
D. The sun light on the windshield

View Answer

Question 27

Who discovered Uranus?

A. Sir Isaac Newton
B. William Henry Fox Talbot
C. William Herschel
D. Nicolaus Copernicus

View Answer

Question 28

Who is the inventor of railway engine?

A. George Stephenson
B. W.H.F Tablot
C. Richard Trevithik
D. Eli Whitney

View Answer

Question 29

Who discovered television?

A. Michael Faraday
B. Joseph Henry
C. Abbe Caselli
D. John Baird

View Answer

Question 30

When were bar code scanners invented?

A. 1940s
B. 1950s
C. 1960s
D. 1970s

View Answer

Question 31

Who discovered Sodium?

A. Humphry Davy
B. William Henry Fox
C. J.J.Thomson
D. Karl Benz

View Answer

Question 32

Who invented Dynamite?

A. Graham Bell
B. Nikola Tesla
C. Alfred Nobel
D. Louis Pateur

View Answer

Question 33

Who is the only U.S. President to invent and patent something?

A. Abraham Lincoln
B. Theodore Roosevelt
C. Thomas Jefferson
D. Rutherford B. Hayes

View Answer

Question 34

What drink was invented by Charles Leiper Grigg in 1929?

A. 7-Up
B. Yoo-Hoo
C. Pepsi
D. Hawaiian Punch

View Answer

Question 35

Lift was invented by

A. Otis
B. Domagk
C. Lee De Forest
D. None of these

View Answer

Question 36

When was Milk Tray first introduced?

A. 1915
B. 1934
C. 1923
D. 1942

View Answer

Question 37

Who invented Bifocal Lens?

A. Alfred B. Nobel
B. Thomas Alva Edison
C. Benjamin Franklin
D. Rudolf Diesel

View Answer

Question 38

Who was the first American female to patent her invention, a method of weaving straw with silk?

A. Marjorie Joyner
B. Margaret Knight
C. Amanda Jones
D. Mary Kies

View Answer

Question 39

Aaton Van Leewen Hock is famous for the discovery of ___.

A. Microscope
B. Nylon
C. Laser
D. Radio valve

View Answer

Question 40

Who discovered radioactivity?

A. Max Planck
B. James Clerk Maxwell
C. Henri Becquerel
D. Heinrich Hertz

View Answer

Question 41

Who synthesized the first wholly artificial gene?

A. Hargobind Khorana
B. J.J. Thompson
C. Benjamin Franklin
D. Meghnad Saha

View Answer

Question 42

When was the first Lionel trains manufactured?

A. 1920
B. 1890
C. 1901
D. 1944

View Answer

Question 43

What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

A. Blender
B. Electric mixer
C. Washing machine
D. Vacuum cleaner

View Answer

Question 44

Who discovered the Cholera causing germ?

A. Filippo Pacini
B. Robert Koch
C. M. Laveran
D. Felix Hoffman

View Answer

Question 45

When were blue jeans invented?

A. 1900s
B. 1860s
C. 1870s
D. 1850s

View Answer

Question 46

The first effective vaccine against polio was prepared by ?

A. Robert Edwards
B. James Simpson
C. H Gibbon
D. Jonas E Salk

View Answer

Question 47

What charge card, developed in 1950, was the first to be accepted nationally in the US?

A. Visa
B. Discover
C. MasterCharge
D. Diner's Club

View Answer

Question 48

Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?

A. Banjo
B. Oboe
C. Clarinet
D. Harmonium

View Answer

Question 49

FROZEN FOOD – Who discovered the first practical method of freezing food?

A. C. Birdseye
B. F. Rozenosh
C. G. Findus
D. R. Scott

View Answer

Question 50

Electric tram was invented by?

A. Fyodor Pirotsky
B. Arthur Pitney
C. Fritz Pfleumer
D. Stephen Perry

View Answer

Question 51

What is the name of the most advance reading machine for visually challenged developed by CSIR?

A. Divya Nayan
B. Drishti
C. Darshan
D. Divya Paath

View Answer

Question 52

What Benjamin Franklin invented?

A. Bifocal spectacles
B. Radio
C. Barometer
D. Hygrometer

View Answer

Question 53

Who discovered Proton?

A. Ernest Rutherford
B. Friedrich Miescher
C. Henri Becquerel
D. Henry Cavendish

View Answer

Question 54

Who Invented Worldwide Standard Time Zones ?

A. Charles Richard Drew
B. Henry W. Seely
C. Jesse Wilford Reno
D. Sir Sandford Fleming

View Answer

Question 55

Who Invented Dynamite Explosive Material?

A. Alfred Bernhard Nobel
B. Levi Strauss
C. Percy LeBaron Spencer
D. Garrett Augustus Morgan

View Answer

Question 56

When was the Raggedy Ann doll patented?

A. 1915
B. 1920
C. 1919
D. 1911

View Answer

Question 57

Postage Meter was invented by

A. Fyodor Pirotsky
B. Arthur Pitney
C. Fritz Pfleumer
D. Stephen Perry

View Answer

Question 58

This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

A. Bessie Blount
B. Marjorie Joyner
C. Mae Jamison
D. Beulah Henry

View Answer

Question 59

Who was the first person to patent the JET ENGINE?

A. F. Whittle
B. C. Lindbergh
C. W. Histell
D. B. Owings

View Answer

Question 60

What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?

A. EKG
B. Artificial heart valve
C. Artificial heart
D. Pacemaker

View Answer

Question 61

Who invented the Band-aid?

A. Earle Dickson
B. Alan Gant
C. Louis Pasteur
D. Frank Epperson

View Answer

Question 62

Who invented the contact lens?

A. Enrico Fermi
B. Adolf Gaston Eugen Fick
C. Sandford Fleming
D. Benoit Fourneyron

View Answer

Question 63

What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?

A. Miniature golf
B. Swimming pool slide
C. Ski lift
D. Golf cart

View Answer

Question 64

Who discovered the first practical method of freezing food?

A. C. Birdseye
B. F. Rozenosh
C. G. Findus
D. R. Scott

View Answer

Question 65

For what does the world owe Almon Strowger a debt of gratitude?

A. Parking Meters
B. Vending Machines
C. Automatic Telephone Exchanges
D. Traffic Lights

View Answer

Question 66

Who invented the Spinning Jenny?

A. Thornton Hargreaves
B. Peter Hargreaves
C. James Hargreaves
D. Simon Hargreaves

View Answer

Question 67

Who is the inventor of railway engine?

A. George Stephenson
B. W.H.F Talbot
C. Richard Trevithik
D. Eli Whitney

View Answer

Question 68

Who invented the electrocardiogram (ECG)?

A. Willem Einthoven
B. Edward Jenner
C. Antonio de Ulloa and Charles Wood
D. Karl Benz

View Answer

Question 69

Which country on 23 October 2017 signed the Paris agreement on climate change, leaving the United States and Syria as the only two countries holding outto sign this global climate pact?

A. Nicaragua
B. Colombia
C. Peru
D. Uganda

View Answer

Question 70

What was invented by J. B. Dunlop?

A. Airplane
B. Car
C. Rubber Tyre
D. Rubber Boot

View Answer

Question 71

Which insurance salesman invented the fountain pen in 1884?

A. Lewis Edson Waterman
B. Sir William Grove
C. Charles Kettering
D. George Fountain

View Answer

Question 72

Who Invented Traffic Signal ?

A. Lewis Edson Waterman
B. Levi Strauss
C. Percy LeBaron Spencer
D. Garrett Augustus Morgan

View Answer

Question 73

What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

A. Microwave oven
B. Remote control
C. VCR
D. Calculator

View Answer

Question 74

What groovy item was invented by Englishman Edward Craven Walker in 1963?

A. Leisure suit
B. Lava lamp
C. Eight-track tape deck
D. Hot comb

View Answer

Question 75

Helicopter was invented by

A. Drinker
B. Broquet
C. Copernicus
D. Cockrell

View Answer

Question 76

The first hand glider was designed by...?

A. Leonardo DaVinci
B. The Wright brothers
C. Francis Rogallo
D. Galileo

View Answer

Question 77

What J. B. Dunlop invented?

A. Pneumatic rubber tire
B. Automobile wheel rim
C. Rubber boot
D. Model airplanes

View Answer

Question 78

Who Invented Dishwasher?

A. Vint Cerf
B. David Chaum
C. Georges Claude
D. Josephine Cochrane

View Answer

Question 79

Which of the following was first patented by an Australian in 1889?

A. Electric Drill
B. Electric Shaver
C. Electric Fence
D. Electric Heater

View Answer

Question 80

Cinematography was invented by

A. Graham Bell
B. Edison
C. Zeiss
D. Faraday

View Answer

Question 81

Who invented Aerosol can?

A. Erik Rotheim
B. Erik Mathew
C. Erik Tim
D. Eric Flayer

View Answer

Question 82

Landstrom invented

A. Metallurgy
B. Gas Engine
C. Safety Match
D. None of these

View Answer

Question 83

Who invented the vacuum pump?

A. Otto von Guericke
B. Cai Lun
C. Melitta Bentz
D. William Henry Fox Talbot

View Answer

Question 84

Prime Minister Narendra Modi inaugurated India's longest rail-road bridge Bogibeel Bridge in which state?

A. Tripura
B. Sikkim
C. Assam
D. Arunachal Pradesh

View Answer

Question 85

Who discovered Fullerene (an allotrope of carbon)?

A. K Scheele
B. Richard Smalley
C. Faraday
D. Heisenberg

View Answer

Question 86

When was the toothbrush invented?

A. 1770
B. 1765
C. 1790
D. 1742

View Answer

Question 87

The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

A. John Christopher Ballantyne
B. Joseph Cyril Bamford
C. John Christopher Baxter
D. Jack Croxford Baker

View Answer

Question 88

This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel.

A. George Washington
B. Alexander Hamilton
C. John Adams
D. Thomas Jefferson

View Answer

Question 89

The first thermionic valve was invented by

A. Thomas Edison
B. Richardson
C. J.A. Fleming
D. Lee De Forest

View Answer

Question 90

Electric chair was invented by

A. Alfred P. Southwick
B. Isaac Singer
C. Murasaki Shikibu
D. Hanaoka Seish

View Answer

Question 91

Where were wigs first invented?

A. Japan
B. France
C. Egypt
D. China

View Answer

Question 92

When was the voting machine invented?

A. 1980
B. 1892
C. 1989
D. 1920

View Answer

Question 93

Which of the following branches of mathematics was invented by Newton?

A. Calculus
B. Logic
C. Algebra
D. Geometry

View Answer

Question 94

Who invented Jet Engine?

A. Sir Frank Whittle
B. Gottlieb Daimler
C. Roger Bacon
D. Lewis E. Waterman

View Answer

Question 95

Who Invented Universal Standard Time?

A. Enrico Fermi
B. Adolf Gaston Eugen Fick
C. Sandford Fleming
D. Benoit Fourneyron

View Answer

Question 96

The cause of Beri Beri was discovered by

A. Eijkman
B. Macmillan
C. Alexanderson
D. Cockrell

View Answer

Question 97

State Land Reform is under which part of the Constitution?

A. 7th Schedule
B. 8th schedule
C. 9th Schedul
D. 10th schedule

View Answer

Question 98

Who invented Gunpowder?

A. G. Ferdinand Von Zeppelin
B. Sir Frank Whittle
C. Roger Bacon
D. Leo H Baekeland

View Answer

Question 99

Where is the village of Branston, after which the famous pickle is named?

A. Yorkshire
B. Lancashire
C. Staffordshire
D. Norfolk

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Question 100

In the 1700s,who would pay the postage fee for letters before the stamp was invented?

A. The sender
B. There was no fee
C. The receiver of the letter
D. The post office

View Answer

Question 101

Who is the english physicist responsible for the "Big Bang Theory"?

A. Albert Einstein
B. Michael Skube
C. George Gamow
D. Roger Penrose

View Answer

Question 102

Albert Sabin is known for developing _____.

A. smallpox vaccine
B. polio vaccine
C. penicillin
D. hepatitis B vaccine

View Answer

Question 103

Who Invented airbag?

A. Wright brothers
B. Reynold B. Johnson
C. Assen Jordanoff
D. Ken Kutaragi

View Answer

Question 104

What Thomas Davenport invented?

A. Screw propellor
B. Electric streetcar
C. Chesterfield
D. Sleeping (railway) car

View Answer

Question 105

Who had an explosive idea and first patented DYNAMITE?

A. J. R. Gluber
B. A. Nobel
C. G. Fawks
D. W. Bickford

View Answer

Question 106

The most important feature of the Indian Parliament is  that:

A. it is the Union Legislature in India
B. it also comprises of the president
C. it is bicameral in nature
D. the upper House of the Parliament is never dissolved

View Answer

Question 107

Magic Marker was invented by _______.

A. Adolphe Sax
B. Albert Bruce Sabin
C. Sidney Rosenthal
D. Hyman George Rickover

View Answer

Question 108

Who invented Bicycle?

A. Leo H Baekeland
B. Karl Benz
C. Evangelista Torricelli
D. Kirkpatrick Macmillan

View Answer

Question 109

Which dynasty had its capital at Chittorgarh?

A. Chauhan
B. Sisodia
C. Hada
D. Rathor

View Answer

Question 110

Who invented the battery?

A. John Wilkinson
B. Alessandro Volta
C. James Hargreaves
D. Thomas Edison

View Answer

Question 111

Who made corn flakes at first?

A. Nabisco
B. Kellogg
C. Quaker
D. Archers

View Answer

Question 112

When was the first elevator built?

A. 1743
B. 1739
C. 1760
D. 1785

View Answer

Question 113

Which scientist discovered the radioactive element radium?

A. Isaac Newton
B. Marie Curie
C. Benjamin Franklin
D. None of these

View Answer

Question 114

Who invented fuel cells in 1839?

A. Buckminster Fuller
B. Sir William Grove
C. Sylvester Graham
D. Joyce Hall

View Answer

Question 115

Who Invented Ceiling fan?

A. Lloyd Groff Copeman
B. Bartolomeo Cristofori
C. Leonardo da Vinci
D. Philip Diehl

View Answer

Question 116

Who Invented Piano ?

A. Bartolomeo Cristofori di Francesco
B. Ruth Graves Wakefield
C. Adolf Gaston Eugen Fick
D. Jacques Cousteau

View Answer

Question 117

Who invented bluetooth?

A. Kirkpatrick Macmillan
B. Benjamin Franklin
C. Dr. Jaap Haartsen
D. Charles Babbage

View Answer

Question 118

What Elmer A. Sperry invented?

A. Hydroplane
B. Hydraulic turbine
C. Magnetic compass
D. Gyrocompass

View Answer

Question 119

Who Invented PlayStation?

A. Wright brothers
B. Reynold B. Johnson
C. Assen Jordanoff
D. Ken Kutaragi

View Answer

Question 120

Who discovered Neon?

A. Robert Noyce
B. Enrico Fermi
C. Morris W. Travers and William Ramsay
D. Antonio de Ulloa and Charles Wood

View Answer

Question 121

Physical Research Laboratory was founded by ____.

A. S.K. Mitra
B. C.V. Raman
C. Homi Bhaba
D. Vikram Sarabhai

View Answer

Question 122

Who discovered the colour photography?

A. Robert Noyce
B. Enrico Fermi
C. John Logie Baird
D. James Clerk Maxwell

View Answer

Question 123

Steam Engine was invented by?

A. Simon Stevin
B. George Stephenson
C. Gary Starkweather
D. Percy Spencer

View Answer

Question 124

What Igor Sikorsky invented?

A. Hydroplane
B. Jet engine airplane
C. Helicopter
D. Glider

View Answer

Question 125

Who Invented the 3-D printer?

A. Nick Holonyak
B. Elias Howe
C. Chuck Hull
D. Christiaan Huygens

View Answer

Question 126

Who is the inventor of  printing press?

A. Johann Gutenberg
B. William Lee
C. George Eastman
D. R.W Thomson

View Answer

Question 127

Who invented the mouse of a computer?

A. John Backus
B. Charles Babbage
C. Douglas Engelbart
D. Simon Colton

View Answer

Question 128

Arithmometer was invented by

A. Evangelista Torricelli
B. Charles Xavier Thomas
C. Edward Teller
D. Gustav Tauschek

View Answer

Question 129

Which of the following was invented by Sir Humphry Davy?

A. Safety Pin
B. Steam Engine
C. Safety Lamp
D. X-Rays

View Answer

Question 130

What toy was invented by Joshua Lionel Cowen around 1900?

A. Raggedy Ann doll
B. Yo-yo
C. Electric train
D. Tinkertoys

View Answer

Question 131

Which of the digestive organs contains acid?

A. Stomach
B. Small intestine
C. Appendix
D. Colon

View Answer

Question 132

It travels over land and water. Who invented the HOVERCRAFT?

A. C. Cockerell
B. S. Sperrow
C. O. Stricheg
D. T. Henman

View Answer

Question 133

For what is Charles Babbage (1792-1871) remembered?

A. Computers
B. Telescopes
C. Radio-Telegraphy
D. Steam Boating

View Answer

Question 134

Who invented Internal Combustion Engine?

A. Roger Bacon
B. Karl Benz
C. Dr. Alan M. Turing
D. Otto

View Answer

Question 135

Who Invented Post-it note?

A. William Friese-Greene
B. Arthur Fry
C. Gordon Gould
D. Otto von Guericke

View Answer

Question 136

The Solar System was discoverd by

A. Galleleo
B. Finsen
C. Copernicus
D. None of these

View Answer

Question 137

Who Discovered The Nucleus of a Cell?

A. Otto Hahn
B. John Dalton
C. Robert Brown
D. Marie Curie

View Answer

Question 138

Who discovered electricity and invented the lightning rod and bifocals?

A. Kirkpatrick Macmillan
B. Benjamin Franklin
C. William Henry Fox Talbot
D. Sir Alexander Fleming

View Answer

Question 139

Who invented the waterproof raincoat?

A. Robert Hooke
B. Cai Lun
C. Charles Macintosh
D. William Harvey

View Answer

Question 140

Who invented Bifocal Lens?

A. John Adams
B. Benjamin Franklin
C. James Madison
D. Thomas Jefferson

View Answer

Question 141

World Wide Web was invented by ________.

A. John Barber
B. Tim Berners­Lee
C. Alan Blumlein
D. David Brewster

View Answer

Question 142

What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?

A. String bikini
B. Muumuu
C. Aloha shirt
D. Capri pants

View Answer

Question 143

Who Invented The World Wide Web ?

A. Sir Timothy John
B. Earle Dickson
C. James Rineose
D. Laszlo Jozsef Biro

View Answer

Question 144

Who invented the bifocal glasses?

A. Thomas Alva Edison
B. Benjamin franklin
C. Evangelista
D. Isaac Newton

View Answer

Question 145

FROZEN FOOD - Who discovered the first practical method of freezing food?

A. C. Birdseye
B. F. Rozenosh
C. G. Findus
D. R. Scott

View Answer

Question 146

Inventor of Instant Noodles was a citizen of which country?

A. China
B. South Korea
C. Japan
D. North Korea

View Answer

Question 147

Who among the following discovered electron?

A. J.J Thomson
B. Max Born
C. Antoine Lavoisier
D. Mendeleef

View Answer

Question 148

What was invented by Zacharias Jansen?

A. Jet Engine
B. Radium
C. Microscope
D. Electric Lamp

View Answer

Question 149

Who invented the BALLPOINT PEN?

A. Write Brothers
B. Waterman Brothers
C. Biro Brothers
D. Bicc Brothers

View Answer

Question 150

What Sir Isaac Newton invented?

A. Reflecting telescope
B. Chronometer
C. Microscope
D. Spectacles

View Answer

Question 151

Who Invented Internet Protocol?

A. Vint Cerf
B. David Chaum
C. Georges Claude
D. Josephine Cochrane

View Answer

Question 152

Who perfected GENETIC ENGINEERING?

A. Cohen & Boyer
B. Hunt & Davids
C. Sinclair & Roberts
D. Jaysson & Simons

View Answer

Question 153

What George Westinghouse invented?

A. Light bulb
B. Electric razor
C. Refrigerator
D. Railway air brakes

View Answer

Question 154

Kaleidoscope was invented by ________.

A. John Barber
B. Tim Berners­Lee
C. Alan Blumlein
D. David Brewster

View Answer

Question 155

Who invented Emoji in 1999?

A. Shigetaka Kurita
B. Hemang Amin
C. Lee Loong
D. Hamilton

View Answer

Question 156

App to locate board exam centre for students launched by ?

A. CBSE
B. IIT
C. JNU
D. NCERT

View Answer

Question 157

What Galileo invented?

A. Barometer
B. Pendulum clock
C. Microscope
D. Thermometer

View Answer

Question 158

Who invented ECG?

A. Hans Berger
B. Einthoven
C. G. Bist
D. None of the above

View Answer

Question 159

Who discovered Circulatory System?

A. Thomas Edison
B. William Harvey
C. Robert Hooke
D. Robert Boyles

View Answer

Question 160

Who Invented Neon Lamp?

A. Vint Cerf
B. David Chaum
C. Georges Claude
D. Josephine Cochrane

View Answer

Question 161

When was the game Frisbee invented?

A. 1920s
B. 1900s
C. 1870s
D. 1890s

View Answer

Question 162

Which scientist discovered the radioactive element radium?

A. Isaac Newton
B. Albert Einstein
C. Benjamin Franklin
D. Marie Curie

View Answer

Question 163

What Frank Whittle invented?

A. Radar
B. Ethyl gasoline
C. Sonar
D. Jet propulsion

View Answer

Question 164

Sewing machine was invented by

A. Alfred P. Southwick
B. Isaac Singer
C. Murasaki Shikibu
D. Hanaoka Seishu

View Answer

Question 165

Who invented the Lightning Rod in 1749?

A. Benjamin Franklin
B. Nikola Tesla
C. Eli Whitney
D. George Washington

View Answer

Question 166

William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________?

A. Pie maker
B. Owner of a pizza parlor
C. Student at Yale
D. Ceramic plate designer

View Answer

Question 167

Who invented the first controllable flying AEROPLANE (AIRPLANE)?

A. Wright Brothers
B. Lidenbergh Brothers
C. South Brothers
D. West Brothers

View Answer

Question 168

Blood Circulation was discovered by?

A. Mary Anderson
B. Virginia Apgar
C. William Harvey
D. Robert Feulgen

View Answer

Question 169

When was Monopoly created?

A. 1940s
B. 1930s
C. 1920s
D. 1950s

View Answer

Question 170

Assembly line was invented by

A. Alexander Parkes
B. Luigi Palmieri
C. Alexey Pajitnov
D. Ransom Eli Olds

View Answer

Question 171

Who invented Electric Generator?

A. Sir Alexander Graham Bell
B. Michael Faraday
C. Alfred B. Nobel
D. Thomas Alva Edison

View Answer

Question 172

For whom high heeled shoes were invented?

A. Cleopatra
B. Queen Elizabeth I
C. King Louis the XIV
D. King Charles II

View Answer

Question 173

Who Invented Electric Stove?

A. Lloyd Groff Copeman
B. Bartolomeo Cristofori
C. Leonardo da Vinci
D. Philip Diehl

View Answer

Question 174

In which decade was the telephone invented?

A. 1850s
B. 1860s
C. 1870s
D. 1880s

View Answer

Question 175

D.D.T. was invented by

A. Paul Muller
B. John Dalton
C. Rudolf
D. None of these

View Answer

Question 176

Bacteria was discovered by

A. Antonie van Leeuwenhoek
B. Belarus
C. Hugo de Vries
D. Robert Brown

View Answer

Question 177

Artificial Intelligent robot named Shelley developed by the MIT media lab writes which type of stories?

A. Love
B. Action
C. Drama
D. Horror

View Answer

Question 178

Roentgen discovered

A. Electrocardiograph
B. X–rays
C. Anti polio vaccine
D. Encephalograph

View Answer

Question 179

Who invented Airship (rigid)?

A. Dr. Alan M. Turing
B. Roger Bacon
C. G. Ferdinand Von Zeppelin
D. Otto

View Answer

Question 180

Who invented Space Pen?

A. Paul C. Fisher
B. Rudolf Diesel
C. Wright Brothers
D. Alexander Fleming

View Answer

Question 181

Who Invented Induction Coil?

A. Edwin Howard Armstrong
B. John Barber
C. Edwin Beard Budding
D. Nicholas Callan

View Answer

Question 182

Who invented Dynamite?

A. Sir Alexander Graham Bell
B. Benjamin Franklin
C. Thomas Alva Edison
D. Alfred B. Nobel

View Answer

Question 183

What invention was first installed at a Hartford, Connecticut bank in 1889?

A. Automatic teller machine
B. Time-lock safe
C. Burglar alarm
D. Pay telephone

View Answer

Question 184

Soda water was invented by

A. Tivadar Puskas
B. Joseph Priestley
C. Petrache Poenaru
D. James Leonard Plimpton

View Answer

Question 185

Who Invented FM Radio?

A. Edwin Howard Armstrong
B. John Barber
C. Edwin Beard Budding
D. Nicholas Callan

View Answer

Question 186

Who discovered Penicillin?

A. Edward Jenner
B. Niels Bohr
C. Sir Alexander Fleming
D. Heinrich Hertz

View Answer

Question 187

The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

A. Robert Oppenheimer
B. James B. Conant
C. Leslie R. Groves
D. Vannevar Bush

View Answer

Question 188

Who invented the thermos flask?

A. Ray Tomlinson
B. Tim Berners-Lee
C. William Cullen
D. James Dewar

View Answer

Question 189

In which decade was the Internet first implemented?

A. 1940s
B. 1950s
C. 1960s
D. 1980s

View Answer

Question 190

What African-American inventor received 5 patents in the field of shoemaking?

A. Elijah McCoy
B. Jan Ernst Matzeliger
C. Ernest Just
D. Lewis Latimer

View Answer

Question 191

When were blue jeans invented?

A. 1900s
B. 1850s
C. 1860s
D. 1870s

View Answer

Question 192

The credit of inventing the tv goes to

A. Philo Farnsworth
B. John Logie Baird
C. Philo Farnsworth
D. None of the above

View Answer

Question 193

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

View Answer

Question 194

What Henry Bessemer invented?

A. Aluminum
B. Electroplating
C. Steel Converter
D. Steel rolling mill

View Answer

Question 195

Who invented Electric Generator?

A. Michael Faraday
B. Thomas Alva Edison
C. Graham Bell
D. Alfred Nobel

View Answer

Question 196

The credit of inventing the television goes to

A. Philo Farnsworth
B. John Logie Baird
C. Charles Francis Jenkins
D. None of the above

View Answer

Question 197

Who invented "Coca Cola"?

A. Floyd Paxton
B. Les Paul
C. John Pemberton
D. Forrest Parry

View Answer

Question 198

The artificial heart was invented by _________.

A. Muhammad Yunus
B. Linus Yale, Jr.
C. Gazi Yasargil
D. Paul Winchell

View Answer

Question 199

In the 1700s, who would pay the postage fee for letters before the stamp was invented?

A. The sender
B. There was no fee
C. The receiver of the letter
D. The post office

View Answer

Question 200

Who Invented the nuclear reactor?

A. Enrico Fermi
B. Adolf Gaston Eugen Fick
C. Sandford Fleming
D. Benoit Fourneyron

View Answer

Question 201

Simpson and Harrison are associated with the invention of

A. Boson
B. Chloroform
C. Balloon
D. None of these

View Answer

Question 202

Who invented the Seed Drill?

A. Jethro Tull
B. Arlo Guthrie
C. Woodie Guthrie
D. Thomas Hines

View Answer

Question 203

Who came up with the idea for INSTANT MASHED POTATO?

A. S. Tuberosum
B. W. Raleigh
C. E. Asselbergs
D. K. Edwards

View Answer

Question 204

Who designed the first electronic computer ENIAC?

A. J presper Eckert and John W Mauchly
B. John W Mauchly and Joseph M Jacquard
C. J presper Eckert and Von Neuman
D. None of the above

View Answer

Question 205

Who Invented Laser?

A. William Friese­Greene
B. Arthur Fry
C. Gordon Gould
D. Otto von Guericke

View Answer

Question 206

Seismometer was invented by

A. Alexander Parkes
B. Luigi Palmieri
C. Alexey Pajitnov
D. Ransom Eli Olds

View Answer

Question 207

Who developed the idea of Crop Rotation?

A. Potato Peterson
B. Turnip Townsend
C. Cabbage Carlson
D. Swede Svenson

View Answer

Question 208

Barometer was invented by

A. Evangelista Torricelli
B. Charles Xavier Thomas
C. Edward Teller
D. Gustav Tauschek

View Answer

Question 209

Who invented the phonograph?

A. Thomas Edison
B. John Kruesi
C. Jules Levy
D. Alexander Graham Bell

View Answer

Question 210

Who is the English physicist responsible for the 'Big Bang Theory'?

A. Albert Einstein
B. Michael Skube
C. George Gamow
D. Roger Penrose

View Answer

Question 211

Who Invented Contact Lens ?

A. Joel Houghton
B. Ruth Graves Wakefield
C. Adolf Gaston Eugen Fick
D. John Stith Pemberton

View Answer

Question 212

CORN FLAKES - Who made them first?

A. Nabisco
B. Kellogg
C. Quaker
D. Archers

View Answer

Question 213

Dynamite was invented by?

A. Jean-Antoine Nollet
B. Alfred Nobel
C. Joseph Nicephore Niepce
D. Ted Nelson

View Answer

Question 214

When was barb wire patented?

A. 1874
B. 1840
C. 1895
D. 1900

View Answer

Question 215

What item, originally called the ‘Whirlwind’, was invented by Ives McGaffey in 1869?

A. Blender
B. Electric mixer
C. Washing machine
D. Vacuum cleaner

View Answer

Question 216

Who discovered Electron?

A. Niels Bohr
B. J.J. Thomson
C. Abert Einstein
D. Ernest Rutherford

View Answer

Question 217

Who invented Gramophone?

A. Michael Faraday
B. Fahrenheit
C. Sir Alexander Graham Bell
D. Thomas Alva Edison

View Answer

Question 218

Who discovered malaria causing germs?

A. Christiaan Bernard
B. Charles Louis Alphonse Laveran
C. Dmitry Ivanovsky
D. Martinus William Beijerinck

View Answer

Question 219

In which decade was the telegraph invented?

A. 1810s
B. 1840s
C. 1870s
D. 1890s

View Answer

Question 220

X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?

A. Wilhelm Rontgen
B. Niels Bohr
C. Ernest Rutherford
D. Max Bon

View Answer

Question 221

Who Invented Microwave Oven ?

A. Lewis Edson Waterman
B. Levi Strauss
C. Percy LeBaron Spencer
D. Sir Sandford Fleming

View Answer

Question 222

An eudiometer measures

A. Atmospheric pressure
B. Time
C. Volume of gases
D. Vapour pressure

View Answer

Question 223

Who Invented water turbine?

A. Enrico Fermi
B. Adolf Gaston Eugen Fick
C. Sandford Fleming
D. Benoit Fourneyron

View Answer

Question 224

What George Westinghouse invented?

A. Electric razor
B. Light bulb
C. Railway air brakes
D. Refrigerator

View Answer

Question 225

Choose the word which is nearest in meaning to the given word ‘EGREGIOUS’

A. Common
B. Social
C. Plain
D. Atrocious

View Answer

Question 226

Who Invented postage stamp?

A. Ruth Handler
B. John Harington
C. Rowland Hill
D. Felix Hoffmann

View Answer

Question 227

Who invented Vacuum Flask?

A. Charles Babbage
B. Alexander Fleming
C. Gregory Pincus
D. James Dewar

View Answer

Question 228

What invention caused many deaths while testing it?

A. Dynamite
B. Ladders
C. Race cars
D. Parachute

View Answer

Question 229

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

A. Telephone
B. Early Warning
C. Electricity
D. Television

View Answer

Question 230

Analytical Engine was invented by

A. Dewar
B. Charles Babbage
C. Daimler
D. None of these

View Answer

Question 231

Who Invented the First Adhesive Tape ?

A. Richard GurleyDrew
B. Alexander Graham Bell
C. James Rineose
D. Caresse Crosby

View Answer

Question 232

Who invented the Centigrade scale?

A. Anders Celsius
B. Daniel Gabriel Fahrenheit
C. William Thomson
D. Wright Brothers

View Answer

Question 233

Who pioneered diagnostic ultrasound?

A. Alexander Fleming
B. Ian Donald
C. A. Laveran
D. Robert Koch

View Answer

Question 234

Who invented Fountain Pen?

A. Sir Frank Whittle
B. John J. Loud
C. Kirkpatrick Macmillan
D. Lewis E. Waterman

View Answer

Question 235

Robert Hooke discovered cells by observing them in a ______.

A. onion peel
B. cork slice
C. pond water
D. No option is correct

View Answer

Question 236

Louis Pasteur was known for discovery of

A. Polio vaccine
B. Chicken pox vaccine
C. Small pox vaccine
D. Rabies vaccine

View Answer

Question 237

What George Pullman invented?

A. Sleeping (railway) car
B. Airship
C. Box car (railway)
D. Air brakes

View Answer

Question 238

Who discovered Photon?

A. George Crum
B. Albert Einstein
C. Henry Cavendish
D. Humphry Davy

View Answer

Question 239

In which decade was the AEEE (now the IEEE) founded?

A. 1850s
B. 1880s
C. 1930s
D. 1950s

View Answer

Question 240

Who discovered Oxygen?

A. Carl Scheele
B. Hooke
C. Heisenberg
D. Williams

View Answer

Question 241

In which decade was the transistor invented?

A. 1940s
B. 1950s
C. 1960s
D. 1980s

View Answer

Question 242

What was recently discovered hidden under ice in Antarctica?

A. A massive mountain range
B. A lost Kingdom
C. A massive canyon system and lake
D. A huge Dinosaur Skeleton

View Answer

Question 243

Where was paper invented?

A. China
B. India
C. Zambia
D. Germany

View Answer

Question 244

What James Watt invented?

A. Diving bell
B. Steam boat
C. Hot air balloon
D. Rotary steam engine

View Answer

Question 245

Who invented the electric tram?

A. James Cook
B. William Harvey
C. Fyodor Pirotsky
D. Robert Boyles

View Answer

Question 246

What did Sir William Herschel discover in 1800?

A. Ultraviolet rays
B. Infra-red radiation
C. X rays
D. Microwaves

View Answer

Question 247

Who discovered Insulin

A. William Harvey
B. Louis Pasteur
C. F.G.Banting
D. Alexander Fleming

View Answer

Question 248

The first large scale electrical air conditioning was invented and used in 1902 by

A. Willis Carrier
B. John Gorrie
C. Stuart Cramer
D. H.H. Schultz

View Answer

Question 249

Revolver discovered by

A. Colt
B. Mercafter
C. Bushwell
D. Daimler

View Answer

Question 250

Which is an invention that improved safety for railway passengers?

A. Air brakes
B. Refrigerated rail cars
C. Time standardization
D. Pullman sleeping cars

View Answer

Question 251

Who developed the theory of relativity?

A. Issac Newton
B. Charles Darwin
C. Marie Curie
D. Albert Einstein

View Answer

Question 252

In which decade was the first solid state integrated circuit demonstrated?

A. 1950s
B. 1960s
C. 1970s
D. 1980s

View Answer

Question 253

Who invented waterproof fabrics ?

A. James Dewar
B. Charles Goodyear
C. Mary Moore
D. Charles Macintosh

View Answer

Question 254

In which country the hormone gibberellin was discovered?

A. India
B. Japan
C. China
D. Russia

View Answer

Question 255

What office item was invented by Bette Nesmith Graham in 1951?

A. Fax machine
B. Stapler
C. Liquid Paper
D. Copy machine

View Answer

Question 256

Who invented Pentium Chip?

A. Kumar Patel
B. Tom Gunter
C. Vince Emery
D. Vinod Dham

View Answer

Question 257

Who invented Antibiotics?

A. Joseph Lister
B. William Harvey
C. Robert Knock
D. Alexander Fleming

View Answer

Question 258

What charge card, developed in 1950, was the first to be approved nationally in the US?

A. Discover
B. MasterCharge
C. Visa
D. Diner's Club

View Answer

Question 259

When were bar code scanners invented?

A. 1940s
B. 1950s
C. 1970s
D. 1960s

View Answer

Question 260

Who invented Gramophone?

A. Michael Faraday
B. Fahrenheit
C. Alexander Graham Bell
D. Thomas Alva Edison

View Answer

Question 261

Who invented Helicopter?

A. Copernicus
B. Sikorsky
C. Cockrell
D. Drinker

View Answer

Question 262

Who invented the mobile phone?

A. Joseph Wilson
B. Edwin Land
C. Martin Cooper
D. John Lloyd Wright

View Answer

Question 263

Who invented logarithms?

A. Mandeleef
B. Shockley
C. Amundson
D. John Napier

View Answer

Question 264

This part-time race car driver invented the bucket seat in 1969. Who was he??

A. Steve McQueen
B. Harrison Frazier
C. Paul Newman
D. John Wayne

View Answer

Question 265

Who invented Radio?

A. Grahambell
B. Galileo
C. Marconi
D. Edison

View Answer

Question 266

Who invented Bakelite?

A. Charles Goodyear
B. Leo Hendrik Baekeland
C. Roy Plunkett
D. Henry Ford

View Answer

Question 267

This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.

A. George Washington
B. Alexander Hamilton
C. John Adams
D. Thomas Jefferson

View Answer

Question 268

What furniture item was invented by California furniture designer Charles Prior Hall in 1968?

A. Sofa bed
B. Captain's chair
C. Waterbed
D. Hammock

View Answer

Question 269

Who invented logarithms?

A. Eden Snowden
B. Larry Page
C. Thomas Edison
D. John Napier

View Answer

Question 270

In which year was MIDI introduced?

A. 1987
B. 1983
C. 1973
D. 1977

View Answer

Question 271

Who invented Television?

A. J L Baird
B. Aristotle
C. James Clerk Maxwell
D. Nikola Tesla

View Answer

Question 272

Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

A. Golf tee
B. Motorboat
C. Water skis
D. Hang glider

View Answer

Question 273

The first hand glider was designed by…?

A. Leonardo DaVinci
B. The Wright brothers
C. Francis Rogallo
D. Galileo

View Answer

Question 274

Who discovered electron?

A. E. Goldstien
B. J. J. Thomson
C. Ernest Rutherford
D. J. Chadwick

View Answer

Question 275

For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?

A. Notepad
B. Calendar
C. Notice Board
D. Telephone Book

View Answer

Question 276

Who among the following invented the small pox vaccine?

A. Robert Koch
B. Edward Jenner
C. Robert Hooke
D. Louis Pasteur

View Answer

Question 277

What two scientists established the structure of dna?

A. Rosalind Franklin and Maurice Wilkins
B. James Watson and Francis Crick
C. Rosalind Franklin and Francis Crick
D. James Watson and Maurice Wilkins

View Answer

Question 278

Who invented E­Mail?

A. Tim Berners­-Lee
B. James Gosling
C. Vinton Cerf
D. VA Shiva Ayyadurai

View Answer

Question 279

Piano was invented by ________.

A. John Barber
B. Sir Henry Cole
C. Josephine Cochrane
D. Bartolomeo Cristofori

View Answer

Question 280

Who discovered bacteria?

A. Antonie Ven Leeuwenhoek
B. Robert Brown
C. Robert Hook
D. Robert Koch

View Answer

Question 281

When was the game Frisbee invented?

A. 1920s
B. 1900s
C. 1870s
D. 1950s

View Answer

Question 282

What treat was invented by 11-year-old Frank Epperson in 1905?

A. Popsicle
B. Banana split
C. Cotton candy
D. Cracker Jacks

View Answer

Question 283

Christmas Card was invented by ________.

A. John Barber
B. Josephine Cochrane
C. Sir Henry Cole
D. Bartolomeo Cristofori

View Answer

Question 284

What piece of clothing was invented by French fashion designer Louis Reard in 1946?

A. Zoot suit
B. Mini-skirt
C. Bikini
D. Tank top

View Answer

Question 285

Who discovered Potassium?

A. Humphry Davy
B. Alan Turing
C. Bill Gates
D. Tim Berners-Lee

View Answer

Question 286

Which among the following is not correctly matched?

A. Parachute: W H carothers
B. Barometer: Torricelli
C. Cells: Robert Hooke
D. X- Ray: W Roentgen

View Answer

Question 287

Who Invented Lawnmower?

A. Edwin Howard Armstrong
B. John Barber
C. Edwin Beard Budding
D. Nicholas Callan

View Answer

Question 288

Who among the following devised the technique IVF (In vitro Fertilization)?

A. Sir Frank Whittle
B. Robert Edwards
C. Edward Jenner
D. Dr. Martin Cooper

View Answer

Question 289

Who invented the pendulum clock?

A. Galileo Galilei
B. Christiaan Huygens
C. Frederick Jones
D. Davidson

View Answer

Question 290

Who Invented Elevator Safety Brake ?

A. Alfred Bernhard Nobel
B. Elisha Graves Otis
C. Percy LeBaron Spencer
D. Garrett Augustus Morgan

View Answer

Question 291

Who invented Automobiles using gasoline?

A. Leo H Baekeland
B. Karl Benz
C. Evangelista Torricelli
D. Kirkpatrick Macmillan

View Answer

Question 292

Who Invented Modern Frequency Modulation FM Radio ?

A. Peter Durand
B. Percy Shaw
C. Edwin H. Armstrong
D. Leo Hendrik Baekeland

View Answer

Question 293

What Enrico Fermi invented?

A. X ray machine
B. Betatron
C. Cyclotron
D. Nuclear reactor

View Answer

Question 294

Who invented first working laser?

A. A. H. Taylor
B. W. K. Roentgen
C. T. H. Maiman
D. Fred Morrission

View Answer

Question 295

Who is known as inventor of World Wide Standard Time ?

A. Sandford Fleming
B. Fredrich
C. Williamson
D. James Broot

View Answer

Question 296

Fax machine was invented by

A. Daimler
B. Dewar
C. Bain
D. None of these

View Answer

Question 297

What beverage was invented by Charles Alderton in 1885 in Waco, Texas?

A. Cream soda
B. Coca-Cola
C. Dr. Pepper
D. Sprite

View Answer

Question 298

Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?

A. Penicillin
B. Prontosil
C. Streptomycin
D. Tetracyline

View Answer

Question 299

What device for new parents did Ann Moore invent in 1969?

A. Bottle warmer
B. Baby monitor
C. Disposable diaper
D. Infant carrier

View Answer

Question 300

Air conditioner was discovered by

A. Edison
B. Wilson
C. Carrier
D. Roentgen

View Answer

Question 301

What Elisha Otis invented?

A. The brake used in modern elevators
B. Jet Engine
C. Turbine
D. Hydraulic Crane

View Answer

Question 302

General anaesthetic was invented by?

A. Alfred P. Southwick
B. Isaac Singer
C. Murasaki Shikibu
D. Hanaoka Seishū

View Answer

Question 303

Who invented the hot air balloon?

A. Montgolfier brothers
B. Wright brothers
C. Lisitsyn brothers
D. Walton brothers

View Answer

Question 304

Streptomycin was invented by

A. Fleming
B. Marie Curie
C. Walksman
D. None of these

View Answer

Question 305

What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

A. Telegraph
B. Radio
C. Television
D. Dishwasher

View Answer

Question 306

Which famous scientist unknowingly founded the field of spectroscopy?

A. Issac Newton
B. Galileo
C. Graham Bell
D. None of the above

View Answer

Question 307

Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?

A. Washing machine
B. Electric mixer
C. Vacuum cleaner
D. Blender

View Answer

Question 308

The ELECTRIC BATTERY, who's charged with inventing this one?

A. Hertz
B. Amper
C. Galvani
D. Volta

View Answer

Question 309

What ‘game’ was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?

A. Frisbee
B. Monopoly
C. Ouija board
D. Ping Pong

View Answer

Question 310

Who discovered X-rays?

A. W. C. Roentgen
B. Albert Einstein
C. Samuel Cohen
D. Edward Taylor

View Answer

Question 311

Toricelli invented

A. Automobile
B. Barometer
C. Stethoscope
D. None of these

View Answer

Question 312

Who invented Dynamite?

A. J B Dunlop
B. Alfred Nobel
C. James Simons
D. Peter Hargreaves

View Answer

Question 313

In which decade was the Internet first implemented?

A. 1940s
B. 1960s
C. 1970s
D. 1980s

View Answer

Question 314

Who invented Automobiles using gasoline?

A. Karl Benz
B. Kirk Macmillan
C. Thomas Alva Edison
D. William Ford

View Answer

Question 315

Who was the invertor of frozen foods?

A. Alfred Nobel
B. Clarence Birdseye
C. Frank Whittle
D. Ives McGaffey

View Answer

Question 316

Who discovered Electron?

A. Enrico Fermi
B. Robert Noyce
C. J.J.Thomson
D. James Dyson

View Answer

Question 317

Typewriter was invented by

A. Shockley
B. Sholes
C. Howe
D. None of these

View Answer

Question 318

Venn diagram was invented by

A. Lucien Vidi
B. John Venn
C. Theophilus Van Kannel
D. Lewis Urry

View Answer

Question 319

We remember Charles Babbage (1792-1871) for what ?

A. Computers
B. Radio-Telegraphy
C. Steam Boating
D. Telescopes

View Answer

Question 320

What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

A. Microwave oven
B. Remote control
C. VCR
D. Calculator

View Answer

Question 321

Who discovered Insulin?

A. Sir Alexander Fleming
B. Frederick Banting
C. James Watt
D. Sir F.G. Hopkins

View Answer

Question 322

Who invented Fountain Pen?

A. John J. Loud
B. Sir Frank Whittle
C. Lewis E. Waterman
D. Kirkpatrick Macmillan

View Answer

Question 323

Revolving Door was invented by ________.

A. Lucien Vidi
B. John Venn
C. Theophilus Van Kannel
D. Lewis Urry

View Answer

Question 324

Who invented Rocket?

A. Rich K Goyle
B. E M Forster
C. Robert Goddard
D. James Anderson

View Answer

Question 325

Who invented radar?

A. Fred Morrison
B. A. H. Taylor and Leo C. Young
C. Van Tassel
D. W. K. Roentgen

View Answer

Question 326

In which decade were the first successful diode and triode vacuum tubes invented?

A. 1800s
B. 1880s
C. 1890s
D. 1900s

View Answer

Question 327

Stainless steel was invented by

A. William Howard Livens
B. Joseph Aspdin
C. Harry Brearley
D. James Dyson

View Answer