MCQOPTIONS
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MCQOPTIONS
This section includes 327 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
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 |
| Answer» C. Ernest Just | |
| 52. |
Who invented Bifocal Lens? |
| A. | Alfred B. Nobel |
| B. | Thomas Alva Edison |
| C. | Benjamin Franklin |
| D. | Rudolf Diesel |
| Answer» D. Rudolf Diesel | |
| 53. |
What Sir Isaac Newton invented? |
| A. | Reflecting telescope |
| B. | Chronometer |
| C. | Microscope |
| D. | Spectacles |
| Answer» B. Chronometer | |
| 54. |
Who invented Bakelite? |
| A. | Charles Goodyear |
| B. | Leo Hendrik Baekeland |
| C. | Roy Plunkett |
| D. | Henry Ford |
| Answer» C. Roy Plunkett | |
| 55. |
This English inventor is known as the 'Father of Computing.' |
| A. | Philo Farnsworth |
| B. | J. Presper Eckert |
| C. | John Mauchly |
| D. | Charles Babbage |
| Answer» E. | |
| 56. |
Who came up with the idea for INSTANT MASHED POTATO? |
| A. | S. Tuberosum |
| B. | W. Raleigh |
| C. | E. Asselbergs |
| D. | K. Edwards |
| Answer» D. K. Edwards | |
| 57. |
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 |
| Answer» B. Marjorie Joyner | |
| 58. |
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 |
| Answer» C. Sun light on steel posts on road sides | |
| 59. |
Who invented Gramophone? |
| A. | Michael Faraday |
| B. | Fahrenheit |
| C. | Sir Alexander Graham Bell |
| D. | Thomas Alva Edison |
| Answer» E. | |
| 60. |
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 |
| Answer» E. | |
| 61. |
Who invented Internal Combustion Engine? |
| A. | Roger Bacon |
| B. | Karl Benz |
| C. | Dr. Alan M. Turing |
| D. | Otto |
| Answer» E. | |
| 62. |
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 |
| Answer» B. James B. Conant | |
| 63. |
When was the first lawn mower invented? |
| A. | 1830 |
| B. | 1854 |
| C. | 1835 |
| D. | 1849 |
| Answer» B. 1854 | |
| 64. |
In which decade were the first successful diode and triode vacuum tubes invented? |
| A. | 1800s |
| B. | 1880s |
| C. | 1890s |
| D. | 1900s |
| Answer» E. | |
| 65. |
Who invented Jet Engine? |
| A. | Sir Frank Whittle |
| B. | Gottlieb Daimler |
| C. | Roger Bacon |
| D. | Lewis E. Waterman |
| Answer» B. Gottlieb Daimler | |
| 66. |
Who is the English physicist responsible for the 'Big Bang Theory'? |
| A. | Albert Einstein |
| B. | Michael Skube |
| C. | George Gamow |
| D. | Roger Penrose |
| Answer» D. Roger Penrose | |
| 67. |
Who invented Gunpowder? |
| A. | G. Ferdinand Von Zeppelin |
| B. | Sir Frank Whittle |
| C. | Roger Bacon |
| D. | Leo H Baekeland |
| Answer» D. Leo H Baekeland | |
| 68. |
In which decade was the telephone invented? |
| A. | 1850s |
| B. | 1860s |
| C. | 1870s |
| D. | 1880s |
| Answer» D. 1880s | |
| 69. |
What plaything was invented by Joe McVicker in 1956? |
| A. | Silly Putty |
| B. | Etch-A-Sketch |
| C. | Lite-Brite |
| D. | Play-Doh |
| Answer» E. | |
| 70. |
What Benjamin Franklin invented? |
| A. | Bifocal spectacles |
| B. | Radio |
| C. | Barometer |
| D. | Hygrometer |
| Answer» B. Radio | |
| 71. |
What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? |
| A. | Microwave oven |
| B. | Remote control |
| C. | VCR |
| D. | Calculator |
| Answer» C. VCR | |
| 72. |
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 |
| Answer» B. Harrison Frazier | |
| 73. |
Where is the village of Branston, after which the famous pickle is named? |
| A. | Yorkshire |
| B. | Lancashire |
| C. | Staffordshire |
| D. | Norfolk |
| Answer» D. Norfolk | |
| 74. |
What Galileo invented? |
| A. | Barometer |
| B. | Pendulum clock |
| C. | Microscope |
| D. | Thermometer |
| Answer» E. | |
| 75. |
What James Watt invented? |
| A. | Diving bell |
| B. | Steam boat |
| C. | Hot air balloon |
| D. | Rotary steam engine |
| Answer» E. | |
| 76. |
In which decade was the first solid state integrated circuit demonstrated? |
| A. | 1950s |
| B. | 1960s |
| C. | 1970s |
| D. | 1980s |
| Answer» B. 1960s | |
| 77. |
When was barb wire patented? |
| A. | 1874 |
| B. | 1840 |
| C. | 1895 |
| D. | 1900 |
| Answer» B. 1840 | |
| 78. |
Q: A jkk boy started from his home in the morning and walked 8 km. in the direction of Sun??? |
| A. | eh |
| B. | eh |
| C. | eh |
| D. | eh |
| Answer» E. | |
| 79. |
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 |
| Answer» B. Niels Bohr | |
| 80. |
World Wide Web was invented by ________. |
| A. | John Barber |
| B. | Tim BernersÂLee |
| C. | Alan Blumlein |
| D. | David Brewster |
| Answer» C. Alan Blumlein | |
| 81. |
Who was the invertor of frozen foods? |
| A. | Alfred Nobel |
| B. | Clarence Birdseye |
| C. | Frank Whittle |
| D. | Ives McGaffey |
| Answer» C. Frank Whittle | |
| 82. |
Who pioneered diagnostic ultrasound? |
| A. | Alexander Fleming |
| B. | Ian Donald |
| C. | A. Laveran |
| D. | Robert Koch |
| Answer» C. A. Laveran | |
| 83. |
Who is the inventor of  printing press? |
| A. | Johann Gutenberg |
| B. | William Lee |
| C. | George Eastman |
| D. | R.W Thomson |
| Answer» B. William Lee | |
| 84. |
Who is the inventor of railway engine? |
| A. | George Stephenson |
| B. | W.H.F Tablot |
| C. | Richard Trevithik |
| D. | Eli Whitney |
| Answer» D. Eli Whitney | |
| 85. |
Who is the english physicist responsible for the "Big Bang Theory"? |
| A. | Albert Einstein |
| B. | Michael Skube |
| C. | George Gamow |
| D. | Roger Penrose |
| Answer» D. Roger Penrose | |
| 86. |
Who is often called the 'first African-American' inventor? |
| A. | Bessie Blount |
| B. | George Washington Carver |
| C. | Benjamin Banneker |
| D. | Elijah McCoy |
| Answer» D. Elijah McCoy | |
| 87. |
Who is known as inventor of World Wide Standard Time ? |
| A. | Sandford Fleming |
| B. | Fredrich |
| C. | Williamson |
| D. | James Broot |
| Answer» B. Fredrich | |
| 88. |
Who invented waterproof fabrics ? |
| A. | James Dewar |
| B. | Charles Goodyear |
| C. | Mary Moore |
| D. | Charles Macintosh |
| Answer» E. | |
| 89. |
Who Invented Worldwide Standard Time Zones ? |
| A. | Charles Richard Drew |
| B. | Henry W. Seely |
| C. | Jesse Wilford Reno |
| D. | Sir Sandford Fleming |
| Answer» E. | |
| 90. |
Who Invented water turbine? |
| A. | Enrico Fermi |
| B. | Adolf Gaston Eugen Fick |
| C. | Sandford Fleming |
| D. | Benoit Fourneyron |
| Answer» E. | |
| 91. |
Who invented Vacuum Flask? |
| A. | Charles Babbage |
| B. | Alexander Fleming |
| C. | Gregory Pincus |
| D. | James Dewar |
| Answer» E. | |
| 92. |
Who Invented Universal Standard Time? |
| A. | Enrico Fermi |
| B. | Adolf Gaston Eugen Fick |
| C. | Sandford Fleming |
| D. | Benoit Fourneyron |
| Answer» D. Benoit Fourneyron | |
| 93. |
Who Invented Traffic Signal ? |
| A. | Lewis Edson Waterman |
| B. | Levi Strauss |
| C. | Percy LeBaron Spencer |
| D. | Garrett Augustus Morgan |
| Answer» E. | |
| 94. |
Who Invented The World Wide Web ? |
| A. | Sir Timothy John |
| B. | Earle Dickson |
| C. | James Rineose |
| D. | Laszlo Jozsef Biro |
| Answer» B. Earle Dickson | |
| 95. |
Who invented the waterproof raincoat? |
| A. | Robert Hooke |
| B. | Cai Lun |
| C. | Charles Macintosh |
| D. | William Harvey |
| Answer» D. William Harvey | |
| 96. |
Who invented the vacuum pump? |
| A. | Otto von Guericke |
| B. | Cai Lun |
| C. | Melitta Bentz |
| D. | William Henry Fox Talbot |
| Answer» B. Cai Lun | |
| 97. |
Who invented the thermos flask? |
| A. | Ray Tomlinson |
| B. | Tim Berners-Lee |
| C. | William Cullen |
| D. | James Dewar |
| Answer» E. | |
| 98. |
Who invented the pendulum clock? |
| A. | Galileo Galilei |
| B. | Christiaan Huygens |
| C. | Frederick Jones |
| D. | Davidson |
| Answer» C. Frederick Jones | |
| 99. |
Who Invented the nuclear reactor? |
| A. | Enrico Fermi |
| B. | Adolf Gaston Eugen Fick |
| C. | Sandford Fleming |
| D. | Benoit Fourneyron |
| Answer» B. Adolf Gaston Eugen Fick | |
| 100. |
Who invented the mouse of a computer? |
| A. | John Backus |
| B. | Charles Babbage |
| C. | Douglas Engelbart |
| D. | Simon Colton |
| Answer» D. Simon Colton | |