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.

Which quantity is derived from Ohm's law?

A. of electric current
B. of resistance
C. of potential difference
D. of electrical capacitance
Answer» C. of potential difference
2.

Artificial splitting of molecules was discovered by?

A. by dalton
B. by Fermi
C. by rutherford
D. by madam curie
Answer» C. by rutherford
3.

Who was the inventor of mercury thermometer?

A. edison
B. Fahrenheit
C. galileo
D. hicks
Answer» C. galileo
4.

Which of the following scientist discovered the principles of inheritance?

A. by Darwin
B. Mendel
C. DeVries
D. by Lamarck
Answer» C. DeVries
5.

What is the unit of light year?

A. of time
B. of light intensity
C. of distance
D. none of these
Answer» D. none of these
6.

Who invented the smallpox vaccine?

A. Priestley
B. ruffetin
C. edward jenner
D. Lloyd
Answer» D. Lloyd
7.

Atohan is related to which invention?

A. Artificial radioactivity
B. nuclear fusion
C. Nuclear fission
D. relativistic theory
Answer» D. relativistic theory
8.

Who invented the miners safety lamp?

A. edison
B. Humphrey Davy
C. Richard Arkwright
D. faraday
Answer» C. Richard Arkwright
9.

What is the unit of Volt?

A. of electric current
B. of resistance
C. of potential difference
D. of specific resistance
Answer» D. of specific resistance
10.

Who Invented the Fountain Pan?

A. Waterman
B. Gillette
C. faraday
D. lead steiner
Answer» B. Gillette
11.

Who invented the electronic computer?

A. pascal
B. J. P. Eckert
C. Charles Babbage
D. Calyder. The rest
Answer» C. Charles Babbage
12.

Who invented the writing system for the blind to read?

A. madam curie
B. Einstein
C. louis braille
D. Archimedes
Answer» D. Archimedes
13.

Who discovered the theory of relativity?

A. Einstein
B. edison
C. Khurana
D. newton
Answer» B. edison
14.

Who invented the printing press?

A. William Caxton
B. Robert Watson
C. by roentgen
D. Karl Benz
Answer» B. Robert Watson
15.

Who invented X-Rays?

A. by rutherford
B. Newton
C. by roentgen
D. by Baird
Answer» D. by Baird
16.

What is the unit of power?

A. newton
B. Wait
C. joule
D. none of these
Answer» D. none of these
17.

Who discovered 'Streptomycin'?

A. Waxman
B. rutherford
C. Bushwell
D. none of these
Answer» B. rutherford
18.

Who invented the space telescope?

A. galileo
B. village bull
C. caplar
D. none of the above
Answer» E.
19.

Who invented the bulb?

A. by rutherford
B. Fleming
C. by edison
D. ohm ne
Answer» D. ohm ne
20.

Ptolemy's theory of the earth is that?

A. Earth is the center of the universe and the sun revolves around it
B. The Earth is not the center of the universe and the Sun does not revolve around it
C. Earth rotates as well as rotates
D. Earth is a satellite of the Sun
Answer» B. The Earth is not the center of the universe and the Sun does not revolve around it
21.

What is an instrument to measure atmospheric pressure?

A. barometer
B. Periscope
C. hydrometer
D. thermometer
Answer» B. Periscope
22.

Who invented insulin?

A. ijkman
B. Betting
C. Domagk
D. H. G. Khurana
Answer» C. Domagk
23.

Which instrument is used to measure the purity of milk?

A. Lactometer
B. manometer
C. pyrometer
D. tachometer
Answer» B. manometer
24.

Which of the following is the softest?

A. alum
B. Diamond
C. Terrylium
D. topaz
Answer» C. Terrylium
25.

Who discovered the atom bomb?

A. Atohan has
B. by Albert Einstein
C. by Kepler
D. by rutherford
Answer» B. by Albert Einstein
26.

What determines the nature of the path traveled by a particle?

A. by acceleration
B. with speed
C. by displacement
D. none of the above
Answer» E.
27.

What do players use for instant power?

A. sucrose
B. vitamin C
C. Salt
D. Milk
Answer» B. vitamin C
28.

Which gas is used to ripen fruits unnaturally?

A. ethylene
B. ethane
C. Carbon dioxide
D. acetylene
Answer» B. ethane
29.

Which of the following is a non-conserving force?

A. force of gravity
B. force of viscosity
C. inter atomic force
D. electrostatic force
Answer» C. inter atomic force
30.

Who among the following is the inventor of Dynamite?

A. Einstein
B. newton
C. Alfred Nobel
D. madame curie
Answer» D. madame curie
31.

Which of the following elements forms a strong basic oxide when burnt in oxygen?

A. Phosphorus
B. sodium
C. iron
D. sulfur
Answer» C. iron
32.

The Richter Scale is used to measure what?

A. earthquake intensity
B. wind speed
C. sea ​​depth
D. body temperature
Answer» B. wind speed
33.

Is it Fathom?

A. there is a fish
B. a plant name
C. a pot is called
D. a measure
Answer» E.
34.

Which of the following is not a fuel gas?

A. Water gas
B. Producer gas
C. Laughing gas
D. Marsh gas
Answer» D. Marsh gas
35.

How vegetable oils are converted into ghee?

A. Heat Treatment
B. by hydrogenation
C. by oxygen
D. Enzymes
Answer» C. by oxygen
36.

Insulin was discovered by?

A. by banting
B. by domac
C. By Ronald Ross
D. Harvey has
Answer» B. by domac
37.

Does iron get rusted?

A. from ferric oxide
B. from hydrated ferrous and ferric oxide
C. from alkaline ferrous and ferric carbonate
D. due to all of the above
Answer» E.
38.

Which substance remains dissolved in tears?

A. common salt
B. Sea
C. starch
D. Glucose
Answer» B. Sea
39.

Splitting of glucose relates to

A. summer
B. photorespiration
C. glycolysis
D. pyruvic acid
Answer» D. pyruvic acid
40.

Villi and microvilli increase

A. respiration
B. assimilation
C. absorption
D. ingestion
Answer» D. ingestion
41.

The normal pH of human blood is

A. 6.4
B. 7
C. 7.4
D. 7.5
Answer» D. 7.5
42.

Shrinkage of protoplast due to exosmosis of water is

A. imbibition
B. plasmolysis
C. deplasmolysis
D. adhesion
Answer» C. deplasmolysis
43.

Water potential of pure water is

A. zero
B. one
C. negative
D. two
Answer» B. one
44.

The respiratory problem most common in smokers is

A. tuberculosis
B. emphysema
C. asthma
D. cancer
Answer» C. asthma
45.

Artherosclerosis is a major condition leading to

A. heart attack
B. hypertension
C. stroke
D. tumor
Answer» B. hypertension
46.

Bean shaped cells in plants are

A. mesophyll cells
B. xylem cells
C. phloem cells
D. guard cells
Answer» E.
47.

Earthworm lives in

A. placenta
B. moist soil
C. fresh water
D. none of these
Answer» C. fresh water
48.

Rich source of energy in seimen is

A. glucose
B. fructose
C. lactose
D. sacrose
Answer» B. fructose
49.

The foetus is protected from the mechanical damage by the

A. cervix
B. vagina
C. uterus
D. amniotic fluid
Answer» E.
50.

Kangaroo has an abdominal pouch known as

A. ingestion
B. guttural pouch
C. marsupial
D. all of these
Answer» D. all of these