Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Who discovered television?

A. Michael Faraday
B. Joseph Henry
C. Abbe Caselli
D. John Baird
Answer» E.
2.

Who discovered the colour photography?

A. Robert Noyce
B. Enrico Fermi
C. John Logie Baird
D. James Clerk Maxwell
Answer» E.
3.

Who discovered Sodium?

A. Humphry Davy
B. William Henry Fox
C. J.J.Thomson
D. Karl Benz
Answer» B. William Henry Fox
4.

Who discovered radioactivity?

A. Max Planck
B. James Clerk Maxwell
C. Henri Becquerel
D. Heinrich Hertz
Answer» D. Heinrich Hertz
5.

Who discovered Proton?

A. Ernest Rutherford
B. Friedrich Miescher
C. Henri Becquerel
D. Henry Cavendish
Answer» B. Friedrich Miescher
6.

Who discovered Oxygen?

A. Carl Scheele
B. Hooke
C. Heisenberg
D. Williams
Answer» B. Hooke
7.

Who discovered Photon?

A. George Crum
B. Albert Einstein
C. Henry Cavendish
D. Humphry Davy
Answer» C. Henry Cavendish
8.

Who discovered Potassium?

A. Humphry Davy
B. Alan Turing
C. Bill Gates
D. Tim Berners-Lee
Answer» B. Alan Turing
9.

Who discovered Penicillin?

A. Edward Jenner
B. Niels Bohr
C. Sir Alexander Fleming
D. Heinrich Hertz
Answer» D. Heinrich Hertz
10.

Who discovered Neon?

A. Robert Noyce
B. Enrico Fermi
C. Morris W. Travers and William Ramsay
D. Antonio de Ulloa and Charles Wood
Answer» D. Antonio de Ulloa and Charles Wood
11.

Who discovered Insulin

A. William Harvey
B. Louis Pasteur
C. F.G.Banting
D. Alexander Fleming
Answer» E.
12.

Who discovered malaria causing germs?

A. Christiaan Bernard
B. Charles Louis Alphonse Laveran
C. Dmitry Ivanovsky
D. Martinus William Beijerinck
Answer» C. Dmitry Ivanovsky
13.

Who discovered Insulin?

A. Sir Alexander Fleming
B. Frederick Banting
C. James Watt
D. Sir F.G. Hopkins
Answer» C. James Watt
14.

Who discovered Fullerene (an allotrope of carbon)?

A. K Scheele
B. Richard Smalley
C. Faraday
D. Heisenberg
Answer» C. Faraday
15.

Who discovered Circulatory System?

A. Thomas Edison
B. William Harvey
C. Robert Hooke
D. Robert Boyles
Answer» C. Robert Hooke
16.

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
Answer» C. William Henry Fox Talbot
17.

Who discovered electron?

A. E. Goldstien
B. J. J. Thomson
C. Ernest Rutherford
D. J. Chadwick
Answer» C. Ernest Rutherford
18.

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
Answer» B. John W Mauchly and Joseph M Jacquard
19.

Who discovered benzene?

A. Hal Anger
B. Michael Faraday
C. Bruce Ames
D. Nicolas Appert
Answer» C. Bruce Ames
20.

Who discovered bacteria?

A. Antonie Ven Leeuwenhoek
B. Robert Brown
C. Robert Hook
D. Robert Koch
Answer» B. Robert Brown
21.

Who developed the theory of relativity?

A. Issac Newton
B. Charles Darwin
C. Marie Curie
D. Albert Einstein
Answer» E.
22.

Who among the following scientists invented Kevlar?_x005F_x000D_

A. Steve Wozniak
B. Marry Anderson
C. Stephanie Louise Kwolek
D. George Eastman
Answer» D. George Eastman
23.

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
Answer» C. Edward Jenner
24.

Who among the following discovered electron?

A. J.J Thomson
B. Max Born
C. Antoine Lavoisier
D. Mendeleef
Answer» B. Max Born
25.

Which scientist discovered the radioactive element radium?

A. Isaac Newton
B. Marie Curie
C. Benjamin Franklin
D. None of these
Answer» C. Benjamin Franklin
26.

Which of the following was invented by Sir Humphry Davy?

A. Safety Pin
B. Steam Engine
C. Safety Lamp
D. X-Rays
Answer» D. X-Rays
27.

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

A. Washing machine
B. Electric mixer
C. Vacuum cleaner
D. Blender
Answer» D. Blender
28.

Which of the numbers given below is NOT rational?_x005F_x000D_

A. 324
B. 643
C. 325
D. 273
Answer» B. 643
29.

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

A. Calculus
B. Logic
C. Algebra
D. Geometry
Answer» B. Logic
30.

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

A. Penicillin
B. Prontosil
C. Streptomycin
D. Tetracyline
Answer» B. Prontosil
31.

Which is an invention that improved safety for railway passengers?

A. Air brakes
B. Refrigerated rail cars
C. Time standardization
D. Pullman sleeping cars
Answer» B. Refrigerated rail cars
32.

Which famous scientist unknowingly founded the field of spectroscopy?

A. Issac Newton
B. Galileo
C. Graham Bell
D. None of the above
Answer» B. Galileo
33.

Which does NOT belong to this group?_x005F_x000D_ A. Switch_x005F_x000D_ B. Bulb_x005F_x000D_ C. Filament_x005F_x000D_ D. Rope_x005F_x000D_

A. A
B. D
C. B
D. C
Answer» C. B
34.

Which dynasty had its capital at Chittorgarh?

A. Chauhan
B. Sisodia
C. Hada
D. Rathor
Answer» C. Hada
35.

Where was paper invented?

A. China
B. India
C. Zambia
D. Germany
Answer» B. India
36.

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
Answer» B. Colombia
37.

Where were wigs first invented?

A. Japan
B. France
C. Egypt
D. China
Answer» D. China
38.

When were blue jeans invented?

A. 1900s
B. 1850s
C. 1860s
D. 1870s
Answer» D. 1870s
39.

What was invented by Zacharias Jansen?

A. Jet Engine
B. Radium
C. Microscope
D. Electric Lamp
Answer» D. Electric Lamp
40.

When was Barb Wire patented

A. 1898
B. 1868
C. 1874
D. 1866
Answer» D. 1866
41.

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
Answer» D. A huge Dinosaur Skeleton
42.

When was the voting machine invented?

A. 1980
B. 1892
C. 1989
D. 1920
Answer» C. 1989
43.

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
Answer» C. Rosalind Franklin and Francis Crick
44.

What Thomas Davenport invented?

A. Screw propellor
B. Electric streetcar
C. Chesterfield
D. Sleeping (railway) car
Answer» B. Electric streetcar
45.

What was invented by J. B. Dunlop?

A. Airplane
B. Car
C. Rubber Tyre
D. Rubber Boot
Answer» C. Rubber Tyre
46.

What J. B. Dunlop invented?

A. Pneumatic rubber tire
B. Automobile wheel rim
C. Rubber boot
D. Model airplanes
Answer» B. Automobile wheel rim
47.

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
Answer» B. Drishti
48.

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
Answer» D. Ping Pong
49.

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
Answer» D. Hammock
50.

What Frank Whittle invented?

A. Radar
B. Ethyl gasoline
C. Sonar
D. Jet propulsion
Answer» E.