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Worksheets100 MCQ Grade 7 Physical Quantities and Measurement
Total questions: 102
Worksheet time: 9hrs 30mins
Name
Class
Date
1.
Which of the following best defines a physical quantity?
a)
Anything that can be seen
b)
Anything that can be measured
c)
Anything that has mass
d)
Anything that occupies space
2.
Which of the following is a fundamental quantity?
a)
Speed
b)
Area
c)
Length
d)
Density
3.
The SI unit of mass is
a)
gram
b)
kilogram
c)
tonne
d)
pound
4.
Which SI unit is used to measure time?
a)
hour
b)
minute
c)
second
d)
day
5.
Which of the following is NOT a fundamental quantity?
a)
Temperature
b)
Time
c)
Volume
d)
Mass
6.
The SI unit of temperature is
a)
degree Celsius
b)
Fahrenheit
c)
kelvin
d)
joule
7.
Area is a derived quantity because it depends on
a)
mass and time
b)
length and breadth
c)
distance and time
d)
speed and time
8.
The formula for speed is
a)
mass ÷ volume
b)
distance ÷ time
c)
length × breadth
d)
speed ÷ time
9.
Which derived quantity has the SI unit m³?
a)
Area
b)
Speed
c)
Density
d)
Volume
10.
Density is defined as
a)
volume ÷ mass
b)
mass ÷ volume
c)
speed ÷ time
d)
distance ÷ time
11.
What is volume?
a)
Mass of an object
b)
Amount of space occupied by an object
c)
Shape of an object
d)
Weight of an object
12.
The SI unit of volume is
a)
cubic centimetre
b)
litre
c)
cubic metre
d)
millilitre
13.
One cubic metre is the volume of a cube of side
a)
10 m
b)
1 m
c)
100 m
d)
1000 m
14.
Which of the following is used to measure small volumes of solids like bricks?
a)
m³
b)
L
c)
cm³
d)
mL
15.
The volume of liquids like water in a tank is usually measured in
a)
millilitres
b)
cubic centimetres
c)
litres
d)
cubic metres
16.
Which relation between litre and cubic metre is correct?
a)
1 L = 1 m³
b)
100 L = 1 m³
c)
1000 L = 1 m³
d)
10 L = 1 m³
17.
1 millilitre (mL) is equal to
a)
1 cm³
b)
10 cm³
c)
100 cm³
d)
1000 cm³
18.
The formula for the volume of a cuboid is
a)
length × breadth
b)
length × length × length
c)
length × breadth × height
d)
breadth × height
19.
The volume of irregular solids is measured by
a)
formula
b)
weighing
c)
water displacement
d)
measuring container
20.
The volume of liquids is measured using
a)
ruler
b)
balance
c)
thermometer
d)
measuring containers
21.
The maximum volume of a liquid that a container can hold is called
a)
volume
b)
mass
c)
capacity
d)
density
22.
Capacity is used with respect to
a)
solids only
b)
gases only
c)
containers
d)
regular shapes
23.
The volume of matter inside a container can be changed by
a)
changing container size
b)
increasing or decreasing quantity
c)
changing shape
d)
changing material
24.
The SI unit of area is
a)
square centimetre
b)
square metre
c)
square kilometre
d)
hectare
25.
Small areas like a piece of paper are measured in
a)
m²
b)
km²
c)
cm²
d)
hectare
26.
Large areas such as cities are measured in
a)
cm²
b)
m²
c)
km² or hectare
d)
mm²
27.
Area of a square is calculated as
a)
length + breadth
b)
length × breadth
c)
length × length
d)
breadth × breadth
28.
Area of a rectangle is
a)
length × length
b)
breadth × breadth
c)
length + breadth
d)
length × breadth
29.
1 cm² is equal to
a)
0.01 m²
b)
0.001 m²
c)
0.0001 m²
d)
0.1 m²
30.
1 hectare is equal to
a)
1,000 m²
b)
10,000 m²
c)
100,000 m²
d)
1,000,000 m²
31.
When equal volumes of sand and cotton are taken, which appears heavier?
a)
Cotton
b)
Sand
c)
Both are equal
d)
Cannot be compared
32.
Sand is denser than cotton because
a)
it has more air
b)
it is lighter
c)
its mass is more closely packed
d)
its volume is larger
33.
Density is defined as
a)
volume per unit mass
b)
mass per unit volume
c)
mass × volume
d)
mass − volume
34.
The formula for density is
a)
volume ÷ mass
b)
mass × volume
c)
mass ÷ volume
d)
density × volume
35.
Density of an object increases when
a)
mass decreases and volume increases
b)
mass increases for same volume
c)
volume increases for same mass
d)
both mass and volume increase
36.
Which SI unit is used to measure density?
a)
g/cm³
b)
kg/m³
c)
kg
d)
m³
37.
The CGS unit of density is
a)
kg/m³
b)
g/cm³
c)
g/m³
d)
kg/cm³
38.
An iron nail sinks in water because
a)
it is hollow
b)
it has less volume
c)
iron is denser than water
d)
water is denser than iron
39.
A ship made of iron floats because
a)
iron is light
b)
it contains hollow spaces filled with air
c)
water pushes it up
d)
its mass is zero
40.
Knowledge of density is important in construction because
a)
it improves color
b)
it reduces cost
c)
weight distribution affects safety
d)
it changes volume
41.
1 kg is equal to
a)
100 g
b)
1000 g
c)
10,000 g
d)
1,000,000 g
42.
1 m³ is equal to
a)
100 cm³
b)
10,000 cm³
c)
1,000,000 cm³
d)
1,000 cm³
43.
1 kg/m³ is equal to
a)
1 g/cm³
b)
1/100 g/cm³
c)
1/1000 g/cm³
d)
1000 g/cm³
44.
1 g/cm³ is equal to
a)
100 kg/m³
b)
1000 kg/m³
c)
10 kg/m³
d)
1 kg/m³
45.
Which substance is the densest on Earth?
a)
Iron
b)
Gold
c)
Osmium
d)
Copper
46.
The density of a substance depends on its
a)
shape
b)
size
c)
mass per unit volume
d)
colour
47.
The formula used to calculate density is
a)
D = V/M
b)
D = M × V
c)
D = M/V
d)
D = M − V
48.
The volume of a cube is calculated as
a)
length × breadth × height
b)
side × side
c)
side × side × side
d)
πr²h
49.
The volume of a cylinder is
a)
πr³
b)
4/3 πr³
c)
πr²h
d)
r²h
50.
If the mass of a cube is 7.8 g and its volume is 1 cm³, its density is
a)
7.8 kg/m³
b)
0.78 g/cm³
c)
7.8 g/cm³
d)
78 g/cm³
51.
If V1 is the initial volume of water, V2 is the final volume after immersing irregular solid. The formula used to calculate density of an irregular solid is
a)
D = V/M
b)
D = M/V
c)
D = M/(V₂ − V₁)
d)
D = V/(V₂ − V₁)
52.
The mass of the stone is measured using a
a)
measuring cylinder
b)
ruler
c)
physical balance
d)
thermometer
53.
Liquids with different densities arrange themselves in a test tube according to
a)
colour
b)
temperature
c)
mass
d)
density
54.
In the example, when water rises from 45 mL to 75 mL, the volume of the stone is
a)
20 mL
b)
25 mL
c)
30 mL
d)
35 mL
55.
If the mass of the stone is 50 g and its volume is 30 cm³, its density is
a)
1.5 g/cm³
b)
1.6 g/cm³
c)
2.0 g/cm³
d)
15 g/cm³
56.
Density of a liquid can be measured by knowing its
a)
colour and shape
b)
mass and volume
c)
volume only
d)
mass only
57.
The formula used to calculate volume from mass and density is
a)
Volume = Density ÷ Mass
b)
Volume = Mass × Density
c)
Volume = Mass ÷ Density
d)
Volume = Density − Mass
58.
If the density of granite is 2.66 g/cm³, its unit shows density is measured as
a)
mass only
b)
volume only
c)
mass per unit volume
d)
volume per unit mass
59.
0.12 kg is equal to
a)
12 g
b)
120 g
c)
1200 g
d)
1.2 g
60.
If mass is 120 g and density is 2.66 g/cm³, the volume is approximately
a)
35.1 cm³
b)
40.1 cm³
c)
45.1 cm³
d)
50.1 cm³
61.
If the density of an object is high, it means
a)
its volume is large
b)
its mass is small
c)
more mass is packed in less volume
d)
it floats in water
62.
Speed of an object is defined as
a)
distance ÷ mass
b)
distance ÷ time
c)
time ÷ distance
d)
mass ÷ time
63.
The SI unit of speed is
a)
km/h
b)
m/min
c)
m/s
d)
cm/s
64.
Speed can also be defined as the
a)
total distance covered
b)
rate of change of distance
c)
change in time
d)
rate of change of mass
65.
Speed that remains the same throughout motion is called
a)
variable speed
b)
average speed
c)
non-uniform speed
d)
uniform speed
66.
1 km/h is equal to
a)
1/5 m/s
b)
5/18 m/s
c)
18/5 m/s
d)
3.6 m/s
67.
A body moving at 40 km/h has a speed of
a)
11.11 m/s
b)
10 m/s
c)
12.5 m/s
d)
14.4 m/s
68.
1 m/s is equal to
a)
1.8 km/h
b)
3 km/h
c)
3.6 km/h
d)
36 km/h
69.
A speed of 10 m/s is equal to
a)
18 km/h
b)
30 km/h
c)
36 km/h
d)
40 km/h
70.
Which object has higher speed: horse covering 80 km in 2 h or camel covering 120 km in 6 h?
a)
Camel
b)
Horse
c)
Both same
d)
Cannot be determined
71.
To compare speeds of two objects, we must calculate
a)
their total time
b)
their total distance
c)
distance covered per unit time
d)
their mass
72.
If an object covers a longer distance in the same unit time, it has
a)
lower speed
b)
zero speed
c)
higher speed
d)
variable speed
73.
Another way to compare speeds of two objects is to compare
a)
their masses
b)
the time taken to cover the same distance
c)
their shapes
d)
their volumes
74.
A horse covers 40 km in 1 hour and a camel covers 20 km in 1 hour. Which has higher speed?
a)
Camel
b)
Both same
c)
Horse
d)
Cannot be compared
75.
If two objects cover the same distance, the one taking less time has
a)
lower speed
b)
higher speed
c)
equal speed
d)
no speed
76.
A boy goes 2 km to a shop and comes back in 1 hour. What is the total distance travelled?
a)
2 km
b)
3 km
c)
4 km
d)
5 km
77.
What is the the speed of the boy if he covers 8 km in 2 hours?
a)
2 km/h
b)
3 km/h
c)
4 km/h
d)
5 km/h
78.
A bus covers 240 km in 3 hours. Its speed is
a)
60 km/h
b)
70 km/h
c)
80 km/h
d)
90 km/h
79.
A car covers 250 km in 5 hours. Its speed is
a)
40 km/h
b)
45 km/h
c)
50 km/h
d)
55 km/h
80.
Who is faster: Ria covers 600 m in 2 minutes, Lia covers 600 m in 3 minutes
a)
Lia
b)
Both same
c)
Ria
d)
Cannot be determined
81.
A cyclist moves at 18 km/h for 5 minutes. The distance covered is
a)
0.9 km
b)
1.2 km
c)
1.5 km
d)
1.8 km
82.
A tin cap floats in water but sinks when crushed because crushing
a)
increases its mass
b)
increases its density
c)
decreases gravity
d)
removes air pressure
83.
When a stone is immersed in water, the volume of the stone is equal to
a)
mass of stone
b)
density of stone
c)
volume of water displaced
d)
weight of stone
84.
If mass of a stone is P and volume of water displaced is S, density of the stone is
a)
P × S
b)
S ÷ P
c)
P ÷ S
d)
P − S
85.
A cardboard box of 1 kg cannot fit in a bag while an iron box of same mass can because cardboard has
a)
less mass
b)
more density
c)
larger volume
d)
smaller weight
86.
The SI unit of speed is
a)
km/h
b)
m/min
c)
m/s
d)
cm/s
87.
To convert km/h to m/s, we multiply by
a)
2025-05-18 00:00:00
b)
2018-05-01 00:00:00
c)
3.6
d)
60
88.
If 103 cm³ of aluminium has a mass of 0.280 kg, its density is
a)
2.7 g/cm³
b)
27 g/cm³
c)
0.27 g/cm³
d)
270 g/cm³
89.
If density of wood is 800 kg/m³ and volume is 0.3 m³, its mass is
a)
24 kg
b)
240 kg
c)
800 kg
d)
120 kg
90.
An elephant covers 120 km in 3 h and a tiger covers 130 km in 2 h. Who is faster?
a)
Elephant
b)
Both same
c)
Tiger
d)
Cannot say
91.
A vehicle travels 850 km at a speed of 50 km/h. Time taken is
a)
15 h
b)
16 h
c)
17 h
d)
18 h
92.
Density is widely applied in designing
a)
musical instruments
b)
ships and aircraft
c)
clothes
d)
buildings only
93.
Helium balloons rise in air because helium has
a)
higher density than air
b)
equal density as air
c)
lower density than air
d)
more mass than air
94.
To identify sugar and salt in identical boxes without opening them, one should compare their
a)
colour
b)
shape
c)
densities
d)
temperatures
95.
Which instrument is used to measure the mass of substances while finding density?
a)
ruler
b)
thermometer
c)
beam balance
d)
measuring cylinder
96.
Which of the following is a derived quantity?
a)
mass
b)
length
c)
time
d)
density
97.
Measurement of area of regular shapes usually involves
a)
formulas
b)
guessing
c)
weighing
d)
heating
98.
A car travels 150 km in 3 hours. What is its speed?
a)
40 km/h
b)
45 km/h
c)
50 km/h
d)
60 km/h
99.
The density of a material is 800 kg/m³ and its volume is 0.5 m³. What is its mass?
a)
400 kg
b)
300 kg
c)
200 kg
d)
1600 kg
100.
What is the volume of a cube whose side is 4 cm?
a)
16 cm³
b)
64 cm³
c)
12 cm³
d)
48 cm³
101.
Find the volume of a cuboid of length 5 cm, breadth 4 cm, and height 3 cm.
a)
20 cm³
b)
60 cm³
c)
12 cm³
d)
15 cm³
102.
Convert a speed of 20 m/s into km/h.
a)
36 km/h
b)
54 km/h
c)
72 km/h
d)
90 km/h
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