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science class 6

Total questions: 142

Worksheet time: 2hrs 22mins

Name
Class
Date
1.
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
2.

Which of the following is a cereal?

a)

Rice

b)

Onion

c)

Peas

d)

Bean

3.

We need food for

a)

Energy

b)

Protection from disease

c)

Growth

d)

All of the above

4.

One of the following plants has two parts which can be eaten as food. This plant is:

a)

wheat

b)

maize

c)

mustard

d)

Bengal gram

5.

Which part of plant it is

a)

Root

b)

Fruit

c)

Flower

d)

Leaf

6.
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)
7.

Which of the following is NOT an ingredient for preparing Dal?

a)

Pulses

b)

Kerosene

c)

Oil or Ghee

d)

Salt

e)

Spices

8.

Materials required to prepare a food item are called

a)

Nutrients

b)

Ingredients

c)

Nourishments

d)

Minerals

e)

Food

9.

Which of the following is not a milk product?

a)

cheese

b)

butter

c)

honey

d)

yogurt

e)

Curd

10.

Animals do not provide us..?

a)

Eggs

b)

Seed

c)

Meat products

d)

Milk

e)

Butter

11.

We get sugar from:

a)

Sugarcane

b)

Rice

c)

Milk

d)

Wheat

12.

Brinjal which is an ingredient in Brinjal curry is which part of the plant?

a)

Seed

b)

Flower

c)

Fruit

d)

Root

13.

We all love eating french fries. The main ingredient, potato is a:

a)

Stem

b)

Root

c)

Fruit

d)

Seed

14.

Which of the following is not a leaf?

a)

Cabbage

b)

Spinach

c)

Cauliflower

d)

Tulsi

15.

What is added to milk to set curd?

a)

Bacteria

b)

Virus

c)

Fungi

d)

Lemon

16.

Which of the following food is obtained from

the roots of the plant?

a)

Radish, carrot, turnip

b)

Potato, ginger, onion

c)

Spinach, lettuce, mint

d)

Sugarcane, onion, ginger

17.

DIRECTIONS: Match column I with column II and select answers using the code given below the columns.

a)

A→(q);B→(r);C→(p)

b)

A→(r);B→(p);C→(q)

c)

A→(p),B→(q);C→(r)

d)

A→(r);B→(q);C→(p)

18.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow.

Passage - 4 You must have seen a beehive and the bees buzzing about it. Bees collect nectar from flowers and convert it into honey and store it in their hive. Nectar is

a)

collected from flowers by bees

b)

stored by bees in their hive as such

c)

Both (a) and (b)

d)

None of these

19.

DIRECTIONS: The questions in this segment

consists of two statements, one labelled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.

Assertion A: Various materials needed to prepare a food item are called ingredients.

Reason R: To prepare a dish of boiled rice we need just two

materials.

a)

Both A and R are true and R is the correct explanation of A.

b)

Both A and R are true but R is not the correct explanation of A.

c)

A is true but R is false.

d)

A is false but R is true.

20.

Bees collect ________ from flowers and convert it into honey.

a)

Sugar

b)

Salt

c)

Nectar

d)

Water

21.

Which parts of mustard plant are edible?

a)

Root and stem

b)

Stem and leaves

c)

Leaves and root

d)

Seeds and leaves

22.

Milk, curd, paneer and ghee are

a)

Animal products

b)

Plant products

c)

Both plant and animal products

d)

None of the above

23.
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
24.

One of the following plants has two parts which can be eaten as food. This plant is:

a)

wheat

b)

maize

c)

mustard

d)

Bengal gram

25.

Materials required to prepare a food item are called

a)

Nutrients

b)

Ingredients

c)

Nourishments

d)

Minerals

e)

Food

26.

Which part of plant do we eat?

a)

Leaves

b)

Fruit

c)

Root

d)

All of these

27.

Which of the following food not obtained from animals?

a)

Maize

b)

Milk

c)

Egg

d)

Mutton

28.

Which of the following food not obtained from plants?

a)

Carrot

b)

Mango

c)

Moong Dal

d)

Butter

29.

Which of the following is not a root of its plant?

a)

Carrot

b)

Radish

c)

Potato

d)

Turnip

30.

What is rice?

a)

a grain

b)

a fruit

c)

a vegetable

d)

a tuber

31.

Rice,wheat,maize are rich in

a)

proteins

b)

fat

c)

carbohydrates

d)

none of them

32.

our bodies store energy in the molecules of

a)

cellulose

b)

glycogen

c)

starch

d)

protein

33.

the nutrient which keeps the body warm

a)

fat

b)

minerals

c)

proteins

d)

carbohydrates

34.

what acts as a medium for the trans portion of nutrients and excretion of toxic substances?

a)

vitamins

b)

proteins

c)

fats

d)

water

35.

What is RBC

(a)  

36.

pigment present in blood

a)

hemoglobin

b)

platelet

c)

WBC

d)

none of these

37.

What is the simplest sugar molecule and the fuel for our body?

a)

cellulose

b)

glucose

c)

starch

38.

dietary fibers help to get rid of undigested food easily

a)

true

b)

false

39.

Foods rich in starch turns _________ in colour when treated with iodine solution

a)

green

b)

red

c)

orange

d)

pink

e)

blue-black

40.

citrus is rich in

a)

vitamin b

b)

vitamin c

c)

vitamin d

d)

phytonutrients

41.

Name the gland present in the neck region

a)

pancreas

b)

salivary

c)

thyroid

42.

Observe the picture and identify the source belongs to which nutrient?

a)

Carbohydrates

b)

Fats

c)

Protein

d)

Vitamin

43.

Listen to the recording carefully and tell about which nutrient the spraker is speaking?

a)

Minerals

b)

Protein

c)

Fats

d)

Roughage

44.

Consider the following statments and choose the correct option:

1. Rickets is caused due to deficiency of vitamin D.

2. Kwashiorkor is caused due to lack of sodium.

a)

Statement 1 is false

b)

Statement 2 is false

c)

Both the statements are correct

d)

Both the statements are incorrect

45.

When we test for the preseance of glucose te colour required is:

a)

Yellow

b)

Violet

c)

Orange

d)

Blue

46.

To test for fats we need to:

a)

Boil the food item

b)

Rubb the food item on paper

c)

Rubb the food item on rice paper

d)

Cool the food item

47.

Eggs are rich source of

a)

Vitamin

b)

Carbohydrate

c)

Protein

d)

Water

48.

Honeybee makes honey froom

a)

Nectar

b)

Pollen

c)

Petals

d)

Bud

49.

Read each set of terms and identify the odd set.

a)

Cow, Milk, Butter

b)

Goat, Milk, Meat

c)

Hen, Meat, Egg

d)

Plants, Vegetable, Butter, Milk

50.

Which one of the following cannot be digested by us?

a)

Carbohydrates

b)

Proteins

c)

Roughage

d)

Vitamins

51.

An overworked software engineer always gets tired because of a lot of work. Which nutrient will be required for him to overcome his problem?

a)

Protein

b)

Mineral

c)

Fat

d)

Carbohydrates

52.

To test for proteins which of the following option is correct?

a)

Heat he food item in a test tube

b)

Cool the food item in a beaker of cold water

c)

Crush the food item

d)

None of these

53.

The diet which contains all the nutrients in proper amount is called

a)

Proper Meal

b)

Complete food

c)

Balanced diet

d)

Buffet

54.

The energy-giving nutrient is called

a)

Mineral

b)

Protein

c)

Carbohydrate

d)

Vitamin

55.

Proteins are called

a)

Energy-giving food

b)

Body-building food

c)

Protective food

d)

All of the above

56.

Eggs are rich source of

a)

Vitamin

b)

Carbohydrate

c)

Protein

d)

Water

57.

The disease caused by deficiency of nutrients is called

a)

Infectious disease

b)

Deficiency disease

c)

Accute disease

d)

Severe disease

58.

Loss of vision is caused by deficiency of

a)

Vitamin A

b)

Vitamin B

c)

Vitamin C

d)

Vitamin D

59.

Beri-Beri is caused by deficiency of

a)

Vitamin C

b)

Vitamin D

c)

Vitamin B1

d)

Vitamin K

60.

Deficiency of Vitamin C causes

a)

Rickets

b)

Fever

c)

Scurvy

d)

Vision loss

61.

Deficiency of Vitamin D causes

a)

Rickets

b)

Scurvy

c)

Marasmus

d)

Flu

62.

Anaemia is causee by deficiency of

a)

Protein

b)

Iron

c)

Iodine

d)

Fat

63.

Glands in the neck appear swollen in which of the following diseases?

a)

Tooth decay

b)

Goitre

c)

Rickets

d)

Scurvy

64.

__________ helps in protecting our body against diseases.

a)

Minerals

b)

Vitamins

c)

Fats

d)

Proteins

65.

The essential components of our food are called ______

a)

Fats

b)

Nutrients

c)

Minerals

d)

Water

66.

Guava is the source of which of the following vitamins?

a)

Vitamin A

b)

Vitamin B

c)

Vitamin C

d)

Vitamin D

67.

A food sample is taken in a test-tube and a drop of iodine solution was added to it. A blue-black colour change was observed. It indicates presence of which component in food?

a)

Fat

b)

Protein

c)

Carbohydrate

d)

Vitamin

68.

A person takes more food than his requirement. He is too fat. He may be suffering from which of the following diseases.

a)

Anaemia

b)

Beri-beri

c)

Scurvy

d)

Obesity

69.

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

a)

Rubber

b)

Plastic

c)

Wood

d)

Tin

70.

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

71.

Which of the following materials is suitable to make raincoats?

a)

Cotton

b)

Plastic

c)

Silk

d)

Paper

72.

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.

73.

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

74.

A mirror is

a)

opaque.

b)

transparent

c)

translucent.

d)

flexible

75.

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

76.

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)

77.

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.

78.

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

79.

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

80.

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

a)

Immiscible liquids

b)

Solute and solvent

c)

Solvent and solution

d)

Miscible liquids

81.

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

82.

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

83.

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

84.

Mohan is able to bend the rod because it is

a)

light.

b)

hard

c)

water proof.

d)

flexible

85.

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

86.

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

87.
What is an electric current? 
a)
the flow of electricity 
b)
electricity moving in only one direction
c)
a switch that gives power
88.
What is a switch? 
a)
part of the toaster that you plug into the wall
b)
an outlet that gives power
c)
part of a circuit that starts or stops the electricity
89.
A conductor is ____________
a)
something that allows electric current to flow easily
b)
something that limits the flow of electricity
90.
Electrical energy can make heat energy. 
a)
True
b)
False
91.
What are filaments? 
a)
resistor's in the toaster's circuit
b)
wires that heat up when they conduct electricity
c)
both 
92.
Which of these items radiate heat energy? 
a)
oven, hair dryer, toaster
b)
shower, toaster, vacuum
c)
sun, toaster, TV
93.
The lever on a toaster is a ____________
a)
switch
b)
resistor
c)
conductor
94.
A _____________ limits the flow of electricity 
a)
resistor
b)
conductor
c)
circuit
95.

In which of the following circuits will all of the remaining light bulbs go out if bulb 3 burns out?

a)
b)
c)
d)
96.

Which object does NOT conduct electricity?

a)

copper wire

b)

iron nail

c)

salt water

d)

wood

97.

The device used to open and close circuits is called a ______.

a)

circuit

b)

wire

c)

switch

d)

open circuit

98.

The battery, or _________is what we used in the electricity experiments that we performed an an energy source.

a)

conductor

b)

D-Cell

c)

insulator

d)

switch

99.

A _____ is a pathway for the flow of electricity.

a)

receiver

b)

wire

c)

switch

d)

circuit

100.

When electrons move or change places, it's called _________.

a)

static electricity

b)

insulator

c)

open circuit

d)

circuit

101.

A/An ____________ is a material that electricity CANNOT pass through easily.

a)

Conductor

b)

Insulator

c)

wire

d)

switch

102.

Material that electricity CAN pass through easily is called a/an ________________.

a)

conductor

b)

insulator

103.

A/An ________________ circuit is when electricity is ABLE to flow and the motor works.

a)

open

b)

closed

104.

If electricity is UNABLE to flow and the motor doesn't work, what type of circuit is it?

a)

closed circuit

b)

open circuit

105.

The D-Cell is the ____________ of electricity in the electricity experiments we performed.

a)

receiver

b)

plug

c)

motor

d)

source

106.

Which of the following is an insulator?

a)

copper

b)

steel

c)

rubber

d)

aluminum

107.

Three of the following items are resistors/receivers. Which item does NOT belong?

a)

speaker

b)

battery

c)

motor

d)

light bulb

108.
What is a battery?
a)
switch
b)
power source
c)
insulator
109.
A complete circuit has .......
a)
a motor in it
b)
a switch in it
c)
two bulbs in it
d)
no breaks in it
110.
A student began building a circuit to light a bulb.  What else does the student need to produce light?
a)
a battery that has energy
b)
a wire that is insulated
c)
a switch that is open
d)
another bulb of the same size
111.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
112.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
113.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
114.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
115.

How are grain seeds removed from their stalks?

a)

Sieving

b)

Winnowing

c)

Threshing

d)

All of the above

116.

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

117.

When the solute dissolves into a solvent and disappears it is called a _____________.

a)

MIxture

b)

Solution

c)

Solvent

d)

None of the above

118.

Pure substances are made up of the same kind of atoms.

a)

True

b)

False

119.

Which of the following is not a homogeneous mixture?

a)

Oxygen in water

b)

Tea

c)

Sugar and water

d)

Fried rice

120.

Lemonade is a special mixture called a

a)

substance

b)

solution

c)

plasma

d)

ingredient

121.

A fruit salad is a

a)

solution

b)

mixture

122.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

123.

While preparing chapatis, Nitya 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

124.

While preparing chapatis, Nitya 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

125.

Hand picking method is effective in

a)

solid mixture

b)

Liquid mixture

c)

Gaseous mixture

d)

None of these

126.

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

a)

Sublimation

b)

Sedimentation

c)

Filtration

d)

Decantation

127.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

128.

The solubility ____________ with increase in temperature.

a)

doesn't change

b)

decreases

c)

increases

129.

The process of changing solid to gas directly is ______

a)

Evaporation

b)

Condensation

c)

Melting

d)

Sublimation

130.

Salt is obtained from sea water by __________

a)

Sublimation

b)

Filtration

c)

Evaporation

d)

Hand picking

131.

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

132.

Pure substances are made up of the same kind of atoms.

a)

True

b)

False

133.

Which of the following is not a homogeneous mixture?

a)

Oxygen in water

b)

Tea

c)

Sugar and water

d)

Fried rice

134.

Name the given process.

a)

Sublimation

b)

Threshing

c)

Distillation

d)

Magnetic separation

135.

Name the process shown here.

a)

Sedimentation

b)

Decantation

c)

Dissolution

d)

Sieving

136.

The process used to separate grains from stalks

a)

Threshing

b)

Winnowing

c)

Hand-picking

d)

Sieving

137.

The method of separation in which heavier and lighter components of a mixture are separated with the help of wind is called

a)

Threshing

b)

Winnowing

c)

Sedimentation

d)

Sieving

138.

To separate a mixture of stones and wheat flour, the method used is

a)

Sieving

b)

Winnowing

c)

Evaporation

d)

Filtration

139.

The process by which gas changes into liquid is

a)

Cooling

b)

Condensation

c)

Freezing

d)

Steaming

140.

The process by which we can separate salt and water from their mixture is

a)

Filtration

b)

Evaporation

c)

Sedimentation

d)

Decantation

141.

Sand, salt and water mixture is provided to you. The sequence of processes used to separate them would be

a)

Decantation/filtration, Evaporation, Condensation

b)

Evaporation, Condensation, Decantation/filtration

c)

Decantation/filtration, Condensation, Evaporation

d)

Evaporation,Decantation /Filtration, Condensation

142.

The filtration process is used at our home to separate

a)

Paneer and liquid residue of sour milk

b)

Tea and tea leaves

c)

Fruit juice and fruit pulp

d)

Wheat flour and husk

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