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.

Aeroplane was invented in the year

A. 1945
B. 1901
C. 1917
D. 1903
Answer» E.
Discussion
2.

The four blood groups were discovered by

A. Emil kraepelin
B. Frederick soddy
C. Francis galton
D. Trofim lysenko
Answer» C. Francis galton
Discussion
3.

What famous scientist and inventor participated in the invention of the Aqua-Lung?

A. Isaac newton
B. Thomas edison
C. Jacques cousteau
D. Leonardo da vinci
Answer» D. Leonardo da vinci
Discussion
4.

QWERTY design type writers and computers keyboards is invented by

A. Christopher sholes
B. Charles goodyear
C. William's carrier
D. Charles perkins
Answer» B. Charles goodyear
Discussion
5.

Printing press is invented in

A. 1960
B. 1950
C. 1920
D. 1940
Answer» E.
Discussion
6.

Scientists who have provided basis for inventing Circuit Breaker are

A. Joseph henry
B. Michael faraday
C. Both (a) and (b)
D. None of these
Answer» D. None of these
Discussion
7.

First solar cell was invented in 1883 by

A. Jefferson fritts
B. George fritts
C. Fornster fritts
D. Charles fritts
Answer» E.
Discussion
8.

Gun powder was invented in 9th century in

A. Ming dynasty china
B. Tang dynasty china
C. Yuan dynasty china
D. Song dynasty china
Answer» C. Yuan dynasty china
Discussion
9.

The nuclear reactor was invented by

A. Eduard jenner
B. Albert einstein torricelli
C. Enrico ferni
D. Alexander fleming
Answer» D. Alexander fleming
Discussion
10.

The Solar System was discoverd by

A. Copernicus
B. Galleleo
C. Finsen
D. None of these
Answer» B. Galleleo
Discussion
11.

Which one of the following was to be discovered first in the chromosphere of the sun

A. Neon
B. Helium
C. Krypton
D. Xenon
Answer» C. Krypton
Discussion
12.

Streptomycin was invented by

A. Marie curie
B. Fleming
C. Walksman
D. None of these
Answer» D. None of these
Discussion
13.

Lift was invented by

A. Domagk
B. Lee de forest
C. Otis
D. None of these
Answer» D. None of these
Discussion
14.

Bicycle was invented by

A. Eijkman
B. Macmillan
C. Alexanderson
D. None of these
Answer» C. Alexanderson
Discussion
15.

Simpson and Harrison are associated with the invention of

A. Perfume
B. Boson
C. Balloon
D. Chloroform
Answer» E.
Discussion
16.

Homoeography was invented by

A. Hahneman
B. Cockrell
C. Lipman
D. None of these
Answer» B. Cockrell
Discussion
17.

The steam engine was invented by

A. James watt
B. Sir joseph swann
C. William stockes
D. J.e. lundstrom
Answer» B. Sir joseph swann
Discussion
18.

Cholera Bascillus was invented by

A. Robert koch
B. Hoffman
C. Dunlop
D. Joseph lister
Answer» B. Hoffman
Discussion
19.

Vulcanized rubber was invented by

A. Charles perkins
B. Charles goodyear
C. Charles gorrie
D. Charles grafton page
Answer» C. Charles gorrie
Discussion
20.

Nuclear power was used for first time to produce electricity in

A. 1907
B. 1923
C. 1967
D. 1951
Answer» E.
Discussion
21.

Safety Razor

A. Rudolf diesel
B. John logie baird
C. King c. gillette
D. Charles goodyear
Answer» D. Charles goodyear
Discussion
22.

First electric DC motor was invented by

A. George stephenson
B. Frank julian sprague
C. Percy spencer
D. None of these
Answer» C. Percy spencer
Discussion
23.

In which decade did television become widely available around the world?

A. 1940s
B. 1950s
C. 1960s
D. 1970s
Answer» C. 1960s
Discussion
24.

Printing press was invented by

A. Johannes gutengerg
B. Mary anderson
C. Victor adler
D. George antheil
Answer» B. Mary anderson
Discussion
25.

Internet protocol suite which created basis for modern internet was developed by

A. Floyd farris and j.b. clark
B. Lisa meitner and george stephenson
C. Jack kilby and robert noyce
D. Vinton cerf and robert e. kahn
Answer» E.
Discussion
26.

Facebook was made in

A. 2004
B. 2006
C. 2008
D. 2010
Answer» B. 2006
Discussion
27.

Elevator

A. Elisha g. otis
B. Charles macintosh
C. Benjamin franklin
D. Sir alexander graham bell
Answer» B. Charles macintosh
Discussion
28.

Integrated circuit was co-crated in

A. 1948 1949
B. 1958-1959
C. 1935-1936
D. 1976-1977
Answer» C. 1935-1936
Discussion
29.

Electric motor was invented by

A. Oliver evans
B. Horace day
C. Michael faraday
D. Thomas edison
Answer» D. Thomas edison
Discussion
30.

Mail order cataloging, flexible urinary catherater, first pair of bifocals, wooden swim fins, lighting attractor and musical instrument 'Armonica' are inventions of

A. George whatley
B. Thomas jefferson
C. Oliver evans
D. Benjamin franklin
Answer» E.
Discussion
31.

Microwave oven was invented by

A. Raytheon
B. Percy spencer
C. Victor vacquier
D. George inman
Answer» B. Percy spencer
Discussion
32.

Atomic bomb was successfully developed by

A. India
B. China
C. United states
D. Russia
Answer» D. Russia
Discussion
33.

Inventor who invented vulcanized rubber that is made by mixing latex with sulphur and is then heated is

A. Charles goodyear
B. Charles gorrie
C. Charles perkins
D. Charles grafton page
Answer» B. Charles gorrie
Discussion
34.

Internet (initially "ARPAnet")-

A. Mary spaeth
B. George heilmeier
C. Leonard kleinrock
D. Ted hoff
Answer» D. Ted hoff
Discussion
35.

Who invented the diesel engine?

A. Bill diesel
B. Stan diesel
C. Danny diesel
D. Rudolf diesel
Answer» E.
Discussion
36.

Dynamite

A. John boyd dunlop
B. Alfred b. nobel
C. Benjamin franklin
D. Sir alexander graham bell
Answer» C. Benjamin franklin
Discussion
37.

FM radio was invented by

A. Edwin h. armstrong
B. Calvin southern fuller
C. Gerald pearson
D. Daryl chapin
Answer» B. Calvin southern fuller
Discussion
38.

World's first mechanical air conditioner was invented and manufacture by

A. Christopher shole
B. Charles perkins
C. Charles goodyear
D. William's carrier
Answer» E.
Discussion
39.

When were the first rockets launched?

A. 12th century
B. 13th century
C. 14th century
D. 15th century
Answer» C. 14th century
Discussion
40.

Microphone

A. Charles macintosh
B. Sir alexander graham bell
C. Fahrenheit
D. Michael faraday
Answer» C. Fahrenheit
Discussion
41.

First automobile powered by an internal combustion engine that is fuelled by hydrogen is invented in

A. 1807
B. 1817
C. 1827
D. 1837
Answer» B. 1817
Discussion
42.

Railroad locomotive was invented by

A. George stephenson
B. Fran
C. Victor vacquier
D. Percy spencer
Answer» B. Fran
Discussion
43.

Name of first personal computer controlled with a keyboard is

A. Intel 210
B. Ibm 800
C. Ibm 610
D. Hp 610
Answer» D. Hp 610
Discussion
44.

In what year was the ball bearing patented?

A. 1794
B. 1756
C. 1748
D. 1795
Answer» B. 1756
Discussion
45.

First car made with Teetor's cruise control method was the

A. Henry ford forks wagon
B. Chrysler imperial
C. Rolls royce
D. None of the above
Answer» C. Rolls royce
Discussion
46.

Inventor who invented first liquid fueled rocketry and is known as "father of modern rocketry" is

A. Dr. robbert h. goddard
B. Malcolm loughead
C. Charles fritts
D. George fritts
Answer» B. Malcolm loughead
Discussion
47.

Olympic sport Volleyball invented sport in 1895 by

A. Charles g. morgan
B. William g. morgan
C. Jefferson fritts
D. George fritts
Answer» C. Jefferson fritts
Discussion
48.

Silicones

A. William le baron jenney
B. Prof. f.s. kipping
C. William oughtred
D. J.c. perier
Answer» C. William oughtred
Discussion
49.

Rocket Engine was invented by-

A. Robert h. goddard
B. Charles macintosh
C. James harrison
D. Thomas hancock
Answer» B. Charles macintosh
Discussion
50.

Type of resistor with electrical resistance inversely proportional to its temperature is invented by

A. Samuel ruben
B. George ruben
C. George morgan
D. Samuel loughead
Answer» B. George ruben
Discussion