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.

Heat gain makes the ice to

A. freeze
B. evaporate
C. melt
D. dissolve
Answer» D. dissolve
2.

Burnt sparklers and burnt books pages are examples of

A. reversible
B. irreversible
C. same
D. constant
Answer» C. same
3.

The gas release on mixing fruits salt with water is

A. oxygen
B. nitrogen
C. carbonmono oxide
D. carbon dioxide
Answer» E.
4.

Raw egg is completely different in shape, color, taste, smell from

A. boiled egg
B. fried egg
C. both a and b
D. organic egg
Answer» D. organic egg
5.

Connecting too many batteries can lead to

A. overheating
B. burning of wires
C. burning of bulb
D. all of them
Answer» E.
6.

Connecting the wires to mains can lead to

A. kill
B. fair investigation
C. glowing bulb
D. huge discoveries
Answer» B. fair investigation
7.

Shorter line on battery symbol represents the

A. negative terminal
B. positive terminal
C. resistance
D. friction
Answer» B. positive terminal
8.

Electric current can flow through

A. open circuit
B. closed circuit
C. both circuits
D. magnetic field
Answer» C. both circuits
9.

When the circuit is open the current will

A. not flow
B. flow
C. increase
D. decrease
Answer» B. flow
10.

Person with hand foot and mouth diseases have spots in hand, foot and mouth called

A. corns
B. warts
C. zits
D. blisters
Answer» E.
11.

Diarrhea, vomiting and sever abdominal cramps shows their sign in

A. food poisoning
B. constipation
C. heart diseases
D. muscle cramps
Answer» B. constipation
12.

Plasmodium is found in

A. all mosquitoes
B. female anopheles
C. Aedes mosquito
D. white mosquito
Answer» C. Aedes mosquito
13.

Microorganisms also help in production of food like

A. bread
B. fruits and seeds
C. vegetables
D. pulses
Answer» B. fruits and seeds
14.

BCG vaccination can prevent

A. cholera
B. tuberculosis
C. hepatitis
D. HIV
Answer» C. hepatitis
15.

Communications are made a lot more easier by

A. horses
B. pigeons
C. mobile phones
D. electricity
Answer» D. electricity
16.

When you are mixing or heating up the chemicals always wear

A. gloves
B. goggles
C. both a and b
D. jogging shoes
Answer» D. jogging shoes
17.

Human senses are very limited as well as not reliable hence instruments are used like

A. thermometers
B. microscopes
C. telescopes
D. all of them
Answer» E.
18.

A skill which draws conclusions from observation or information gathered is called

A. processes
B. inferring
C. communication
D. analysis
Answer» C. communication
19.

Earthquake cannot be stopped or prevented by

A. science
B. technology
C. both a and b
D. GOD
Answer» D. GOD
20.

A single system on which all scientists all over the world agree for units of measurement is called

A. SI units
B. International System of Units
C. both a and b
D. universal system
Answer» D. universal system
21.

The standard unit of time according to SI system is

A. minute
B. second
C. hour
D. day
Answer» C. hour
22.

In SI system the unit of area is

A. meter
B. square
C. meter square
D. meter cube
Answer» D. meter cube
23.

An instrument which gives a level of high accuracy than mechanical watch is

A. electronic stopwatch
B. stop clock
C. pendulum clock
D. hour glass
Answer» B. stop clock
24.

Substances which larger masses are usually measured in

A. kilograms
B. grams
C. tones
D. metric tones
Answer» E.
25.

The up thrust and weight act in

A. same direction
B. opposite direction
C. upward
D. downward
Answer» C. upward
26.

The force of 'lift' on aero plane acts upwards in direction of weight of plane which pulls it

A. upward
B. downward
C. foreword
D. backward
Answer» C. foreword
27.

Friction acts in opposite direction and it can affect an object to

A. slow down
B. stop
C. both a and b
D. speed up
Answer» D. speed up
28.

A person from parachute falls slowly to ground due to

A. thrust
B. air resistance
C. friction
D. air friction
Answer» C. friction
29.

Gravitational force is influenced by object's

A. weight
B. shape
C. size
D. color
Answer» B. shape
30.

Soluble solid cannot be separated from

A. solution
B. mixture
C. both a and b
D. heating
Answer» D. heating
31.

Tea leaves can be separated from tea by

A. heating
B. filtering
C. sieving
D. reacting
Answer» D. reacting
32.

Talc powder can be separated from a solution by using

A. filter paper in a funnel
B. heating
C. sieve
D. evaporation technique
Answer» B. heating
33.

During filtration of water and talc powder solution the remaining solid on filter paper is called

A. residue
B. filtrate
C. solvent
D. solute
Answer» B. filtrate
34.

When a solution is heated the water evaporates and solute

A. evaporates too
B. left as residue
C. disappear
D. condense
Answer» C. disappear
35.

The frictional force which is acting on an object when it moves through air is called

A. thrust
B. up thrust
C. drag
D. Air resistance
Answer» E.
36.

A stone stays less heavy in water than in

A. mud
B. soil
C. air
D. desert
Answer» D. desert
37.

Moon has less

A. gravitational force
B. light
C. air
D. gases
Answer» B. light
38.

A force applied on an object can change its

A. shape
B. volume
C. size
D. color
Answer» B. volume
39.

If you leave a ball on slanting surface due to gravity it will move

A. down the slope
B. upwards
C. up the slope
D. constantly stationary
Answer» B. upwards
40.

Temperature, air, water and mineral content are effected by type of

A. seed
B. plant
C. roots
D. soil
Answer» E.
41.

The food prepared by plants is energy source for

A. animals
B. insects
C. humans
D. all of these
Answer» E.
42.

The singular word for stomata is

A. stomata
B. stomata's
C. stoma
D. stomas
Answer» D. stomas
43.

There is a great influence of soil on plants

A. growth
B. development
C. both a and b
D. reproduction
Answer» D. reproduction
44.

Our garden contains a soil called

A. humus
B. loam
C. clay
D. compost
Answer» C. clay
45.

The layer that blocks the ultraviolet (UV) rays from the sun is

A. top layer
B. inner layer
C. ozone layer
D. outer
Answer» D. outer
46.

Ammonia is used to make compounds such as

A. ammonium sulfate
B. ammonium nitrate
C. all of these
D. nitric acid
Answer» D. nitric acid
47.

The condensation point of oxygen gas is

A. −113 °C
B. −133 °C
C. −183 °C
D. −143 °C
Answer» D. −143 °C
48.

Air is a mixture that makes up the

A. season
B. atmosphere
C. clouds
D. temperature
Answer» C. clouds
49.

Intake of carbon dioxide and giving out of oxygen is the only process named

A. photosynthesis
B. respiration
C. rusting
D. excretion
Answer» B. respiration
50.

When mammals are downside of water their blowholes are closed by

A. muscles
B. bones
C. cartilages
D. tendons
Answer» B. bones