Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

CLASS VIII SCIENCE REVISION QUIZ (Practice)

Total questions: 50

Worksheet time: 17mins

Name
Class
Date
1.

Which of the following is not a Rabi crop?

a)

Soyabean

b)

Peas

c)

Wheat

d)

Linseed

2.

The food obtained from animals is rich in :

a)

Fats

b)

Carbohydrates

c)

Minerals

d)

Proteins

3.

In agriculture, broadcasting is used for

a)

Ploughing

b)

Crop rotation

c)

Removal of weeds

d)

Sowing of seeds

4.

Fungi is beneficial to us beacause of the following reason

a)

They are a source of oxygen

b)

They can clean up pollution

c)

They are a source of antibiotics

d)

They help to clean run off from waste

5.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

6.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

7.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

8.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

9.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

10.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

11.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
12.
A large group of one-celled organisms that sometimes cause disease .
a)
Virus
b)
Protist
c)
Fungi
d)
Bacteria
13.
Microorganisms can be found:
a)
The the ocean, inside and outside your body
b)
On plants and animals
c)
In medicine and your food
d)
All of the above
14.
A process of converting nitrate into atmospheric nitrogen, facilitated by microbes.
a)
Kreb's Cycle
b)
Denitrification
c)
Lytic Cycle
d)
Lysogenic Cycle
15.

Name the plastic used for making water pipes

a)

Polythene

b)

PVC

c)

Acrylic

d)

Bakelite

16.

Cooking pans have plastic handles because

a)

They are light, durable and strong

b)

They are non- reactive

c)

They are poor conductors of heat and electricity

d)

They do not catch fire

17.

By which of the given processes is coal formed?

a)

Carbonisation

b)

Distillation

c)

Vapourisation

d)

Evaporation

18.

Which of the forms of coal has highest percentage of carbon?

a)

Anthracite

b)

Bituminous

c)

Peat

d)

Lignite

19.

What are the most common sources of energy used in automobiles?

a)

Wood and coal

b)

Petroleum and diesel

c)

LPG and cow dung

d)

Natural gas and coal

20.

Which of the following is NOT a fossil fuel.

a)

coal

b)

carbon dioxide

c)

petroleum oil

d)

natural gas

21.

Heat and _____________ transformed living things into fossil fuels.

a)

pressure

b)

air

c)

gas

d)

water

22.

Fossil fuels are a _______________________.

a)

renewable resource

b)

unknown resource

c)

nonrenewable resource

d)

new resource

23.
What must be present for Fossil Fuels to form?
a)
Bones and Sediment
b)
Dead Organisms and Layers of Sediment
c)
Dead Organisms, Layers of Sediment, and Heat & Pressure over time
d)
Bones, Layers of Sediment, and Heat & Pressure over time
24.

This is the cleanest burning of the fossil fuels:

a)

Natural Gas

b)

Coal

c)

Petroleum

d)

Coke

25.

Which of the following is a non-polluting fuel for vehicles?

a)

kerosene

b)

CNG

c)

diesel

d)

petrol

26.

This cell is a prokaryote because it

a)

contains a nucleus

b)

has cytoplasm

c)

contains no nucleus

d)

has genetic material

27.

This cell is a eukaryote because it

a)

contains cytoplasm

b)

has a nucleus

c)

has no nucleus

d)

has DNA

28.

Which structure represents the mitochondria?

a)

A

b)

B

c)

C

d)

D

e)

E

29.

Which structure enables a plant to perform photosynthesis?

a)

cell wall

b)

cell membrane

c)

mitochondria

d)

chloroplast

30.

Which of the following is a plant cell?

a)
b)
c)
31.

The control center of the cell is known as...

a)

cytoplasm

b)

mitochondria

c)

nucleus

d)

chloroplast

32.

Watch the green man. Which force(s) are acting in this situation?

a)

Frictional Force only.

b)

Gravitational Force only.

c)

Muscular Force only.

d)

Muscular and Gravitational Force.

33.

Watch the green man skating. Choose all options that are correct.

a)

Both Contact and Non-Contact forces acting here.

b)

Non-Contact force is only acting here.

c)

Rolling Friction and Gravitational Force are present.

d)

Sliding Friction and Gravitational Force are present.

34.

Observe the image carefully. What's NOT happening here?

a)

People on the left side win the game.

b)

Nobody wins.

c)

This is balanced situation.

d)

Resultant Force is zero.

35.

Which sentence is the MOST RIGHT fit for this image?

a)

Flat shoes are better than heels.

b)

Pressure distribution is less for flat shoes.

c)

In muddy area, it's not a good idea to wear heels.

d)

Less the area, less is the pressure. So heels create less pressure.

36.

Observe what the picture is trying to tell you. Choose the MOST CORRECT option here.

a)

This is a game of 'tug of war'.

b)

This is an example of balanced forces.

c)

This is an example of unbalanced forces.

d)

This is an example of 'balanced vs unbalanced' forces.

37.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

38.

How do you Calculate Pressure

a)

Force(N)/Area(m2)

b)

Force(kg)/Area(mi2)

c)

Area(m2)/Force(N)

39.

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

a)

The design of this structure is stronger.

b)

Water pressure increases with depth.

c)

The cost of construction is lower.

d)

Water pressure acts uniformly in all directions.

40.

Watch the tyres of tractor rolling. Rear tyres are broader because

a)

It looks good.

b)

Broader tyres lessen the muscular Force required.

c)

Broader tyres lessen the pressure on ground.

d)

Broader tyres lessen the friction on ground.

41.

The pressure inside the syringe will decrease if we move the plunger in:

a)

Direction A

b)

Direction B

c)

We don't have to move the plunger as the pressure will change on its own.

d)

None of the above answers.

42.
What is the instrument that measures air pressure called?
a)
Graduated cylinder
b)
Barometer
c)
Force scale
d)
Anemometer
43.
A reflected sound wave is know as a/an ___________.
a)
frequency
b)
pitch
c)
echo
d)
rarefaction
44.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
45.

Sound travels FASTEST through which of these materials?

a)

Plastic

b)

Empty space

c)

Metal

d)

Water

46.
This is the unit used to measure the volume of a sound. 
a)
Decibel
b)
Medium
c)
Vibration
d)
Oscilloscope
47.

Which instrument is used to measure earthquake?

a)

Richter scale

b)

Seismograph

c)

Polygraph

d)

none of these

48.

The magnitude of earthquake is measured by

a)

Richter Scale

b)

Decibel Scale

c)

Celcius

d)

Kelvin

49.

What causes lightning?

a)

Angry God

b)

Shaking of clouds

c)

The interaction of clouds with opposite charges

d)

None of these

50.

The waves produced on the earth surface is called __________

a)

Seismic Waves

b)

Longitudinal Waves

c)

Micro Waves

d)

Radio Waves

Similar Resources on Wayground

Genetics Review

45 questions

Genetics Review

quiz

Worksheet

•

6th - 8th Grade

Science 8 Quarter 2

50 questions

Science 8 Quarter 2

quiz

Worksheet

•

8th Grade

Unit 1 Atoms/Periodic Table

50 questions

Unit 1 Atoms/Periodic Table

quiz

Worksheet

•

8th Grade

Forces in Motion

50 questions

Forces in Motion

quiz

Worksheet

•

8th Grade

Science 6 1st Trimester Periodical Test Reviewer

45 questions

Science 6 1st Trimester Periodical Test Reviewer

quiz

Worksheet

•

6th - 8th Grade

Physics Calculations Assignment

52 questions

Physics Calculations Assignment

quiz

Worksheet

•

8th Grade

Unit 2, LC 2 Test Review

53 questions

Unit 2, LC 2 Test Review

quiz

Worksheet

•

8th Grade

Matters of the Heart

45 questions

Matters of the Heart

quiz

Worksheet

•

8th - 9th Grade