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Science

Total questions: 83

Worksheet time: 42mins

Name
Class
Date
1.

Switch is also referred as _____ in an electric circuit.

a)

filament

b)

cell

c)

key

2.

The bulb glows only when there is a flow of ___________.

a)

electricity

b)

liquid

c)

gases

3.

Which of these appliances NOT run on electricity ?

a)

cooker

b)

fridge

c)

TV

4.

The bulb gets fused because ______________

a)

filament is broken

b)

break in the path of electric circuit

c)

both

5.

In the open circuit, the bulb _____________.

a)

glows

b)

does not glow

6.

Filament is made up of ________.

a)

iron

b)

tin

c)

tungsten

7.

An electric cell has ____ terminals.

a)

1

b)

2

c)

3

8.

Which of the following equipment uses electric cells ?

a)

remotes

b)

TV

c)

Fridge

9.

A cell consists of an outer covering made of _______.

a)

copper

b)

tungsten

c)

zinc

10.

Which of these is an advantage of electric cell ?

a)

Portable

b)

Heavy in weight

c)

Very costly

11.

The base of the cell is the ________ terminal.

a)

positive

b)

negative

c)

neutral

12.

An ___________ is a simple device that is used to open or close an electric circuit.

a)

electric switch

b)

electric remote

c)

electric handle

13.

The materials that allow electricity to pass through them are known as _________.

a)

conductors

b)

insulators

14.

________ is used to cover electric wires.

a)

rubber

b)

copper

c)

iron

15.

Which of these is an insulator ?

a)

wood

b)

gold

c)

iron

16.

Electric current flows from _______ terminal to _______ terminal in a cell.

a)

positive, negative

b)

negative, positive

17.

Two or more cells connected end to end together forms a ______.

a)

torch

b)

circuit

c)

battery

18.

The carbon rod in the cell is surrounded by ___________ and _____________.

a)

manganese dioxide and charcoal

b)

manganese dioxide and zinc

c)

zinc and cabon

19.

a natural magnet

a)

magnetite

b)

horse shoe

c)

circular

d)

U shaped

20.

there are how many poles in a magnet

a)

1

b)

5

c)

3

d)

2

21.

true or false

N and S repulse

a)

True

b)

False

22.

Maglev stands for

a)

magnetic train

b)

magnetic leave

c)

magnetic levigation

23.

non magnetic substances are

a)

wood

b)

iron

c)

paper

d)

cobalt

24.

What do magnets stick to

a)

Copper

b)

Iron

c)

Wood

d)

Plastic

25.

_______ is a natural magnet

a)

Magnetite

b)

Iron

c)

Poles

26.

Magnet looses it magnetic power on

a)

Heating

b)

Hammering

c)

Dropping from height

d)

All of these

27.

All natural magnets are

a)

Strong magnets

b)

Weak Magnets

c)

Bar shaped magnets

d)

All of these

28.

When two same poles are brought together

a)

They attract each other

b)

They repel each other

c)

They become cold

d)

They align in N-S direction

29.

. What would we call a nail that can pick up a paperclip because it is touching a magnet?

a)

Temporary magnet

b)

Poles

c)

Force

d)

Detector

30.

Which object would a magnet attract?

a)

a glass bottler

b)

a piece of paper

c)

a metal paper clip

d)

a rubber eraser

31.

True or False: All metals are attracted to magnet.

a)

TRUE

b)

FALSE

32.

Which two metals will be attracted by a magnet?

a)

Iron and cobalt

b)

Gold and Silver

c)

Aluminium and Lead

d)

Copper and Cobalt

33.

What is the name of a magnet created by wrapping a current-carrying wire around a ferromagnetic core?

a)

Temporary magnet

b)

Electromagnet

c)

Permanent magnet

34.

Where on a magnet is the force the strongest

a)

Poles

b)

Middle

c)

Repel

35.

The further two magnets are apart, the __________________ the force of magnetism.

a)

Stronger

b)

Weaker

c)

Same

36.

Amy used a magnet to hold one piece of paper on the refrigerator. Later, she tried to use the same magnet to hold a stack of four pieces of paper, and the magnet wouldn't stick to the fridge. Why did this happen

a)

The magnet needs glue

b)

The magnet couldn't hold due to the thickness of the paper

c)

Paper repels magnets

d)

A magnet isn't attracted to the refrigerator

37.

A magnet will pick up a nail, but not a penny because the nail

a)

has rust on it

b)

is lighter than penny

c)

Has sharp points

d)

Contains iron

38.

Where on a magnet is the force the strongest

a)

Poles

b)

Middle

c)

Repel

39.

Major part of the air is constituted by ?

a)

Nitrogen

b)

Oxygen

c)

Carbon dioxide

d)

Inert gases

40.

What is air ?

a)

A mixture

b)

A pure substance

c)

An element

d)

Anything , that depends on the place where it is found

41.

Envelope of air that surrounds the earth is known as .

a)

Biosphere

b)

Atmosphere

c)

Environment

d)

Ecosystem

42.

Which is not a property of air ?

a)

It occupies space

b)

It is transparent

c)

It is a solution

d)

It is a compound

43.
a)

Air is everywhere . It is present evn in the empty bottle .

b)

Air does not have any colour and it is transparent .

c)

Air has weight

d)

Air occupies space

44.

Contains few gases and fire dust particles .

a)

Wind

b)

Vapour

c)

Atmosphere

d)

Smoke

45.

Mountaineers carry cylinders with them .

a)

Carbon Dioxide

b)

Nitrogen

c)

Water

d)

Oxygen

46.

What is the percentage of nitrogen and oxygen in air ?

a)

98 %

b)

99 %

c)

97 %

d)

100 %

47.

Which of the following processes need oxygen ?

a)

Combustion

b)

Respiration

c)

Oxidation

d)

All of Above

48.

When we heat water , we find bubbles coming from it . This shows that -:

a)

Water contains air

b)

Air contains water

c)

Water itself converts into bubbles

d)

Water contains dissolved minerals

49.

The Distance Between Delhi And Mumbai Is Usually Expressed In Units Of:

a)

[A]. Decameter

b)

[B]. Meter

c)

[C]. Centimeter

d)

[D]. Kilometer

50.

The Height Of A Man Is 1.56 M. This Height Is Equal To:

a)

[A]. 1560 mm

b)

[B]. 156 mm

c)

[C]. 15.6 mm

d)

[D]. 1560 cm

51.

Ramu Completed Her Science Chapter Where She Wrote Some Statements. She Wants To Know Which Statements is wrong? He Wants To Take Help From You:

a)

[A]. The motion which repeats itself after regular intervals of time is called periodic motion.

b)

[B]. The revolution of earth around the sun is a periodic motion.

c)

[C]. The revolution of moon around the earth is also a periodic motion.

d)

[D]. None of the above

52.

Which Of The Following Modes Of Transport Is Not Based On The Invention Of Wheel?

a)

[A]. Bullock cart

b)

[B]. Boat

c)

[C]. Bicycle

d)

[D]. Bus

53.

Which one of the following is the smallest unit of length?

a)

(a) mm

b)

(b) km

c)

(c) cm

d)

(d) m

54.

The length of curved line can be measured using a

(a)  

55.

means the change in position of an object with time.



(a)  

56.

is the distance between two points or ends of an object.

(a)  

57.

The type of motion in which a body moves along a straight path.

(a)  

58.

Which unit of length is used to measure a large distance?

(a)  

59.

THIS IS A MODE OF TRANSPORT BY

a)

AIR

b)

WATER

c)

LAND

60.

THIS SYSTEM OF MEASUREMENT IS CALLED

a)

NON STANDARD UNIT

b)

STANDARD UNIT

c)

NONE OF THESE

61.

THIS INSTRUMENT IS USED TO MEASURE

a)

TEMPERATURE

b)

HEIGHT

c)

WEIGHT

d)

NONE OF THESE

62.

WHAT TYPE OF MOTION IS THIS

a)

CIRCULAR

b)

RECTILINEAR

c)

RANDOM

63.

WHAT TYPE OF MOTION IS THIS ?

a)

CIRCULAR

b)

RANDOM

c)

PERIODIC

d)

NONE OF THESE

64.

Which type of joint is present in our elbow and knee?

a)

Pivot joint

b)

Ball and socket joint

c)

Hinge joint

d)

None of these

65.
The two bones of the lower arm are
a)
tibia and fibula
b)
femur and humerus
c)
 ulna and radius
d)
humerus and radius
66.

Upto which angle ball and socket joint can move?

a)

180 angle

b)

360 angle

c)

90 angle

67.

Select true' or false: Our knee does not have any joint.

a)

True

b)

False

68.

The type of joint in which a cylindrical bone rotates in a ring is which of the following types of joint?

a)

Ball and socket joint

b)

Pivotal joint

c)

Hinge joint

d)

Fixed joint

69.

Lower jaw is immovable.

a)

True

b)

False

70.

The only movable bone in the skull is

a)

the upper jaw bone

b)

Lower jaw

71.

Which type of joint is present between our neck and head?

a)

Ball and socket joint

b)

Pivot joint

c)

Hinge joint

72.

Which of the two allows a greater movement of bones

a)

a ball and socket joint

b)

a hinge joint

c)

Both

73.

Skeleton of human body is made up of

a)

Cartilage

b)

Bones

c)

Both cartilage and bones

d)

None of the above

74.

which part of the plant transferred the water from roots to the leaves

a)

stem

b)

flower

c)

bud

d)

fruit

75.

which one of the following does not have branches ?

a)

neem tree

b)

oak tree

c)

banyan tree

d)

coconut tree

76.

Plants take carbon dioxide from air through tiny openings found in the :

a)

fruits

b)

roots

c)

leaves

d)

stems

77.

which of the following is not a climber

a)

money plant

b)

sweet gourd

c)

bottle gourd

d)

passion flower

78.

which of this is not used in the process of photosynthesis

a)

water

b)

sunlight

c)

oxygen

d)

carbon dioxide

79.

in which form the food is stored in the leaves

a)

starch

b)

proteins

c)

carbohydrates

d)

roughage

80.

Wheat is an example of

a)

Herb

b)

Shrub

c)

Tree

d)

Creeper

81.

Plants with green and tender stems are called-

a)

HERBS

b)

CREEPERS

c)

SHRUBS

d)

NONE

82.

Which part of the plant supplies water to the leaf-

a)

PETALS

b)

STEM

c)

BOTH A AND B

d)

NONE

83.

In which plant does the stem perform the main function of a leaf

a)

Mango

b)

Cactus

c)

Potato

d)

Carrot

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