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Science annual quiz.

Total questions: 160

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

What is a conductor?

(a)  

2.

Where is a solar cell found?

a)

Car

b)

Satellite

c)

bus

d)

Street light

3.

Which of these is a magnetic substance?

a)

Nickel

b)

cobalt

c)

Iron

d)

All of these

4.

Like poles ____ and unlike poles ____ each other.

(a)  

5.

There are (a)   types of motions.

6.

A kite flying in the sky has motion of the type :

a)

Linear

b)

curvilinear

c)

random

d)

periodic

7.

Circular motion is also called revolution. True/False

(a)  

8.

Cell is a device which-

a)

Converts chemical energy into electrical energy.

b)

Electrical energy into light energy

c)

Electrical energy into magnetic energy

d)

None of these

9.

Filament of a bulb is made up of-

a)

Aluminium

b)

Chromium

c)

Platinum

d)

Tungsten

10.

Magnets have a shape

a)

(a) cylindrical

b)

(b) ball ended

c)

(c) horse shoe

d)

(d) all of these

11.

Shapes of natural magnets are

a)

(a) horse-shoe

b)

(b) irregular

c)

(c) cylindrical

d)

(d) regular

12.

When a magnet is suspended freely it always aligns itself in -------- direction?

a)

North

b)

N-S

c)

N-W

d)

N-E

13.

Where on a magnet is the force the strongest

a)

Poles

b)

Middle

c)

Repel

d)

none of these

14.

An example of periodic motion

a)

Clock

b)

Motion of a boat

c)

Motion of a bus

d)

all of the above

15.

A motion that keeps on repeating itself after some time is called --------

a)

Circular motion

b)

Periodic motion

c)

Rectilinear motion

d)

Oscillatory motion

16.

Invention of ------- revolutionized the field of transportation.

a)

Fire

b)

Boat

c)

Wheel

d)

Caves

17.

What is the S.I. unit of length?

a)

Metre

b)

Centimetre

c)

Kilometre

d)

All of the above

18.

An example of rectilinear motion is

a)

apple falling from a tree

b)

motion of a car on a straight road

c)

a spinning top

d)

all of the above

19.

A bulb has

a)

two terminals and one filament

b)

two terminals and two filaments

c)

multiple terminals and single filament

d)

single terminal and single filament

20.

Which is a insulator

a)

Lime juice

b)

Magnet

c)

Iron

d)

Nickle

21.

Which is a conductor of electricity.

a)

Iron

b)

Magnesium

c)

Soda water

d)

Baking soda

22.

Flow of electricity in a circuit is known as

a)

Static charge

b)

Electron

c)

Protons

d)

Electric current

23.

Electricity flows from _______ to ________

a)

Negative to negative

b)

Positive to positive

c)

Positive to negative

d)

None of these

24.

What is an electric circuit?

(a)  

25.

Metals are ____________ of electricity

a)

Conductors

b)

Super conductors

c)

Sub insulators

d)

None

26.

In a torch electrical power is converted into

a)

Heat energy

b)

Light energy

c)

Sound energy

d)

None

27.

What is the name of natural magnet

a)

Ethiope

b)

Lopez

c)

Magnetite

d)

Quartz

28.

The area till which a magnet can attract a magnetic substance is known as

a)

Magnetic force

b)

Magnetic field

c)

Crop field

d)

Magnetism

29.

Property of magnet of attracting or repelling a substance is known

a)

Attraction

b)

Repulsion

c)

Magnetism

d)

Pressure

30.

A _______ consist of a magnetized needle which helps in finding directions

a)

Compass

b)

Magnet

c)

Stone

d)

None of These

31.

Process in which a magnet becomes weak due to heating

a)

Demagnetization

b)

Rumination

c)

Deteriorimination

d)

Lopticlanation

32.

Select the correct sequence for preparation of cotton fabric.

a)

ginning-weaving-spinning

b)

spinning-ginning-weaving

c)

ginning-weaving-retting

d)

ginning-spinning-weaving

33.

Fibres obtained from plants and animals are called

a)

Animal fibre

b)

Plant fibre

c)

synthetic fibre

d)

Natural fibre

34.

Which fibre is used for making gunny bags?

a)

wool

b)

Jute

c)

Silk

d)

Cotton

35.

Which of the following fibre is not obtained from the animal

a)

Leather

b)

Wool

c)

Silk cotton

d)

Silk

36.

Retting is carried out in jute

a)

after weaving

b)

after spinning

c)

before spinning

37.

A continuous piece of cloth, generally used as a dress material is called _________.

a)

Fibre

b)

Fabric

38.

A fabric is made up of fine threads called ____________.

a)

Yarns

b)

Fibre

c)

Filament

d)

None of the above

39.

Yarns are made from ___________.

a)

Fibres

b)

Fabrics

c)

Both - Fibres and fabrics

d)

None of the above

40.

The jute fibre is obtained from the _______ of the jute plant.

a)

Flower

b)

Seed

c)

Bark

d)

Stem

41.

Synthetic fibres are the fibres that are made from chemical substances. Which of these is a type of synthetic fibre?

a)

Cotton

b)

Silk

c)

Jute

d)

Polyester

42.

Synthetic fibres are the fibres that are made from chemical substances. Which of these is a type of synthetic fibre?

a)

Cotton

b)

Silk

c)

Jute

d)

Polyester

43.

The fibre obtained from the outer covering of the coconut is called ________.

a)

Wrap

b)

Coir

c)

Weft

d)

Yarn

44.

name the fibre which is used to make ropes,carpets,filling of mattresses

a)

coir

b)

flax

c)

kapok

45.

which state is the main exporter of jute

a)

bihar

b)

assam

c)

bengladesh

46.

In _________ one continuous thread is used to make a fabric.

a)

weaving

b)

knitting

47.

Biology is a study of ______

a)

molecular structure

b)

living things

c)

bacteria

d)

motion

48.

what are the 2 things present on earth be divided into

a)

animals and plants

b)

living and non living

c)

unicelllular and multicellular organisms

d)

adults and babies

49.

who are the autotrophs

a)

animals

b)

plants

c)

fungi

d)

amoeba

50.

what is locomotion

a)

it is a change in the environment

b)

it the movement of an organism from place to place

c)

it is the sudden response to the change in the environment

d)

it is a fancy word for excretion

51.

fishes use their (a)   to breathe

52.

plants breathe through special openings in their leaves called (a)  

53.

(a)   are simple organisms which consist of only 1 cell

54.

most cells are so small they can only be with a (a)  

55.

most living things need _____, ______and____ to survive.

(a)  

56.

select the unicellular organisms

a)

paramecium

b)

elephant

c)

amoeba

d)

humans

57.

what is the name of the touch-me-not plant

(a)  

58.

A molecule is the basic structural and functional unit of life.

a)

True

b)

False

59.

The environment undergoes several changes but living organisms remain the same, they do not change.

a)

True

b)

False

60.

Plants can only produce oxygen. They cannot use it.

a)

True

b)

False

61.

What is a hinge joint?

a)

Allows joint to move in only 3 directions

b)

Allows movement of joint in all directions

c)

Allows movement of joints in 1 direction

d)

allows movement of joints in only 4 directions

62.

What is a ligament?

a)

It is an hard and bony type and is very weak

b)

It is strong connecting tissue but cant stretch

c)

It is has elasticity and can stretch which can be found between bones

63.

The hip bone encloses the portion of our body just below the heart.

a)

True

b)

False

64.

Skeleton of human body is made up of ______.

a)

Cartilage

b)

Bones

c)

Both cartilage and bones

d)

None of the above

65.

Which of the following are the functions of the skeleton?

a)

Gives support to the body

b)

Protects inner organs

c)

Does not give shape to the body

d)

All of the above

66.

Which of the following joints is immovable?

a)

Lower jaw and upper jaw

b)

Upper jaw and skull

c)

Knee and hip joint

d)

Wrist and pivotal joint

67.

Hinge joint can allow movement up to ______.

a)

360 degree

b)

90 degree

c)

45 degree

d)

180 degree

68.

An earthworm is able to move with the help of its _____.

a)

Bones

b)

Bones and muscles

c)

Muscles

d)

Shell

69.

Muscular foot is a locomotory organ in ______.

a)

Snakes

b)

Cockroach

c)

Earthworms

d)

Snails

70.

Which of the following organs are protected by the rib cage?

a)

Stomach

b)

Heart

c)

Lungs

d)

Both heart and lungs

71.

What is the lower muscle in the hand called?

a)

Tendon

b)

Biceps

c)

Muscular foot

d)

Triceps

72.

Cockroaches have endoskeleton.

a)

True

b)

False

73.

Are the hind limbs of birds modified to make them fly?

a)

Yes

b)

No

c)

Partially yes

d)

Partially no

74.

Upstroke happens when the wings of the snail go up.

a)

True

b)

False

75.

Which one of the following statements is correct?

a)

Several kinds of plants and animals may share the same habitat.

b)

All the animals and plants in a habitat are adopted to it.

c)

Both the statements are correct.

d)

None of these is correct.

76.

Animals and plants have certain features which make them to survive in a particular habitat. This is called

a)

adaptation

b)

speciation

c)

specialisation

d)

evolution

77.

Which is a biotic component of environment?

a)

Plants

b)

Animals

c)

Microorganisms

d)

All of these

78.

What are the characteristics of a desert plant?

a)

No leaves or very small leaves

b)

Spines

c)

Deep roots

d)

All of these

79.

Respiration in aquatic animals occurs by

a)

lungs

b)

legs

c)

nostrils

d)

gills

80.

Soil, water and air are ……………… components of a habitat.

a)

Biotic

b)

Solid

c)

Abiotic

d)

Liquid

81.

All living organisms need water for their survival.

a)

True

b)

False

82.

Leaves in aquatic plants are reduced in size to minimize their evaporating surface.

a)

True

b)

False

83.

All objects have similar shapes and sizes.

a)

True

b)

False

84.

What is acclimatization?

a)

Winter sleep of some organisms

b)

The small changes that take place in the body of an organism over a short period, to overcome small problems arising due to changes in its surroundings

c)

Feature that helps an organism to survive in a particular type of habitat

85.

What is ecology?

a)

Study of the relationship between living things and their environment

b)

Everything surrounding and affecting an organism

c)

Both

86.

A_has several adaptations to help it survive in a desert

a)

Camel

b)

Donkey

c)

Cat

87.

Organisms living on land are _____ organisms

a)

aquatic

b)

arboreal

c)

terrestrial

88.

Fishes move about in the water with the help of their

a)

mouth and tail

b)

legs and scales

c)

wings and tails

d)

fins and tails

89.

Which one of these animals can live on land as well as in water?

a)

deer

b)

giraffe

c)

frog

d)

fox

90.

Which one of these aquatic plants grows completely submerged under water?

a)

water hyacinth

b)

hydrilla

c)

water lily

d)

lotus

91.

Which of the following animals does not have gills?

a)

squids

b)

octopus

c)

dolphin

d)

fish

92.

Which one of the following is stored in a camel's hump for use in emergency situations?

a)

air

b)

fat

c)

water

d)

carbohydrates

93.

One of the following is not a terrestrial habitat?

a)

soil

b)

tree

c)

ocean

d)

desert

94.
Which of these is NOT a reversible change?
a)
Water to Ice
b)
Juice to Popsicle
c)
Cookie Dough to Cookie
d)
Melting Chocolate
95.
Which is not a property of matter?
a)
solid
b)
liquid
c)
gas
d)
ice
96.
What is a reversible change?
a)
Something you can change back.
b)
Something you cannot change back.
97.

In a physical change:

a)

The molecules of the substance do not change

b)

The molecules of the substance do not change

c)

The molecules of a substance undergo change

d)

New substance are formed

98.

MELTING OF ICE IS WHAT CHANGE

a)

PHYSICAL CHANGE

b)

CHEMICAL CHANGE

99.

BURNING OF WOOD IS WHAT CHANGE

a)

PHYSICAL CHANGE

b)

CHEMICAL CHANGE

100.

Every change has a cause. true or false

a)

True

b)

False

101.

What type of change is the bursting of a cracker ?

a)

Reversible change

b)

Irreversible change

c)

Physical change

d)

None of these

102.

What type of change is the lighting of a bulb?

a)

Reversible change

b)

Irreversible change

c)

Chemical change

d)

None of these

103.

Which of the following is an irreversible change?

a)

Filling air in a balloon

b)

Melting of ice

c)

Burning of paper

d)

Making a toy aeroplane by folding paper

104.

Which type of change is the curdling of milk?

a)

Reversible change

b)

Irreversible change

c)

Reversible as well as irreversible change

d)

None of these

105.

Which of the following changes takes place when heat is given?

a)

The bursting of a balloon due to filling of excess air

b)

Crushing of coal pieces

c)

Transformation of water into vapour

d)

Dissolving of salt in water

106.

When iron rim is heated it

a)

Contracts

b)

Expands

c)

Dissolves

d)

Evaporates

107.

The burning of wood

a)

Can be reversed

b)

Cannot be reversed

c)

Can be expanded

d)

Can be melted

108.

When object is cooled, it's size

a)

Increases

b)

Decreases

c)

Remains same

d)

None of the above

109.

Evaporation of water is a reversible change

a)

True

b)

False

110.

Rusting of iron is a reversible change

a)

True

b)

False

111.

Which of the following gas helps in burning?

a)

Nitrogen

b)

Oxygen

c)

Carbon dioxide

d)

Corbon monoxide

112.

Envelope of air that surrounds the earth is known as

a)

biosphere

b)

atmosphere

c)

environment

d)

ecosystem

113.

Air becomes thinner and thinner as we go higher and higher from the surface of earth.

a)

True

b)

False

114.

Air is present in

a)

atmosphere

b)

soil

c)

Water of ponds, lakes and seas

d)

everywhere

115.

What is the percentage of carbon dioxide and few other gases, water vapour, dust particles?

a)

2%

b)

1%

c)

3%

d)

None of these

116.

Which gas is essential for respiration?

(a)  

117.

Windmill uses _______ to work and produces ________.

a)

Electricity................ hydrogen

b)

Kerosene...............Air

c)

Air.............Electricity

d)

Motar............silver

118.

What makes a firki rotate?

a)

Atmosphere

b)

Moving air

c)

Water vapour

d)

None of these

119.

Carbon dioxide is used by green plants to make their own food.

a)

True

b)

False

120.

Atmosphere shows the direction in which the air is moving at that place.

a)

True

b)

False

121.

Air is

a)

a mixture

b)

a pure substance

c)

an element

d)

anything, that depends on the place where it is found

122.

Air has no ……………. and one can see through it. It is ………………… .

a)

Heat......... Opaque

b)

Neon gas.......... Luminous

c)

Colour.......... Transparent

d)

None of these

123.

We breath in CO2 and breath out O2.

a)

True

b)

False

124.

Air contains water vapours.

a)

True

b)

False

125.

Plants produce oxygen through photosynthesis.

a)

False

b)

True

126.

The method of separating two components of a mixture which is based on the wind is …………………….. .

a)

Threshing

b)

Handpickink

c)

Winnowing

d)

Seiving

127.

Air contains __________ particles.

a)

Husk

b)

Dust

c)

Stones

d)

Iron

128.

Nitrogen of the air is used on a large scale to manufacture ………………………. .

a)

Gas

b)

Pesticides

c)

Fertilizers

d)

Glaciers

129.

Major part of the air is constituted by?

a)

nitrogen

b)

oxygen

c)

carbon dioxide

d)

inert gases

130.

What are the advantages of vermicomposting ?

a)

It can be used to recycle certain waste products.

b)

The remaining compost can be used as fertilizers.

c)

You can save the environment by creating less waste

d)

All of the above

131.

What can be used as an alternative to plastic bags

a)

Paper Bags

b)

Glass bags

c)

Cloth Bags

d)

We shouldn't use bags at all.

132.

Why can't we make a compost out of plastic ?

a)

Because plastic is biodegradable

b)

Because it bad for the soil.

c)

Because it catches fire.

d)

Because plastic is non biodegradable

133.

What is the correct definition of "Reuse" ?

a)

Reducing the consumption of certain materials.

b)

Using certain materials over and over until they are worn out.

c)

Saying no to things which are not ecofriendly

d)

sending materials like paper and plastic for recycling

134.

What is the correct definition of "Reduce" ?

a)

Using certain materials over and over until they are worn out.

b)

Reducing the consumption of certain materials.

c)

Making something new out of an old material.

135.

What kind of wastes are filled in a compost pit ?

a)

Non-biodegradable

b)

Biodegradable

136.

What are solid wastes commonly called?

a)

Garbage

b)

Sewage

137.

What are the 3 r's

a)

Reduce, Reuse and Recycle

b)

Reduce, Refuse, Reuse

c)

Reduce, Refuse, recycle

d)

Reduce, Reuse, rotate

138.

What is a landfill ??

a)

places where the garbages are taken to a low lying open area

b)

places where people go on a vacation for tourism.

c)

it is a place which is filled with a lot of drought

139.

What happens when we burn leaves??

a)

It produces smoke and harmful gases

b)

it dies

c)

nothing will happen

d)

it will explode

140.

Which type of wastes decompose completely when buried in soil??

a)

Plant wastes

b)

plastic wastes

c)

animal wastes

d)

metal wastes

141.

A ____________ is a waste disposal facility where wastes are put in the ground and covered each day with a layer soil

a)

landfill

b)

incinerator

c)

dustbin

d)

open dump

142.
What is the process of turning waste into new materials?
a)
Recycling.
b)
Landfilling.
c)
Composting.
d)
Incinerating.
143.

Out of these, which one is a non-biodegradable waste?

a)

Paper

b)

Faecal matter

c)

Aluminum foil

d)

Cotton

144.

Which among the following will not pollute the soil?

a)

Aluminium foil

b)

Plastic

c)

Thermo Col

d)

Bread

145.

Choose a method of separation for the mixture bought by Aryan

a)

Sieving

b)

Handpicking

c)

Threshing

d)

Filtration

146.

Ramaira wants to make low fat Lassi, which method shall she use for separating the fat?

a)

Filtration

b)

Sedimentation

c)

Decantation

d)

Churning

147.

We can separate salt from water using filtration?

a)

True

b)

False

148.

Choose the mixtures which cannot be separated by filtration

a)

Cornflakes in milk

b)

Sugar in Milk

c)

Chocolate syrup in milk

d)

Tea leaves from water

149.

Which method is used to separate pebbles and stones from sand?

a)

Threshing

b)

Winnowing

c)

Sieving

d)

Filtration

150.

Property which forms the basis of sieving

a)

Difference in colour

b)

Difference in weight

c)

Difference in shape

d)

Difference in Size

151.

Which method of separation can you observe in the picture?

a)

Decantation

b)

Evaporation

c)

Sedimentation

d)

Sieving

152.

In absence of a strainer, which technique can be used to separate tea from tea leaves?

a)

Threshing

b)

Winnowing

c)

Sedimentation-Decantation

d)

Handpicking

153.

Sugar can be separated from water using which of the following techniques?

a)

Sedimentation

b)

Handpicking

c)

Evaporation

d)

Churning

154.

A solution is known as (a)   when no more substance can be dissolved in it.

155.

Mixture of of salt, sand, oil and water is given ,which of these sequence can be used to separate salt

a)

Decantation -> Filtration -> Evaporation

b)

Filtration -> Evaporation -> Condensation

c)

Filtration -> boiling ->Decantation

d)

Decantation -> Evaporation -> Handpicking

156.

Butter can be separated from milk by the process of (a)  

157.

Which of the following mixtures can be separated using evaporation?

a)

Salt and water

b)

Tea leaves and water

c)

Oil and water

d)

Copper Sulphate and water

158.

The process of conversion of water vapour to water is known as (a)  

159.

Abeer was trying to recover water from salt and water solution, which of the following techniques shall he use?

a)

Evaporation

b)

Distillation

c)

Sieving

d)

Handpicking

160.

Iron particles can be separated from the mixture by:

a)

Magnet

b)

Sedimentation

c)

Evaporation

d)

Decantation

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