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.

Isaac Newton is a very famous scientist who gave

A. law of gravity
B. law of motion
C. matter theory
D. all of them
Answer» C. matter theory
2.

Jane Goodall was a British scientist stayed in forest without comforts for more than 10 years to study life of a

A. monkey
B. chimpanzee
C. binmanas
D. deer
Answer» C. binmanas
3.

Careful and accurate observation using sensory organs is usually done by good observers who are

A. scientist
B. dentists
C. artists
D. priest
Answer» B. dentists
4.

Inference has been drawn from

A. observation
B. conclusions
C. analysis
D. hypothesis
Answer» C. analysis
5.

For your safety in a laboratory you should always adhere to

A. safety rules
B. chemicals
C. compounds
D. apparatus
Answer» B. chemicals
6.

Petrol and Alcohol are flammable put it

A. away from heat
B. near to heat
C. near to water
D. use as extinguisher
Answer» B. near to heat
7.

An instrument used to measure volume of liquid to an accuracy of 0.1 cm3 is called

A. pipette
B. burette
C. crucible
D. retort stand
Answer» C. crucible
8.

Nuclear explosions are harmful to

A. plants
B. animals
C. humans
D. all of them along with environment
Answer» E.
9.

Food factory in a plant cell, where chlorophyll is produced, is known as

A. cytoplasm
B. cellulose
C. chloroplast
D. vacuole
Answer» D. vacuole
10.

An example of organs in plants is

A. brain
B. lungs
C. stomach
D. none of them
Answer» E.
11.

A blood test that tells the number and shape of the blood cells is known as

A. blood smear
B. blood count
C. examination
D. testing
Answer» B. blood count
12.

DNA is a substance that makes up the foundations of

A. nucleus
B. cell membrane
C. vacuole
D. mitochondria
Answer» B. cell membrane
13.

The part of plant that plays an important role in reproduction is

A. leaves
B. stem
C. flower
D. roots
Answer» D. roots
14.

Another name for the diaphragm is

A. turret
B. coarse
C. iris
D. stage
Answer» D. stage
15.

The primary task of leaves is to absorb sunlight and make food by the process of

A. photosynthesis
B. fertilization
C. germination
D. pollination
Answer» B. fertilization
16.

The shape of vacuole is similar to a

A. tube
B. bag
C. cylindrical
D. triangle
Answer» C. cylindrical
17.

The eyepiece contains a

A. 1X or 5X power lens
B. 10X or 15X power lens
C. 12X or 15X power lens
D. 10X or 12X power lens
Answer» C. 12X or 15X power lens
18.

Plant and animal cells are unable to reproduce without the presence of

A. mitochondria
B. chloroplast
C. cytoplasm
D. nucleus
Answer» E.
19.

Large storage for food, water and waste is present in

A. vacuole
B. tissue
C. organ
D. Cellulose
Answer» B. tissue
20.

Ribosomes help in the formation of

A. fat
B. protein
C. vitamin
D. glucose
Answer» C. vitamin
21.

For examining the microscope slides, the power objective should be

A. low
B. high
C. doesn't matter
D. constant
Answer» B. high
22.

The tissue responsible for the covering of internal organs and external tissues is known as

A. epidermal tissues
B. muscle tissue
C. epithelial tissue
D. nerve tissue
Answer» D. nerve tissue
23.

Organisms made up of only one cell are known as

A. multicellular
B. unicellular
C. epithelial
D. epidermal
Answer» C. epithelial
24.

The wall of the cell that surrounds the cytoplasm is known as

A. cell membrane
B. cell wall
C. cytoplasm
D. vacuole
Answer» B. cell wall
25.

Electron microscope is an invention that uses the beam of

A. neuron
B. electron
C. neutron
D. proton
Answer» C. neutron
26.

Garden is generally a habitat for

A. hibiscus
B. snail
C. mushroom
D. all of them
Answer» E.
27.

Animals which hunt at night and can see in dark nights are

A. cats
B. owl
C. fox
D. all of them
Answer» E.
28.

Animals directly or indirectly depend for their food, protection and shelter on

A. plants
B. other animals
C. micro-organisms
D. water
Answer» B. other animals
29.

Dead animals and plants are broken down into smaller substances by decomposition of

A. fungi
B. bacteria
C. both a and b
D. virus
Answer» D. virus
30.

When sea mammals need to breath they come up to surface of water to breath because

A. blowholes are located at head
B. low oxygen in lower water
C. water is hot downwards
D. need fresh air
Answer» B. low oxygen in lower water
31.

The thick layer of fat in polar bear is called

A. lipid
B. blubber
C. muscles
D. epidermis
Answer» C. muscles
32.

Consumers cannot prepare their own food and depend on

A. producers
B. other animals
C. both a and b
D. water
Answer» D. water
33.

Cactus is well adapted to survive in

A. water
B. land
C. water and land
D. desert
Answer» E.
34.

Producers can prepare their own

A. offspring
B. food
C. habitat
D. atmosphere
Answer» C. habitat
35.

Herbs or grass eating animals are called

A. herbivores
B. carnivores
C. omnivores
D. oviparous
Answer» B. carnivores
36.

Ducks move around to look for food and paddle on surface of water due to its

A. wings
B. webbed feet
C. beak
D. feathers
Answer» C. beak
37.

Some aquatic animals don't have fins rather they have

A. webbed feet
B. flippers
C. both a and b
D. blow holes
Answer» D. blow holes
38.

Organ which helps fish to float in water is

A. fins
B. wings
C. swim bladder
D. air body
Answer» D. air body
39.

Some desert plants have deep and long roots to reach for underground

A. water
B. salts
C. minerals
D. oxygen
Answer» B. salts
40.

Animals which only eat meat are called

A. herbivores
B. carnivores
C. omnivores
D. oviparous
Answer» C. omnivores
41.

Aircraft body uses a special metal. This metal is hard, light and have less density. This metal is

A. aluminum
B. steel
C. iron
D. lead
Answer» B. steel
42.

The substance that cannot be further broken down into smaller pieces is known as

A. mixture
B. element
C. atom
D. molecule
Answer» C. atom
43.

The process of separating components of crude oil is known as

A. chromatography
B. lubrication
C. petroleum collection
D. Petroleum refining
Answer» E.
44.

Distillation is done to pass vapors through aromas and essence to make

A. perfumes
B. oil
C. medicine
D. mixture
Answer» B. oil
45.

Bronze is an alloy, it contains 885 of copper and the rest 12% is

A. oil
B. tin
C. cane
D. sodium
Answer» C. cane
46.

Fractionating column is mainly used in the process of

A. fractional distillation
B. continuous distillation
C. simple distillation
D. steam distillation
Answer» B. continuous distillation
47.

More than four-fifth of the natural elements are

A. semi-solid
B. metal
C. liquid
D. solid
Answer» C. liquid
48.

A substance made from two or more different elements that have been chemically joined is called

A. solution
B. mixture
C. atom
D. compound
Answer» E.
49.

The number of atoms of each element in a compound is known as

A. form
B. chemical formula
C. chemistry
D. composition
Answer» C. chemistry
50.

Aluminum is a good

A. electrical conductor
B. thermal
C. power
D. none of them
Answer» B. thermal