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class 9th science mcqs test

Total questions: 116

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

In which state of matter , process of diffusion is fastest?

a)

Liquids

b)

Gases

c)

Solids

d)

Semi - solids

2.

The substances which occupy some space and having some mass called

a)

Particles

b)

Impure substance

c)

Ions

d)

Matter

3.

Particles of matter having space between them is called

a)

Interstitial space

b)

Intermolecular space

c)

Vacant space

d)

None of the above

4.

On converting 250C, 380C and 660C to kelvin scale,the correct sequence of temperature will be

a)

298 K,311 K and 339 K

b)

298 K,300 K and 338 K

5.

Latent heat of fusion is amount of

a)

heat energy required to change 1 kg solid into liquid completely at its melting point.

b)

heat energy required to convert 1 kg solid into liquid at room temperature

c)

heat energy required to change 1 g of solid into liquid completely

d)

heat energy required to change 1 kg of solid into liquid at any temperature.

6.

Which of the following is most suitable for summer?

a)

Cotton

b)

Nylon

c)

Polyester

d)

Silk

7.

When water gets solidified into ice, then heat is:

a)

absorbed

b)

evolved

c)

first absorbed then evolved

d)

initially evolved then absorbed

8.

The physical state of a matter depends upon

a)

temperature and pressure

b)

temperature only

c)

pressure only

d)

nature of substance

9.

A student notices that a substance "X" has fixed volume and when transferred from one container to another, it takes the shape of that container. Identify the state of matter that substance "X" belong to:

a)

Liquid & gas

b)

Gas

c)

Solid

d)

Liquid

10.

A student adds ink to water. The ink particles spread throughout the water. Which property of water allows the ink particles to diffuse in it?

a)

fixed volume

b)

inability to compress

c)

intermolecular spaces

d)

ability to change shape

11.

Density of a substance is defined as

a)

ratio of mass and temperature

b)

product of mass and volume

c)

ratio of mass and volume

d)

product of mass and temperature

12.

Which of the following has minimum spaces among the particles

a)

Solids

b)

Liquids

c)

Gases

d)

None of these

13.

In which state of matter , process of diffusion is fastest?

a)

Liquids

b)

Gases

c)

Solids

d)

Semi - solids

14.

Which of the following is not a property of matter?

a)

Matter is made up of extremely small particles

b)

There is space between particles of matter

c)

The particles of matter are in stationery state

d)

The particles of matter attract each other.

15.

On Converting 38°C And 66°C To Kelvin Scale, The Correct Sequence Of Temperature Will Be

a)

311 K and 339 K

b)

300 K and 338 K

c)

278 K and 543 K

d)

310 K and 338 K

16.

when 2-3 crystals of potassium permanganate are dissolved in water, the colour of water will be

a)

blue

b)

green

c)

yellow

d)

purple pink

17.

which of the following is matter

a)

air

b)

stone

c)

cloud

d)

all of them

18.

the 'panch tatva' or five basic elements are air,water,fire,earth and ___________?

a)

trees

b)

animals

c)

sky

d)

moon

19.

what is the chemical formula of potassium permanganate

a)

PPM

b)

KMn

c)

KMnO

d)

KMnO4

20.

Which of the following cannot be considered a form of matter?

a)

atom

b)

water

c)

cold

d)

electron

21.

The valency of nitrogen in NH3 is

a)

1

b)

4

c)

3

d)

2

22.

Number of moles present in 28 gm of Nitrogen atoms are

a)

1

b)

2

c)

3

d)

4

23.

Atomic mass is expressed in

a)

gm

b)

amu

c)

Kg

d)

Ml

24.

How many atoms are there is Na2CO3

a)

4

b)

5

c)

7

d)

6

25.

98u is the molecular mass of

a)

CO2

b)

CaCO3

c)

H2SO4

d)

NH3

26.

The formula of quick lime is

a)

CaCO3

b)

CaCl2

c)

MgO

d)

CaO

27.

The ratio of of H and O in H2O by mass is

a)

1:9

b)

1:8

c)

1:7

d)

1:6

28.

The reference standard used for defining atomic mass unit is

a)

H-1

b)

C-13

c)

O-16

d)

C-12

29.

The element whose gm atomic mass and gm molecular mass is same

a)

Nitrogen

b)

Oxygen

c)

Sodium

d)

Hydrogen

30.

Mass of 0.5 mole of CO2 is

a)

44gm

b)

33gm

c)

22 gm

d)

55gm

31.

An Atom

a)

cannot be broken into any smaller piece of matter

b)

is a molecule

c)

a chemical bond

d)

all of the above

32.

An element is

a)

Made up of different types of atoms

b)

Made up of the same type of atoms

c)

none of the above

d)

all of the above

33.

A molecule

a)

Has one type of atom

b)

As two or more different atoms

c)

is an element

d)

all of the above

34.

Gold is an element

a)

True

b)

false

c)

none of the above

d)

All of the above

35.

The three states of matter you find on the periodic table are

a)

Iron gold and silver

b)

solid liquid and gas

c)

freezing melting condensation

d)

non of the above

36.

Atoms are composed of

a)

Nothing, they are the smallest unit

b)

molecules

c)

protons neutrons and electrons

d)

all of the above

37.

A proton is a positively charged particle

a)

true

b)

false

c)

all of the above

d)

none of the above

38.

A neutron is negatively charged

a)

true

b)

false

c)

none of the above

d)

all of the above

39.

An electron has a _______ charge

a)

positive

b)

neutral

c)

negative

d)

none of the above

40.

What makes up the nucleus of the atom?

a)

Protons and neutrons

b)

Protons and electrons

c)

neutrons and electrions

d)

electrons

41.

two or more atoms that bind together form

a)

an element

b)

a molecule

c)

atoms

d)

none of the above

42.

A chemical reaction occurs with an imbalance of electrons in the atomic shell

a)

true

b)

false

c)

none

d)

both

43.

When different atoms bind together they become a different type of matter

a)

true

b)

false

c)

none

d)

both

44.

Elements can be deadly by themselves, when combined in a molecule some are edible, such as table salt

a)

true

b)

false

c)

none

d)

both

45.

The atomic mass is telling us how much the atom weighs

a)

true

b)

false

c)

none

d)

both

46.

The atomic number on the periodic table tells us

a)

how many protons and neutrons there are

b)

how many protons and electrons there are

c)

how many neutrons there are

d)

none of the above

47.

NaCl, sodium chloride, is a molecule we call

a)

sodium

b)

poison

c)

chlorine

d)

table salt

48.

CO2 is an element

a)

true

b)

false

c)

both

d)

none

49.

CO2 is a molecule

a)

true

b)

false

c)

none

d)

both

50.

He Helium is an element

a)

true

b)

false

c)

none

d)

both

51.

How many hydrogens does H20 have?

a)

1

b)

2

c)

3

d)

0

52.

What are unicellular organisms?

a)

Having single cell

b)

Having two cells

c)

Having 3 cells

d)

None of the above

53.

What is the example of unicellular organism?

a)

Amoeba

b)

Bacteria

c)

Paramocium

d)

All of the above

54.

Fundamental unit of life is

a)

Cell

b)

Membrane

c)

Organism

d)

None

55.

Which of the following are examples of Prokaryotes

a)

Algae

b)

Fungi

c)

Bacteria

d)

Protozoa

56.

Identity the image :

a)

Telescope

b)

Compound microscope

c)

Microwave

d)

Toaster

57.

Name the type of cell:

a)

Bone cell

b)

Muscle cell

c)

Heart cell

d)

Nerve cell

58.

Who discovered the nucleus of the cell?

a)

Robert Hooke

b)

Robert Brown

c)

Leeuwenhoek

d)

Purkinje

59.
Plants and Animal cell both have this organelle.
a)
Chlorophyll
b)
Chloroplast
c)
Nucleus
d)
Cell Wall
60.

The term 'cell' was given by:

a)

Leeuwenhoek

b)

Robert Hooke

c)

Flemming

d)

Robert Brown

61.

Which of the following has an irregular or variable shape?

a)

Euglena

b)

Paramecium

c)

Amoeba

d)

Clamydomonas

62.

An organism made of one cell is called

a)

multicellular

b)

unicelluar

63.

Organisms made of many cells are called

a)

multicellular

b)

unicellular

64.

Cells that are microscopic mean they are tiny/small.

a)

True

b)

False

65.

Bacteria are each composed of one cell that does not have a membrane-bound organelle. What two terms characterize bacteria?

a)

Multicellular and Prokaryotic

b)

Unicellular and Prokaryotic

66.

Which statement is true about cell theory?

a)

Cell theory states that all cells are non­living.

b)

Cell theory states that cells can come from non­living

things.

c)

Cell theory states that all cells arise from other cells.

d)

Cell theory says animal cells are the only type of

living cells.

67.

Bacteria are examples of

a)

Prokaryotic cells

b)

Eukaryotic cells

68.

Animals, plants, fungi, and protists are examples of

a)

Eukaryotic cells

b)

Prokaryotic cells

69.

How many types of epithelial tissues are there?

a)

3

b)

4

c)

8

d)

6

70.

What tissues out of these are fluid connective tissues?

a)

blood

b)

neuron

c)

lymph

d)

cartilage

71.

What tissue is this?

a)

Parenchyma

b)

Xylem

c)

Phloem

d)

Collenchyma

72.

Which of the following is not an animal tissue?

a)

Epithelial tissue

b)

Connective tissue

c)

Parenchymal tissue

d)

Muscular tissue

73.

Which of the following are Supportive connective tissues

a)

Bone

b)

Blood

c)

Adipose

d)

Cartilage

74.

How many major types of cells are there in blood corpuscles?

a)

3

b)

4

c)

6

d)

2

75.

What are the types of plant tissues?

a)

Permanent tissues

b)

Connective tissues

c)

Epithelial tissues

d)

Meristematic tissues

76.

Which tissue is this?

a)

Phloem

b)

Xylem

c)

Parenchyma

d)

Sclerenchyma

77.

What are the types of simple permanent tissues

a)

Parenchyma

b)

Sclerenchyma

c)

Correnchyma

d)

Xylem

e)

Phloem

78.

What are the types of complex permanent tissues

a)

Xylem

b)

Phloem

c)

Parenchyma

d)

Collenchyma

79.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
80.
Vector quantities need both a magnitude and a _____.
a)
distance
b)
displacement
c)
direction
d)
velocity
81.
After completing one trip on a roller coaster, the roller coaster's ________ is zero.
a)
displacement
b)
reference point
c)
length
d)
distance
82.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south.  What is their displacement?
a)
82 meters
b)
18 meters
c)
28 meters
83.

A vehicle travels 2345 m in 315 s toward the evening sun. What is its speed?

a)

7.44 m/s

b)

0.13 m/s

c)

738,675 m/s

d)

7.44m

84.

What distance will a car traveling 65 km/hr travel in 180 min?

a)

11,700 m

b)

195 m

c)

21.7 m

d)

2.77 m

85.

A car travels 240 km in 2 hours and a sprinter travels 100 m in 9.5 sec. Who is traveling faster?

a)

the car

b)

the sprinter

c)

they are traveling the same speed

d)

not enough information to answer this question

86.

A train travels 120 km in 2 hours and 30 minutes. What is its average speed?

a)

60 km/hr

b)

240 km/hr

c)

48 km/hr

d)

300 km/hr

87.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
88.
A description of the speed and direction of an object's motion
a)
Velocity
b)
Speed
c)
Acceleration
d)
Vector
89.
What is happening in the graph from point O to A?
a)
The object is moving SLOWLY
b)
The object is moving FAST
c)
The object is NOT moving
d)
The object is accelerating
90.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
91.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
92.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
93.

Which of the following has INCORRECT units?

a)

speed = m/s

b)

time = s

c)

displacement = m

d)

velocity = s

94.

What is motion?

a)

the stopping of an object to a frame of reference

b)

a change in position relative to a frame of reference

c)

the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge

d)

a change in the time in which it takes to get an office referral

95.

A change in ________ in a certain amount of time is motion.

a)

speed

b)

appearance

c)

position

d)

weight

96.

An old lady rolls down a hill at 3 meters/second. The hill is 36 meters long. How many seconds does it take the old lady to reach the bottom of the hill?

a)

39 seconds

b)

12 seconds

c)

15 seconds

d)

33 seconds

97.
A measurement of how fast an object is moving
a)
Velocity
b)
Speed
c)
Vector
d)
Acceleration
98.
Displacement and distance are always the same number.
a)
True
b)
False
99.

Gravitation is the force of ________________

a)

attraction

b)

repulsion

c)

both

d)

none

100.

What is F = Gm1m2/r^2 ?

a)

Newton's Law of gravitation

b)

Newton's first law of motion

c)

Newton's Universal law of gravitation

d)

None

101.

What is the value of G?

a)

6.67X 10-11

b)

6.80X1012

c)

7.97X10-10

d)

NONE

102.

What is the SI unit of G?

a)

Nm2/kg

b)

Nm2/kg2

c)

unitless

d)

none

103.

Gravity is the phenomenon between

a)

Earth and moon

b)

Earth and you

c)

Earth and any object

d)

none

104.

The value of g is

a)

9.8

b)

9.6

c)

8.6

d)

none

105.

If a big stone and a small stone when dropped from a height, then both will strike the ground at the same time bcoz :

a)

the value of g does not depend of mass of object

b)

the value of g depends on mass of object

c)

both a and b

d)

none

106.

The value of g is maximum at

a)

Poles

b)

Equator

c)

both

d)

none

107.

The value of g ___________ as we move above the surface of earth

a)

increases

b)

decreases

c)

constant

d)

none

108.

The value of g is ________ at the center of earth

a)

zero

b)

not defined

c)

1

d)

cant be determined

109.

Fees should be submitted on:

a)

time always

b)

time always

c)

both a and b

d)

all of the above

110.

What is the difference between mass and weight ?( multiple select)

a)

Mass of an object is the quantity of matter contained in it whereas weight of an object is the force with which it is attracted towards the centre of earth

b)

Mass is a vector and weight is scalar

c)

Mass is constant whereas weight is not

d)

SI unit of mass is Kg and SI unit of weight is Newton

111.

What is the mass of an object whose weight is 49 N?

a)

5 kg

b)

6kg

c)

7kg

d)

10kg

112.

Weight of an object on moon is _____________ of the weight on earth

a)

1/6th

b)

1/5th

c)

both a and b

d)

none

113.

Force acting normally on a surface is called :

a)

Pressure

b)

Thrust

c)

Both a and b

d)

none

114.

X =  Density of substan⁡ceDensity of water at 4 0C\frac{Density\ of\ subs\tan ce}{Density\ of\ water\ at\ 4\ ^0C}  ,What is X here?

a)

Density

b)

Relative density

c)

Mass

d)

None

115.

When a body is partially or wholly immersed in a liquid ,the upward force acts on it which is called :

a)

Buoyant force

b)

Presure

c)

Area

d)

None

116.

A ship uses which principle:

a)

newton's law

b)

archimedes

c)

both a and b

d)

none

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