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CLASS 6 REVISION WORKSHEET

Total questions: 126

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What is a place where garbage is taken and piled up ?

(a)  

2.

What color does a recycle bin use ?

a)

Red

b)

Green

c)

Gray

d)

Blue

3.

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 using less waste

4.

What do red worms have instead of teeth ?

a)

Claws

b)

Gizzard

c)

They don't have any use of teeth or any of its alternatives.

5.

Creating compost with _________ is called vermicomposting.

a)

Centipedes

b)

Earth Worms

c)

Red Worms

d)

Black Worms

6.

What is safe to give to Red Worms ?

a)

Vegetables

b)

Salt

c)

Oil

d)

Fruits

7.

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.

8.

Garbage contributes to (a)   ?

9.

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

a)

Because it is banned by law.

b)

Because it bad for the soil.

c)

Because it starts a fire.

d)

Because plastic is cannot rot.

10.

How many years on average can plastic bags take to decompose ?

a)

1 to 10 seconds

b)

10 to 1000 years

c)

10 to 50 centuries

d)

2 to 4 decades

11.

Safai karamcharis collect the garbage in trucks and take it to low lying open area, called a ______________

a)

Landfill

b)

londfill

c)

waterfill

d)

airfill

12.

the rotting and conversion of some materials into manure is called _________

a)

composting

b)

decomposing

c)

producing

13.

You must have observed from this activity that some things in the garbage rot. They form____________ which is used for the plants

a)

manure

b)

purity soil

c)

clean water

14.
mirror
a)
absorbs
b)
reflects 
c)
refracts
15.
rainbow
a)
light is reflected
b)
light is refracted
c)
light is absorbed
16.
The bending of light when it moves from one material to another.
a)
reflection
b)
absorption
c)
prism
d)
refraction
17.
An example of opaque.
a)
metal spoon
b)
wax paper
c)
window
d)
frosted glass
18.

How many images are obtained when plane mirrors are arranged parallel to each other?

a)

Single Image

b)

Zero image

c)

Infinite number of images

d)

Ten images

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.

A substance which allows electricity to pass through it is called

a)

a conductor

b)

an insulator

c)

semiconductor

d)

superconductor

21.

Which is an example of an insulator

a)

bakelite

b)

aluminium

c)

tap water

d)

All of these

22.

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

23.

Filament of a bulb is made up of

a)

aluminium

b)

chromium

c)

platinum

d)

tungsten

24.

A ______ provides us with electricity

a)

power station

b)

house

c)

factories

d)

industires

25.

The process of converting gas directly into solid?

a)

a) Condensation

b)

(b) Sublimation

c)

(c) decomposition

d)

(d) evaporation

26.

Which of the following is a reversible change?

a)

(a) burning of forests

b)

(b)Ripening of fruits

c)

(c) burning of candle

d)

(d) Melting of ice

27.

Can you obtain wood from sawdust?

a)

No

b)

Yes

c)

I don't know

d)

None of these

28.

Can we say that ironing of a cloth is a reversible change?

a)

Yes

b)

No

c)

Both, yes & no.

d)

I don't know

29.

Can deforestation be considered as a reversible change?

a)

No

b)

Yes

30.

State whether burning of a piece of paper is a reversible or an irreversible change.

a)

Its a irreversible change.

b)

Its a reversible change.

31.

A small quantity of curd is added to warm milk. The milk is stirred and is set aside undisturbed for a few hours at a warm place. In a few hours, the milk changes into curd. Is this change reversible?

a)

No, its Irreversible.

b)

Yes, its reversible.

c)

I don't know

d)

The question is inappropriate.

32.

Which of the following changes can be reversed?

a)

Raw egg to boiled egg

b)

Wet clothes to dry clothes

c)

Bud to flower

d)

Cow dung to biogas

33.

Which of the following changes cannot be reversed?

a)

Milk to paneer

b)

Cold milk to hot milk

c)

Yam to knitted sweater

d)

Wet clothes to dry clothes

34.

Metal rim is fixed to the wooden cart wheel by

a)

heating metal rim

b)

heating wooden wheel

c)

cooling metal rim

d)

cooling wooden wheel

35.

Which of the following is not a man-made change?

a)

Change of day and night

b)

Burning of fuels

c)

Drying of clothes

d)

Tearing of paper

36.
Define chemical change
a)
An irreversible chemical reaction involving the rearrangement of the atoms of one or more substances
b)
A reversible reaction
c)
Chemicals become seperate
d)
I don't know
37.
Changing liquid to a gas is called
a)
evaporation
b)
condensation
c)
melting
d)
freezing
38.
What is happening in the statement below?
The ice cube melted.
a)
Matter is changing from a liquid to a solid.
b)
Matter is changing from a liquid to a gas.
c)
Matter is changing from a solid to a liquid.
d)
Matter is changing from a gas to a liquid.
39.
The picture shows an example of a ______________ change.
a)
chemical
b)
physical
c)
irreversible
d)
freezing
40.
Which of these is a result of a physical change?
a)
A new odor
b)
A new gas
c)
A new chemical substance
d)
A solution
41.
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
a)
evaporation; chemical change
b)
condensation; physical change 
c)
evaporation; physical change
d)
condensation; chemical change
42.
Ms. Johnson gave all of her students a box of M&M's  but one of them was allergic to red dye.  What must the student do to make sure that the candy is safe for him to eat?
a)
Make a new mixture which is a physical change.
b)
Separate the mixture which is a physical change.
c)
 Make a new substance which is a physical change.
d)
Make a new substance which cannot be reversed.
43.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
44.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
45.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
46.

Growth of animals and plants

a)

chemcial change

b)

physical change

c)

I don't know

d)

Reversible change

47.
a)

PHYSICAL CHANGE

b)

CHEMICAL CHANGE

c)

REVERSIBLE CHANGE

d)

IRREVERSIBLE CHANGE

48.
a)

PHYSCIAL CHANGE

b)

IRRIVERSIBLE CHANGE

c)

REVERSIBLE CHANGE

d)

CHEMICAL CHANGE

49.

Kajal left her hammer outside. When she found it a few months later, some parts of the metal were covered with flaky, brown rust. Which type of change occurred when rust formed on the hammer?

a)

chemical

b)

electrical

c)

thermal

d)

physical

50.

What joint is this?

a)

Fixed Joint

b)

Ball and Socket joint

c)

Hinge Joint

d)

Pivot Joint

51.

How many vertebrae are present in human body

a)

33

b)

56

c)

22

d)

23

52.

Name the type of this joint

a)

Hinge Joint

b)

Ball and Socket Joint

c)

Pivot Joint

53.

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

54.
The two bones of the lower arm are
a)
tibia and fibula
b)
femur and humerus
c)
 ulna and radius
d)
humerus and radius
55.

Upto which angle ball and socket joint can move?

a)

180 angle

b)

360 angle

c)

90 angle

56.

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

a)

True

b)

False

57.

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

58.

The only movable bone in the skull is

a)

the upper jaw bone

b)

Lower jaw

59.

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

a)

Ball and socket joint

b)

Pivot joint

c)

Hinge joint

60.

Which of the two allows a greater movement of bones

a)

a ball and socket joint

b)

a hinge joint

c)

Both

61.

Skeleton of human body is made up of

a)

Cartilage

b)

Bones

c)

Both cartilage and bones

d)

None of the above

62.

1. Patella bone is located on ___________

a)

knee

b)

ankle

c)

wrist

d)

palm

63.

2. Muscles are attached to bone by __________

a)

tendon

b)

cartilage

c)

ligament

d)

nerves

64.

3. A fluid that lubricates the bones is ______________

a)

synovial

b)

oil

c)

blood

d)

ligament

65.

4. Longest bone of a human body is ___________

a)

radius

b)

ulna

c)

femur

d)

fibula

66.

5. The example of ball & socket joint is ____________

a)

shoulder

b)

skull

c)

ankle

d)

knee

67.

6. The human skull consists of ___________ bones.

a)

18

b)

16

c)

22

d)

33

68.

8. The joint present between the bones of skull is a __________

a)

hinge joint

b)

fixed joint

c)

pivot joint

d)

ball & socket joint

69.

9. Which of the following organs is/are protected by the rib cage?

a)

heart

b)

lungs

c)

kidneys

d)

all of these

70.

Skeleton of human body is made up of

a)

Cartilage

b)

Bones

c)

Both cartilage and bones

d)

None of the above

71.

Hip joint is

a)

Hinge joint

b)

Pivotal joint

c)

Fixed joint

d)

Ball and socket joint

72.

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

73.

Which of the following are the characteristics of the birds?

a)

Light bones

b)

Hollow bones

c)

Strong muscles

d)

Forelimbs modified as wings

74.

Hinge joint can allow movement upto

a)

360 degree

b)

90 degree

c)

45 degree

d)

180 degree

75.

RED BLOOD CELLS ARE MADE IN ________

a)

HEART

b)

BONE MARROW

c)

MUSCLES

d)

NONE OF THESE

76.

what is the sequence of the hierarchy of living organism

a)

molecule, atom, macramolecule, cell, organ, tissues, organ system

b)

atom, molecule, macromolecule, cell, tissue, organ, organ system

c)

atom molecule macromolecule cell tissues organ

d)

none of these

77.

backbone is also known as

a)

vertebral column

b)

spine

c)

limbs

d)

girdles

78.

lower jaw is also known as

a)

femur

b)

spine

c)

mandible

d)

none of these

79.

there are total how many ribs

a)

1 pair

b)

13 pair

c)

14 pair

d)

12 pairs

80.

which of them is a example of immovable joints

a)

mandible

b)

suture

c)

facial bones

d)

hip girdle

81.

there are total how many bones in a new born

a)

206

b)

234

c)

235

d)

over 300

82.

which is the longest bone in our body

a)

back bone

b)

skull

c)

femur

d)

none of these

83.

snail has which type of skeleton

a)

endoskeleton

b)

exoskeleton

c)

both

d)

none of these

84.

Question 2. Name the three components of skeletal system

a)

bones

b)

femur

c)

joints

d)

cartilage

85.

what is the pattern of the movement snake

a)

help of fin

b)

loop like structure

and in a zig zag manner

c)

help of wings

d)

none of these

86.

cells are the smallest part of our body

a)

true

b)

false

87.

THERE ARE 7 TYPES OF ORGAN SYSTEM

a)

TRUE

b)

FALSE

88.

what are the parts of the nervous system

a)

nerves, brain, spinal cord

b)

bones

c)

lungs

d)

heart, blood vessels

89.

the longest bone is back bone

a)

true

b)

false

90.

what is atom

a)

atom is the smallest and the most fundamental unit of matter

b)

atom is matter

c)

atom can be broken into simpler substances

d)

none of these

91.

unjumble the following:

amdnileb

(a)  

92.

unjuble the following:

mufer

(a)  

93.

lulsk

(a)  

94.

unjumble the following:

aritlgeac

(a)  

95.

unjumble the following:

sekletxono

(a)  

96.

total muscles

a)

aproximately

650

b)

123

c)

234

d)

206

97.

Skeleton of human body is made up of

a)

Cartilage

b)

Bones

c)

Both cartilage and bones

d)

None of the above

98.

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

99.

An earthworm is able to move with the help of its

a)

Bones

b)

Bones and muscles

c)

Muscles

d)

Shell

100.

Muscular foot is a locomotary organ in

a)

Snakes

b)

Cockroach

c)

Earthworms

d)

Snails

101.

Which of the following organs are protected by the rib cage

a)

Stomach

b)

Heart

c)

Lungs

d)

Both heart and lungs

102.

Hip joint is

a)

Hinge joint

b)

Pivotal joint

c)

Fixed joint

d)

Ball and socket joint

103.

Which of the following are the functions of the skeleton

a)

Gives support to the body

b)

Protects inner organs

c)

Give shape to the body

d)

All of the above

104.

How many pairs of ribs do a human body have?

a)

20 pairs

b)

12 pairs

c)

6 pairs

d)

24 pairs

105.

What is a joint?

a)

A place where two muscles come together

b)

A place where a bone and a muscle come together

c)

A place where two bones come together

d)

All of the above

106.

Which of the following does not have an exoskeleton?

a)

Cockroach

b)

Humans

c)

Both

d)

None

107.

The up and down movement of our arm is controlled by two muscles and they are:

a)

Tendons and ligaments

b)

Biceps and Triceps

c)

Ball and Socket Joints

d)

Cartilage, ligaments

108.

The skeleton which is inside the body is known as _______. The skeleton which is outside the body is known as _______.

a)

invertebrates, vertebrates

b)

vertebrates, invertebrates

c)

exoskeleton, endoskeleton

d)

endoskeleton, exoskeleton

109.

Which part of birds is modified as wings?

a)

Hindlimbs

b)

Shoulder

c)

Forelimbs

d)

Beak

110.

The bones at the elbow are joined by a

a)

hinge joint

b)

pivot joint

c)

ball and socket joint

d)

gliding joint

111.

Which part of the human skeleton protects our brain

a)

spine

b)

skull

c)

limbs

d)

backbone

112.

A muscle can ....

a)

Pull only

b)

Walk only

c)

Push only

d)

Both push and pull

113.

Vertebral column of man has _______ vertebrae (bones).

a)

28

b)

30

c)

32

d)

33

114.

Streamlined body is found in

a)

Birds only

b)

Birds and fish

c)

Fish only

d)

Frog

115.

In which letter shape the snake moves ?

a)

A

b)

B

c)

S

d)

H

116.

The teacher showed this picture to the students. Which joint is the teacher possibly trying to show to the students?

a)

Pivotal

b)

Hinge

c)

Fixed

d)

Ball and Socket

117.

________ helps to grip the surface on which the earthworm is moving.

a)

Setae

b)

Circa

c)

Foot

d)

Mucus

118.

The act of moving from one place to another is known as _______________

a)

Movement

b)

Locomotion

c)

Speed

119.

The contraction of the ___________pulls the bones during movement

a)

Bones

b)

Muscles

c)

Both bones and muscles

d)

none

120.

Hip joint is

a)

Hinge joint

b)

Pivotal joint

c)

Fixed joint

d)

Ball and socket joint

121.

How many muscles are needed to move a bone ?

a)

2

b)

4

c)

3

d)

7

122.

Cockroaches have an endoskeleton.

a)

TRUE

b)

FALSE

123.

Which part of the bird is used for walking?

a)

Forelimb

b)

Hindlimb

c)

Beak

d)

Wings

124.

Snakes do not have bones?

a)

True

b)

False

125.

Choose the odd one out based on the type of joint present in them.

a)

Finger

b)

Elbow

c)

Knee

d)

Shoulder

126.

Which of the following pictures represents locomotion?

a)
b)
c)
d)

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