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.

The process by which water (and other liquids) change from a liquid state to a vapor or gas state is called

A. distillation
B. magnetism
C. evaporation
D. sublimation
Answer» D. sublimation
2.

Elements that are sonorous or make a bell-like sound when struck, are called

A. metals
B. non-metals
C. glasses
D. wood
Answer» B. non-metals
3.

Hydrogen causes a balloon to lift up in

A. clouds
B. air
C. space
D. water
Answer» C. space
4.

An element used as fuel, and will become the future overall fuel is known as

A. hydrogen
B. neon
C. phosphorus
D. helium
Answer» B. neon
5.

The most common source of carbon is

A. sea
B. coal deposits
C. mountain
D. land
Answer» C. mountain
6.

One of the softest materials in a form of carbon that is primarily used as a lubricant is called

A. coal deposits
B. graphite
C. pearl
D. lead
Answer» C. pearl
7.

Concrete is a mixture of cement, gravels and water, which is used for

A. carving
B. building
C. plumbing
D. gardening
Answer» C. plumbing
8.

The largest organ inside or outside of the body is

A. skin
B. heart
C. large intestine
D. stomach
Answer» B. heart
9.

A human ear has generally

A. three parts
B. two parts
C. four parts
D. five parts
Answer» B. two parts
10.

Middle ear contains three bones that are generally known as

A. ossicles
B. cochlea
C. anvil
D. hammer
Answer» B. cochlea
11.

The skin under feet is hard to help in

A. loose
B. grip
C. slips
D. stand
Answer» C. slips
12.

The number of parts in a human ear are

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
13.

Survival of living things is enhanced by

A. technologies
B. new discoveries
C. adaptations
D. all of them
Answer» D. all of them
14.

Nocturnal animals have large eyes which are sensitive to

A. heat
B. light
C. food
D. prey
Answer» C. food
15.

Plants in deserts have only few stomata to reduce

A. water intake
B. water loss
C. mineral content
D. oxygen intake
Answer» C. mineral content
16.

Seeds dispersal by animals hair or fur is usually done for plants with

A. juicy fleshy fruit
B. hairy
C. hooks
D. all of them
Answer» E.
17.

Sea mammals have lungs and they breath through

A. nose
B. lungs
C. skin
D. blowholes
Answer» E.
18.

Changes in matter takes place

A. in day
B. noon
C. night
D. all the time
Answer» E.
19.

During burning process, energy is released in form of

A. light energy
B. heat energy
C. both a and b
D. chemical energy
Answer» D. chemical energy
20.

Serious damages, injuries and even deaths are caused by

A. fire
B. oil
C. gas
D. carbon
Answer» B. oil
21.

To initiate a material for burning we need

A. heat
B. water
C. flammable liquid
D. sunlight
Answer» B. water
22.

When a salt is mixed with water it forms a

A. solution
B. medicines
C. food additive
D. preserver
Answer» B. medicines
23.

Oil and gas catch fire

A. easily
B. slowly
C. not at all
D. extinguisher
Answer» B. slowly
24.

Formation of gas from any liquid on boiling is due to

A. water
B. heat
C. pressure
D. density
Answer» C. pressure
25.

Liquid water evaporate or boil to turn into water vapor and steam by gaining

A. water
B. heat
C. pressure
D. density
Answer» C. pressure
26.

To fry or boil an egg we need

A. pan
B. heat
C. water
D. match stick
Answer» C. water
27.

Changes in matter can be observed upon

A. separating
B. filtering
C. mixing
D. heating
Answer» D. heating
28.

Obtaining sea salt from sea water is an example of

A. magnetism
B. evaporation
C. sublimation
D. distillation
Answer» C. sublimation
29.

The process used to obtain the solute from a solution is known as

A. sublimation
B. distillation
C. filtration
D. evaporation
Answer» E.
30.

Water contains two hydrogen atoms and one

A. oxygen atom
B. carbon atom
C. nitrogen atom
D. neon atom
Answer» B. carbon atom
31.

A soft, ductile and malleable metal with high conductivity of heat and electricity is

A. silver
B. copper
C. nickel
D. iron
Answer» C. nickel
32.

The number of metallic elements in the periodic table is close to

A. twenty
B. forty
C. sixty
D. fifty
Answer» D. fifty
33.

Tears are produced by

A. tear glands
B. endocrine glands
C. sensory cell
D. receptors
Answer» B. endocrine glands
34.

The eye can recognize things in bright and dim light, but I cannot see if there is no

A. taste
B. vision
C. smell
D. light
Answer» E.
35.

The cavity of the nose is generally known as

A. nerve impulse
B. nasal cavity
C. nostril
D. nosepiece
Answer» C. nostril
36.

Four types of taste buds are salty, sweet, sour and

A. different
B. weird
C. bitter
D. bad
Answer» D. bad
37.

The eye is an organ that senses things with the aid of

A. taste
B. smell
C. sight
D. hearing
Answer» D. hearing
38.

Animals that digest cellulose in their stomach with the help of bacteria are known as

A. whelk
B. herbivorous mammals
C. carnivores
D. omnivores
Answer» C. carnivores
39.

An example of parasite is

A. fleas
B. butterfly
C. ox packer
D. eagle
Answer» B. butterfly
40.

The homeland of Rafflesia is

A. South Asia
B. South Africa
C. South East Asia
D. none of them
Answer» D. none of them
41.

Snake and lizards are forms of reptiles that are found in

A. pond
B. desert
C. forest
D. sea
Answer» C. forest
42.

The organism that actually feed on the dead organic matter and feces to get their energy is known as

A. decomposer
B. detritivores
C. scavengers
D. omnivores
Answer» C. scavengers
43.

Leaves of cactus are adapted to reduce water loss by turning into

A. needles
B. spines
C. both a and b
D. flowers
Answer» D. flowers
44.

Pollination is done by

A. insects and animals
B. wind
C. humans
D. all of them
Answer» E.
45.

Thick and fleshy stem of cactus can store

A. water
B. food
C. seed
D. nutrients
Answer» B. food
46.

A series of organisms through which energy is transferred in the form of food is called a

A. food group
B. food chain
C. food cycle
D. key chain
Answer» C. food cycle
47.

Mangoes and berries are eaten with discard of seed and it is dispersed by

A. animals
B. insects
C. birds
D. fish
Answer» B. insects
48.

"Predator" and "prey" is used to refer to organism eating other organisms. This example also fits in

A. Bear and berry
B. rabbit and lettuce
C. grasshopper and leaf
D. all of them
Answer» E.
49.

A parasite that lives on the skin and sucks small quantities of blood is

A. rafflesia
B. amoeba
C. lice
D. fungi
Answer» D. fungi
50.

Acidity or alkalinity of the soil can be affected by

A. amount of rainfall
B. vegetation type
C. temperature
D. all of them
Answer» E.