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 alloy consists of copper and tin?

A. Talonite
B. Megallium
C. Ferroboron
D. Bronze
Answer» E.
2.

Which physical quantities are measured by torr?

A. Pressure
B. Lens optical power
C. Energy
D. Force
Answer» B. Lens optical power
3.

Which of the following converts Electrical energy into mechanical energy?

A. Electrical motor
B. Generator
C. Microphone
D. Oil engine
Answer» B. Generator
4.

What type of quantityWorkis ?

A. Conservative field
B. Path
C. Scalar
D. Joule
Answer» D. Joule
5.

What is the work done along a closed path ?

A. Maximum
B. Minimum
C. Zero
D. Variable
Answer» D. Variable
6.

Who had showed that the electric and magnetic waves are equal in vacuum?

A. Werner Heisenberg
B. Clerk Maxwell
C. Isaac Newton
D. Albert Einstein
Answer» C. Isaac Newton
7.

What does the solar system signify?

A. conservation of energy
B. conservation of linear momentum
C. None of these.
D. conservation of angular momentum
Answer» E.
8.

What is the state of a body if the slope of a velocity - time graph gradually decreases?

A. Positive acceleration
B. None
C. Uniform velocity
D. Negative acceleration
Answer» E.
9.

What was the first discovered subatomic particle ?

A. Electron
B. Neutron
C. Meson
D. Proton
Answer» B. Neutron
10.

Which of the following is an important ore of chromium ?

A. None of these
B. Granite
C. Chromite
D. Igneous
Answer» D. Igneous
11.

What is SI unit of angular displacement ?

A. Meter
B. Radian
C. Steradian
D. Degree
Answer» C. Steradian
12.

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is ___________

A. Krypton
B. Argon
C. Xenon
D. Helium
Answer» E.
13.

What does the span of broad jump depends ?

A. All of these
B. Mass of the jumper
C. Angle of projection
D. Height of the jumper
Answer» E.
14.

A chronometer measures ___________

A. colour contrast
B. sound waves
C. water waves
D. time
Answer» E.
15.

Who gave the Photoelectric effect ?

A. Pascal
B. Einstein
C. Plank
D. Hertz
Answer» C. Plank
16.

Which physical quantities are measured by guess?

A. Energy
B. Magnetic flux
C. Lens optical power
D. Magneto motive force
Answer» C. Lens optical power
17.

What is the velocity needed to get rid off earths gravitational field called ?

A. Escape Velocity
B. Non-Conventional
C. Watt
D. Earth
Answer» B. Non-Conventional
18.

What is the state of the body if a body is rotating with uniform angular velocity ?

A. None of the above
B. Linear equilibrium
C. dynamical equilibrium
D. equilibrium
Answer» D. equilibrium
19.

What is the force required to bend a straight-line path of a body into the circular path called?

A. None of these
B. Centripetal force
C. Ballistic force
D. Centrifugal force
Answer» C. Ballistic force
20.

Which one of the following is not an amorphous substance?

A. Glass
B. Polymer
C. Copper
D. Rubber
Answer» D. Rubber
21.

What is the phenomenon of passing of waves from one medium into another medium called?

A. Reflection
B. Refraction
C. Diffraction
D. Transmission
Answer» C. Diffraction
22.

What is Ascorbic acid ?

A. Vitamin B
B. Vitamin A
C. Vitamin D
D. Vitamin C
Answer» E.
23.

Why laser is used in the pipe alignment?

A. None of the above
B. They are coherent
C. They are directional in nature
D. They are monochromatic
Answer» D. They are monochromatic
24.

What is an instrument with horizontal and vertical scales used to measure angles in land survey?

A. chromium sulphate
B. Plaster of Paris
C. potassium hydroxide
D. Caustic potash
Answer» C. potassium hydroxide
25.

Why during wind storm, the roofs of houses covered with GI Sheets may be blown off ?

A. None of the above
B. wind creates high pressure over the roof
C. wind creates low pressure over the roof
D. roofs are not tightly bound
Answer» D. roofs are not tightly bound
26.

What does the density of human blood nearly equals ?

A. Honey
B. Kerosene oil
C. Mercury
D. water
Answer» E.
27.

Why hairs of a shaving brush cling together when the brush is removed from water?

A. surface tension
B. viscosity
C. elasticity
D. friction
Answer» B. viscosity
28.

How is the value ofgaffected If we move from equator to pole ?

A. first increases then decreases
B. decreases
C. increases
D. remains same
Answer» D. remains same
29.

What is necessary for the interference of light waves by the beams of light ?

A. Monochromatic
B. Monochromatic and coherent
C. Gamma Rays
D. coherent
Answer» C. Gamma Rays
30.

What type of work is done by friction ?

A. Anti-parallel
B. Parallel
C. Negative
D. Positive
Answer» D. Positive
31.

What is the Time period of simple pendulum independent of?

A. Mass
B. Motion
C. Speed
D. Direction
Answer» B. Motion
32.

How much distance a body covers In one complete vibration ?

A. Remain same
B. times of amplitude
C. 3 times of amplitude
D. 4 times of amplitude
Answer» E.
33.

What does polarization of light prove?

A. very fast moving waves
B. Electromagnetic waves
C. Transverse waves
D. Longitudinal waves
Answer» D. Longitudinal waves
34.

Which of the following is an example of non-conservative force ?

A. Frictional Force
B. Gravitational Force
C. Magnetic Force
D. Electric Force
Answer» B. Gravitational Force
35.

Why colour of sky is blue?

A. scattering
B. reflection
C. refraction
D. dispersion
Answer» E.
36.

What does a microwave oven generate?

A. High frequency waves
B. Low amplitude waves
C. High amplitude waves
D. Low frequency waves
Answer» B. Low amplitude waves
37.

Which one among the following rays has minimum wavelength?

A. Cosmic rays
B. Gamma rays
C. Ultra-violet rays
D. X- rays
Answer» C. Ultra-violet rays
38.

What is basis Optical fiber used in communication ?

A. refraction
B. less absorption coefficient
C. less scattering
D. total internal reflection
Answer» E.
39.

How athelete running effects during long jump ?

A. Decreases his inertia
B. Increases his momentum
C. provide him large inertia
D. Decreases his momentum
Answer» C. provide him large inertia
40.

What is the closed path taken for computation of magnetic flux density referred?

A. Amperean path
B. Gaussian path
C. Lorentzean path
D. Conservative path
Answer» B. Gaussian path
41.

When does a Magnetic material loses their magnetic properties ?

A. dipped in oil
B. Dipped in water
C. Brought near a piece of iron
D. Heated
Answer» E.
42.

What is the device which converts heat into electrical energy ?

A. Battery
B. cell
C. Thermo-couples
D. Solar cell
Answer» D. Solar cell
43.

When a body moves along a straight line then distance and displacement?

A. Have same effect
B. Coincident
C. Both have different effect
D. Cancel each other
Answer» C. Both have different effect
44.

Which one of the following forces lead to separation of the cream from the churned milk?

A. Gravitational force
B. Cohesive force
C. Centrifugal force
D. Centripetal force
Answer» D. Centripetal force
45.

What is the principle of post office box which is a device for measuring resistant ?

A. potentionmeter
B. meter bridge
C. galvanometer
D. ohm meter
Answer» C. galvanometer
46.

Which of the following is a source of magnetic field ?

A. An isolated north pole
B. A current loop
C. An isolated south pole
D. A static electric charge
Answer» C. An isolated south pole
47.

What are Characteristics of an ideal fluid ?

A. All of these
B. It is incompressible
C. it is non-viscous
D. It motion is steady
Answer» B. It is incompressible
48.

Why are Insects able to run on the surface of water?

A. Insects have less weight
B. Insects can swim on water
C. surface tension makes the surface behave as an elastic membrane.
D. of the Archimedes upthrust
Answer» D. of the Archimedes upthrust
49.

Which one among the following radiations carries maximum energy?

A. Radio waves
B. Infrared
C. Microwave
D. UV-rays
Answer» E.
50.

Isotopes are separated by ___________

A. filtration
B. crystallisation
C. sublimation
D. distillation
Answer» E.