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.

Magnesium, calcium, phosphorus, sodium, potassium are some other elements found in

A. living organism
B. non-living
C. mountain
D. land
Answer» B. non-living
2.

An alloy contains at least one

A. bronze
B. metal
C. semi-solid
D. liquid
Answer» C. semi-solid
3.

Water can be separated from salt through

A. chromatography
B. distillation
C. evaporation
D. filtration
Answer» C. evaporation
4.

Skin allergy can be caused by the interaction of skin with

A. ectoparasite
B. camouflage
C. fungus
D. lichens
Answer» B. camouflage
5.

Animals that can get warm or cool according to their surroundings are known as

A. herbivores
B. carnivores
C. cold-blooded
D. warm-blooded
Answer» D. warm-blooded
6.

All animals have specific features, which helps them to stay in their

A. habitat
B. place
C. pond
D. area
Answer» B. place
7.

Lions are the only big cats that live in groups, their group is known as

A. group
B. herd
C. pride
D. cluster
Answer» D. cluster
8.

The ideal pH range for the soil is

A. 6 to 7.0
B. 6.5 to 7.0
C. 8.5 to 7.0
D. 6.5 to 8.0
Answer» C. 8.5 to 7.0
9.

Mammalians and birds are

A. carnivores
B. cold-blooded
C. warm-blooded
D. herbivores
Answer» D. herbivores
10.

An unusual and intimate underwater relationship is shared by hermit crab and

A. anemone
B. whelk
C. lobster
D. snail
Answer» B. whelk
11.

The equal distribution of sunlight over the earth depends on the rotation of earth and revolutions around

A. sun
B. moon
C. axis
D. none of them
Answer» B. moon
12.

Chicken pox is caused by

A. virus
B. bacteria
C. contaminated water
D. food poisoning
Answer» B. bacteria
13.

Plasmodium is spread by insect

A. ants
B. mosquito
C. both a and b
D. birds
Answer» C. both a and b
14.

Microorganisms get nutrients from

A. food
B. water
C. sunlight
D. heat
Answer» B. water
15.

A healthy body can fight against many

A. diseases
B. people
C. bad thoughts
D. animals
Answer» B. people
16.

Microorganisms which obtain their food by absorbing nutrients from their hosts are

A. parasites
B. virus
C. bacteria
D. euglena
Answer» B. virus
17.

Scientists estimated that about half of the population of plants are found in the

A. mountains
B. tropical rainforest
C. plains
D. desert
Answer» C. plains
18.

Many herbivores and microorganisms in digestive tracts practice

A. symbiosis
B. photosynthesis
C. parasitism
D. mutualism
Answer» E.
19.

Factor that provides basic nutrients for plants and contains roots is known as

A. climate
B. soil
C. light
D. water
Answer» C. light
20.

The organism that causes the ringworm is known as

A. algae
B. lichens
C. fungus
D. amoeba
Answer» D. amoeba
21.

Farmers tested the soil by tasting it. If the soil is sour in taste or has smell, the soil is

A. alkaline
B. acidic
C. bitter
D. salty
Answer» C. bitter
22.

The level of current passing will affect the bulb's

A. brightness
B. life
C. energy
D. force
Answer» B. life
23.

A very thin and sensitive membrane that plays an important part in converting the sound waves by vibrating is known as

A. canal
B. pinna
C. eardrum
D. cochlea
Answer» D. cochlea
24.

The people who see close images blurred but far objects are sharp in their vision, this situation is known as

A. refractive error
B. blur vision
C. farsighted
D. nearsighted
Answer» D. nearsighted
25.

The muscle that changes the shape and size of the pupil is known as

A. ciliary muscle
B. cornea
C. retina
D. sclerotic
Answer» B. cornea
26.

The organ that helps us in hearing and maintaining balance is known as

A. eyes
B. brain
C. ear
D. arteries
Answer» D. arteries
27.

Ear is an organ which is a part of

A. respiratory system
B. auditory system
C. digestive system
D. excretion system
Answer» C. digestive system
28.

A circuit in which there is more than one path through which electric current is flowing is called

A. parallel circuit
B. series circuit
C. multiple circuit
D. complex circuit
Answer» B. series circuit
29.

The brightness of bulb will be increased with the increase in number of

A. bulbs
B. batteries
C. circuits
D. switches
Answer» C. circuits
30.

A continuous or unbroken path of electric current is called a

A. open circuit
B. closed circuit
C. both circuits
D. magnetic field
Answer» C. both circuits
31.

Current is affected in an electric circuit by

A. number of batteries
B. number of bulbs
C. type of wire
D. all of them
Answer» E.
32.

The path along which electric current flows is called a

A. circuit
B. chamber
C. transformer
D. pole
Answer» B. chamber
33.

The bubbles are trapped in dough of bread is of

A. oxygen
B. water vapors
C. hydrogen
D. carbon dioxide
Answer» E.
34.

Pasteurization helps us to kill

A. micro-organisms
B. fungi
C. virus
D. bacteria
Answer» B. fungi
35.

By invading in other living organisms the cells of microorganism multiply rapidly to reproduce like

A. virus
B. bacteria
C. fungi
D. algae
Answer» B. bacteria
36.

Cholera, whooping cough, tuberculosis, typhoid fever are caused by

A. virus
B. bacteria
C. contaminated water
D. fungus
Answer» C. contaminated water
37.

Teeth are eroded by conversion of sugar food into acid by

A. bacteria
B. virus
C. both a and b
D. fungus
Answer» B. virus
38.

As the temperature of the air increases, there is an increases in the capacity of

A. mineral
B. water vapor
C. molecules
D. atom
Answer» C. molecules
39.

The percentage composition of carbon dioxide in exhaled air is

A. 8%
B. 4%
C. 6%
D. 10%
Answer» C. 6%
40.

The percentage composition of oxygen in exhaled air is

A. 16%
B. 20%
C. 22%
D. 32%
Answer» B. 20%
41.

The liquefied air is put into an apparatus known as

A. non-fractional column
B. non-fractional column
C. fractional row
D. fractionating column
Answer» E.
42.

Water vapor is less dense than

A. temperature
B. air
C. dust
D. space
Answer» C. dust
43.

A gas which is given out during plants processes is called

A. oxygen
B. nitrogen
C. carbonmono oxide
D. hydrogen
Answer» B. nitrogen
44.

Venus fly trap is a

A. plant
B. animal
C. insect
D. bird
Answer» B. animal
45.

Stomata are present on underside of

A. flower
B. fruit
C. seed
D. leaf
Answer» E.
46.

Loam contain suitable nutrients for plants growth and it can

A. retain water
B. store food
C. store energy
D. provide heat
Answer» B. store food
47.

To check a leaf that either it has made food or not we can use test using

A. iron solution
B. iodine solution
C. calcium solution
D. water
Answer» C. calcium solution
48.

Parasitic fungi feed on living plants and animals, and are the main cause of plant

A. disease
B. reproduction
C. discoloration
D. decomposition
Answer» B. reproduction
49.

Organisms that feed on both animals and plants are known as

A. omnivores
B. carnivores
C. decomposer
D. herbivores
Answer» B. carnivores
50.

The most vital factor for organisms to live is

A. climate
B. water
C. gases
D. clouds
Answer» C. gases