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SCIENCE REVISION

Total questions: 121

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
Given below are names of some animals:(i) Goat(ii) Human beings(iii) Cockroach(iv) EagleWhich of the above animals form a pair of omnivores?
a)
(i) and (ii)
b)
(ii) and (iii)
c)
(iii) and (iv)
d)
(ii) and (iv)
2.
Honeybee makes honey from
a)
pollen
b)
petals
c)
nectar
d)
bud
3.
The part of a banana plant not used as food is
a)
flower
b)
fruit
c)
stem
d)
root
4.
Read each set of terms and identify the odd set
a)
Cow, milk, butter
b)
Hen, meat, egg
c)
Goat, milk, meat
d)
Plant, vegetable, butter milk
5.
The ingredients reqired to prepare pumkin curry
a)
pumkin
b)
pumkin salt, oil, spices
c)
pumkin, salt
d)
pumkin ,oil
6.
We get the ATTA(FLOUR) which maximum people eat here comes from
a)
rice
b)
corn
c)
wheat
d)
rye
7.
Maida is generally produced from
a)
Wheat
b)
rice
c)
rye
d)
corn
8.
Which of the following is a cereal?
a)
Rice
b)
Onion
c)
Carnivore
d)
Bean
9.
Why do the boiled seed fail to sprout
a)
lost all food
b)
living part is killed
c)
both
d)
both are incorrect
e)
s
10.

We eat roots of _______

a)

Mustard

b)

Rajma

c)

Chilli

d)

Radish

11.

We eat____________of cabbage.

a)

stem

b)

fruits

c)

leaves

d)

seeds

12.

Materials required to prepare a food item are called _________

a)

Nutrients

b)

Ingredients

c)

Nourishments

d)

Minerals

e)

Food

13.

Germinating seeds are known as

a)

Sapling

b)

Sprouts

c)

Vegetation

d)

None of the above

14.

Where do French fries come from?

a)

rice

b)

wheat

c)

maple sap

d)

potatoes

15.

Which of the following is not a milk product?

a)

cheese

b)

butter

c)

honey

d)

yogurt

e)

Curd

16.

What are not the ingredients of preparing chicken curry?

a)

Chicken

b)

Spice

c)

Oil

d)

Pumpkin

17.

Which of the following gives eggs?

a)

Duck

b)

Cow

c)

Goat

d)

Donkey

18.

Kidney beans, grams, urad dal are rich in?

a)

Spices

b)

Ingredients

c)

Nourishments

d)

Proteins

19.

Edible part in lettuce and spinach is

a)

Stem

b)

Roots

c)

Leaves

d)

Seeds

20.

What is rice?

a)

A grain

b)

A fruit

c)

A vegetable

d)

A tuber

21.

This food is reach in ...

a)

Carbs

b)

Proteins.

c)

Potatoes.

22.

Which one of the following nutrients gives us energy to do work?

a)

Proteins

b)

Carbohydrates

c)

Vitamins

d)

Minerals

23.

Which one of the following is not true about balanced diet?

a)

A balanced diet does not contain roughage

b)

A balanced diet does not contain fats

c)

A balanced diet does not contain proteins

d)

All of these

24.

Which one of the following is a deficiency disease?

a)

Beri-beri

b)

Scurvy

c)

Rickets

d)

All of these

25.

Name the disease which occur due to deficiency of vitamin A.

a)

Night blindness

b)

Marasmus

c)

Scurvy

d)

None of these

26.

Name the mineral whose deficiency causes goitre.

a)

Calcium

b)

Phosphorus

c)

Iron

d)

Iodine

27.

Which one of the following food substances is the rich source of carbohydrates?

a)

Oil

b)

Meat

c)

Green vegetables

d)

Cereals

28.

Which one of the following minerals is an essential for developing strong bones and teeth?

a)

Calcium and phosphorus

b)

Iodine and sodium

c)

Iron and phosphorus

d)

Sodium and iron

29.

Picture shows the legs of a man affected with rickets, which caused due to the deficiency of:

a)

Vitamin C

b)

Vitamin D

c)

Iodine

d)

Proteins

30.

Repeated washings of rice may result in lost of

a)

vitamins

b)

minerals

c)

both vitamins and minerals

d)

neither of vitamins nor of minerals

31.

Deficiency of ................. causes a disease known as beri -beri .

a)

vitamin B1

b)

vitamin C

c)

vitamin K

d)

vitamin D

32.

Which vitamin gets easily destroyed by heating during cooking?

a)

vitamin A

b)

vitamin C

c)

vitamin D

d)

vitamin B

33.

Eating too much of fats may leads to a disease called .............

a)

obesity

b)

scurvy

c)

rickets

d)

Beri-beri

34.

Which of them does not provide any nutrient to our body ?

a)

carbohydrates

b)

vitamins

c)

minerals

d)

roughage

35.

What are two chemicals used in test for protein ?

a)

iodine & caustic soda

b)

caustic soda & copper sulphate

c)

iodine & copper sulphate

d)

sulphuric acid & caustic soda

36.

Out of carbohydrates and fats which nutrient provides us more energy ?

a)

carbohydrates

b)

fats

37.

Which vitamin is prepared by our body in the presence of sun light ?

a)

vitamin A

b)

vitamin K

c)

vitamin D

d)

vitamin B

38.

Sources of iodine are

a)

milk & eggs

b)

salt & sea food

c)

wheat & rice

d)

ghee & butter

39.

Full form of P E M

a)

Protein energy malnutrition

b)

Protein enzyme management

c)

Primary energy malfunction

d)

Primitive enzyme management

40.

Starch can be tested by using

a)

Tincture Iodine

b)

Caustic Soda

c)

Copper Sulphate

d)

Fehling solution

41.

Yarn is made from fibres.

a)

true

b)

false

42.

Jute is popularly known as Golden fibre.

a)

True

b)

False

43.

The process of removing seed from cotton is called ginning.

a)

True

b)

False

44.

Nylon is an example of

(a)  

45.

The processing of cotton involves the following steps- picking, (a)   and spinning.

46.

What are natural fibres produced from?

a)

animals

b)

plants

c)

animals and plants

d)

chemicals

47.

Which of these comes from animal sources? (choose any that apply)

a)

wool

b)

cotton

c)

rayon

d)

silk

48.

Which of these is a synthetic fibre? (choose any that apply)

a)

polyester

b)

nylon

c)

rayon

d)

acrylic

49.

Which one of the following is known as artificial silk?

a)

coir

b)

acrylic

c)

rayon

d)

polyester

50.

Which fabric would be best used for hotter climates or in the summer?

a)

silk

b)

wool

c)

nylon

d)

cotton

51.

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

52.

Wool & silk are-

a)

Aminal fibre

b)

Plant fibre

c)

Synthetic fibre

d)

Animal fibre

e)

Synthetic nylon

53.

What type of fabric is this?

a)

woven

b)

knitted

54.

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

55.

Retting is carried out in jute

a)

after weaving

b)

after spinning

c)

before spinning

56.

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

a)

weaving

b)

knitting

57.

Second most widely used fibre after cotton is

a)

Silk

b)

Jute

c)

Coir

d)

Flax

58.

Which of the following fibre is not obtained from the animal

a)

Leather

b)

Wool

c)

Silk cotton

d)

Silk

59.

Which fibre is used for making gunny bags?

a)

wool

b)

Jute

c)

Silk

d)

Cotton

60.

Fibres obtained from plants and animals are called

a)

Animal fibre

b)

Plant fibre

c)

synthetic fibre

d)

Natural fibre

61.

Which of the following materials is hard, opaque and shines?

a)

Rubber

b)

Plastic

c)

Wood

d)

Tin

62.

Which property of clay is useful for making pots and bricks?

a)

Opacity

b)

Non-magnetic nature

c)

A good conductor of heat

d)

malleability

63.

Which of the following materials is suitable to make raincoats?

a)

Cotton

b)

Plastic

c)

Silk

d)

Paper

64.

Why are most of the balloons, tyres and footballs made of rubber?

a)

It is naturally available.

b)

It is cheap.

c)

It is an electrical insulator.

d)

It is soft and flexible.

65.

If opacity is the distinct feature of wood, then what is glass known for in the same way?

a)

Its transparency

b)

Its magnetic nature

c)

Its conductivity to heat

d)

Its lustrous nature

66.

A mirror is

a)

opaque.

b)

transparent

c)

translucent.

d)

flexible

67.

When Amrita was asked to pick up a few articles from a collection, she picked up the following:

Wooden scale

Glass test tube

Paper basket

Which of the following articles is she most likely to pick up the next

a)

Steel cup

b)

Iron chain

c)

Rubber gloves

d)

Copper wire

68.

Which characteristics given below are of metals?

(i) They are hard.

(ii) They have lustre.

(iii) They are good conductors of electricity

a)

Only (i) and (ii

b)

Only (ii) and (iii)

c)

Only (i) and (iii)

d)

i), (ii) and (iii)

69.

Why are paper bags preferred over plastic bags?

a)

Paper bags are lighter.

b)

Paper bags are stronger.

c)

Paper bags are cheap

d)

Paper bags are biodegradable.

70.

A vendor sells white powdered salt mixed with white powdered stone. Which of these properties will help you detect his malpractice?

a)

Ductility

b)

Opacity

c)

Density

d)

Solubility

71.

Door locks are made of metals. Which property of metals is made use of?

a)

They have lustre

b)

They are opaque

c)

They are good conductors of heat.

d)

They are hard and strong

72.

Kerosene does not dissolve in water. What are they called?

a)

Immiscible liquids

b)

Solute and solvent

c)

Solvent and solution

d)

Miscible liquids

73.

Which is the most essential property of a substance to be used as a cooking vessel?

a)

Good conductor of heat

b)

Ductility

c)

Malleability

d)

All of the above

74.

Which of the combinations is the odd one out?

a)

Ink and water

b)

Milk and water

c)

Oil and water

d)

Lime juice and water

75.

Which of the following type of bodies form sharp shadows when placed in the path of light?

a)

Transparent

b)

Translucent

c)

Transparent and translucent

d)

Opaque

76.

Mohan is able to bend the rod because it is

a)

light.

b)

hard

c)

water proof.

d)

flexible

77.

student added blue ink to a beaker containing water. After a few minutes the colour of water changed to blue.

Which of these properties led to this colour change?

a)

Miscibility

b)

Malleability

c)

Ductility

d)

Compressibility

78.

Abhi bought an object. It is made of a hard material. It is fragile (easy to break) and allows light to pass through it.What can the object be?

a)

Shoes

b)

Mirror

c)

Cricket bat

d)

Fish tank

79.

Which of these properties of water helps in the washing of clothes?

a)

Transparency


b)

Solubility

c)

Conductivity

d)

Compressibility

80.

Hussain was applying paint on the wall during which some of the paint fell on his hands. Instead of using water, Hussain used kerosene oil to wash his hands.

Which of the following options explains Hussain's decision?

a)

Kerosene is softer than water.

b)

Kerosene smells better than water.

c)

Paints dissolve in kerosene and not in water.

d)

Kerosene is more easily available than water.

81.

The process of settling down of particles of a solid in a liquid is

a)

Sublimation

b)

Sedimentation

c)

Filtration

d)

Decantation

82.

The solubility ____________ with increase in temperature.

a)

doesn't change

b)

decreases

c)

increases

83.

While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

a)

Threshing

b)

Sieving

c)

Winnowing

d)

Filtration

84.

What is the process that is used to separate grains from stalks called?

a)

handpicking

b)

threshing

c)

sieving

d)

winnowing

85.

When is the solution saturated?

a)

No more salt can be dissolved in the amount of water we have taken

b)

Lot more salt can be added

c)

You have to add some sugar into the solution

d)

None of the above

86.
The diagram shows the apparatus for separating soil and water. What are the labelled parts?
a)
A = distillate, B = filtrate
b)
A = filtrate, B = residue
c)
A = residue, B = filtrate
d)
A = residue, B = distillate
87.

Which separation technique uses the apparatus shown in the diagram?

a)

filtration

b)

evaporation

c)

distillation

d)

chromatography

88.
What is the boiling point of water?
a)
0oC
b)
100oC
c)
80oC
d)
95oC
89.
Filtration can be used to separate...
a)
an insoluble solid from a solution
b)
a soluble solid from a solution
c)
a dissolved solid from a solution
90.

What separation technique does the picture show?

a)

Sieving

b)

filtering

c)

magnetic separation

d)

Distillation

91.

Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?

a)

Decanting

b)

Filtering

c)

Sieving

d)

Distillation

92.

You had these materials together but after performing a separation technique, you have these five groups. Which separation technique did you use?

a)

Distillation

b)

Decanting

c)

Paper chromatography

d)

Sieving

93.
Which technique is shown the diagram below
a)
seiving
b)
filtration
c)
decanting
d)
crystallization
94.
Which one of the following is the name for separation technique in the picture below
a)
distillation
b)
dissolving
c)
evaporation
d)
decanting
95.
An example of a mixture is 
a)
Water and oil
b)
Cereal and Milk 
c)
Sand and water 
d)
All of the above
96.
The drops of water that appear on the outside of a glass of cold water on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
97.
Iron and copper screws could be separated using a magnet because
a)
iron is magnetic, copper is not
b)
copper is magnetic, iron is not
c)
neither metal is magnetic
d)
copper screws are heavier than iron and fall off the magnet
98.
What is a mixture?
a)
A chemical combination of two or more different substances.
b)
A physical combination of two or more different substances.
c)
A chemically pure substance.
d)
A special type of solution
99.

What is the purpose of Filtration?

a)

Separating and insoluble solid from a liquid

b)

Separation of a mixture of 2 solids

c)

Separates heavier substances from a suspension

100.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

101.
One of the following does not have a hinge joint
a)
1.  jaw 
b)
 elbow
c)
Knee
d)
shoulder
102.
The two bones of the lower arm are
a)
tibia and fibula
b)
femur and humerus
c)
 ulna and radius
d)
humerus and radius
103.
Which of the following are ball and socket joints?---
A) elbow joint
B)shoulder joint
C) Knee joint
D)Hip joint
a)
 a) A and B  
b)
b) B and C
c)
c) A and C
d)
d) B and D
104.

The main purpose of the muscular system is to....

a)

Transport nutrients, materials, and gases

b)

Move the body

c)

Break down food for nutrients

d)

Help with gas exchange

105.

Which of the following statements best describe how the arm bends at the elbow?

a)

Bicep contracts to bend arm at the elbow while the tricep relaxes.

b)

Bicep contracts to bend arm at the elbow

c)

Tricep contracts to bend arm at the elbow

d)

Tricep contracts to bend arm at the elbow while the bicep relaxes.

106.

Skeletal muscles always work in _____

a)

pairs

b)

groups of 3

c)

bones

d)

joints

107.

Rib cage protects -

a)

Heart

b)

Lungs

c)

Ears

d)

Mouth

108.

The framework of bones is called ___________

a)

Ear

b)

Joint

c)

Skeleton

d)

All of the above

109.

Can the upper jaw of the skull move ?

a)

Yes

b)

No

c)

Can't be difined

d)

Don't Know

110.

A bird has (a)   Bones .

111.

The strong muscle of Snail is called

a)

foot

b)

shoot

c)

shell

d)

bones

112.

identify the insect which can climb, fly and have outer skeleton.

a)

Snail

b)

Cockroach

c)

Earthworm

d)

snake

113.

Which part of birds is modified as wings?

a)

Hindlimbs

b)

Shoulder

c)

Forelimbs

d)

Beak

114.

Choose the adaptation which is correct for movement of fish.

a)

Shape of the body is streamlined

b)

Head and tail of fish are bigger than middle portion

c)

Fins help to keep the balance of the body.

d)

Fish moves by forming loops

115.

The snakes's body curves into many (a)   .

116.

The bones at the elbow are joined by a

a)

hinge joint

b)

pivot joint

c)

ball and socket joint

d)

gliding joint

117.

what is a cartilage

a)

soft tissue present between two bones

b)

joint that allows slight movement

c)

framework of bones

d)

a thick fibrous tissue

118.

what type of joint is this

a)

flat bone

b)

ball and socket joint

c)

irregular bone

d)

gliding joint

119.

Which part of the human skeleton protects our brain

a)

spine

b)

skull

c)

limbs

d)

backbone

120.

Which of these is not a function of the muscles

a)

provide support to the body

b)

help maintain posture whether a person is sitting or standing

c)

help us breathe, digest food and absorb shocks

d)

protect delicate internal organs of the body

121.

The joint where the skull meets the neck is a

a)

gliding joint

b)

ball and socket joint

c)

hinge joint

d)

Pivot joint

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