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Y7 Science EOY revision quiz

Total questions: 60

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

What is a cell?

a)

A part of the human body

b)

The smallest and most basic unit of life

c)

A type of element

d)

A non living organism

2.

What is the job of a cell membrane?

a)

To give them a strong shape

b)

To make food

c)

To control the entry and exit of substances

d)

To release energy

3.

Why do very active cells have lots of mitochondria?

a)

Mitochondria release energy to power cells

b)

Mitochondria help cells to divide in two

c)

Mitochondria help give the cell their shape

d)

Mitochondria make hormones

4.
This organelle protects/holds the DNA
a)
Mitochondria
b)
Chloroplasts
c)
Nucleolus
d)
Nucleus
5.
This organelle traps sunlight and uses that energy to convert it to food.
a)
Mitochondria
b)
Chloroplasts
c)
Lysosomes
d)
Chlorophyll
6.

What is the function of nerve cells?

a)

Allow for gas exchange to happen.

b)

Transport oxygen throughout the body.

c)

Control DNA expression.

d)

Transmit electrical signals to different parts of the body.

7.

Which part of the cell carries out respiration (makes energy from glucose)?

a)

Cell Wall

b)

Nucleus

c)

Mitochondria

d)

Cell Membrane

8.

Animal cells do not need a cell wall because...

a)

Animals have bones and muscles to help them stay upright

b)

Animal cells are bigger

c)

Animal cells have a cell membrane instead

9.

How is this cell specialised?

a)

Tail for swimming

b)

Small so it can fit through gaps

c)

Lots of mitochondria for energy

d)

Enzymes in the head to break through egg

10.

How are these cells specialised?

a)

Red so they are easy to see

b)

No nucleus so more room for oxygen

c)

Bendy so they can fit through capillaries

d)

Hard to break

11.

What does the second R in MRS GREN stand for?

a)

Reproduce

b)

Excrete

12.
What are the reactants for cellular respiration?
a)
glucose and carbon dioxide
b)
water and glucose
c)
glucose and ATP
d)
glucose and oxygen
13.
What does it mean for something to be anaerobic?
a)
It requires CO2
b)
It does not require CO2
c)
It requires oxygen
d)
It does not require oxygen
14.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
15.
Where in the cell does aerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
16.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
17.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
18.

What is the name for the connector that attaches bone to bone?

a)

ligament

b)

tendon

c)

joint

d)

cartilage

19.

What is the name for the connector that attaches muscle to bone?

a)

ligament

b)

tendon

c)

joint

d)

bones

20.

What is the place where two bones meet?

a)

bones

b)

tendons

c)

ligament

d)

joint

21.

What is a flexible connective tissue that is found in your nose and ears?

a)

cartilage

b)

joints

c)

ligaments

d)

cranium

22.

Which type of joint gives you the largest range of motion?

a)

Pivot joint

b)

Ball-and-socket joint

c)

Hinge joint

d)

Gliding joint

23.

The joints in your knees and elbows are most similar to:

a)

The pendulum in a grandfather clock

b)

The wheels on an office chair

c)

The sliding mechanism on a drawer

d)

The hinge on a cupboard door

24.
Mechanical movement to inhale and exhale air
a)
Gas Exchange
b)
Respiration
c)
Breathing
d)
Transport
25.

Gas exchange is needed to supply _____________ to cells and remove __________________

a)

carbon dioxide; oxygen

b)

oxygen; food

c)

oxygen; carbon dioxide

d)

carbon dioxide; water

26.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

to bring oxygen to the body

c)

to break down food and absorb nutrients

d)

to remove oxygen from the body and deliver carbon dioxide

27.

The air sacs that are covered with capillaries where gas exchange takes place.

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

28.
The trachea leads to the...
a)
Bronchioles
b)
Bronchi
c)
Esophagus
d)
Pulmonary Vessel
29.
Letter D is pointing to which Respiratory organ?
a)
Alveoli
b)
Diaphragm
c)
Lung
d)
Bronchi
30.
What is the force that pulls us towards the Earth?
a)
gravity
b)
weight
c)
friction
d)
mass
31.
What is 'drag' another name for?
a)
dressing up
b)
air resistance
c)
friction
d)
weight
32.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
33.
What is the name for a single force on an object with the same effect as all the forces combined?
a)
big
b)
total
c)
resultant
d)
sum
34.
Two forces on an object are in the same direction. How do we calculate the resultant force?
a)
take away one from the other
b)
multiply them
c)
divide one by the other
d)
add them together
35.
Two forces on an object are in opposite directions. How do we calculate the resultant force?
a)
divide one by the other
b)
multiply them
c)
find the difference between them
d)
add them together
36.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
37.
Is the car
a)
Stationary
b)
Moving at constant speed
c)
Accelerating
d)
Decelerating
38.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
39.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
40.
A ____________ is a push or a pull on an object.
a)
chemical
b)
force
c)
magnet
d)
gravity
41.
___________ is the amount of matter in an object.
a)
mass
b)
weight
c)
volume
d)
force
42.
At which location would your mass be the greatest?
a)
Earth
b)
Moon
c)
Jupiter
d)
Mass Stays the Same Everywhere
43.

According to Hooke's law; Force is equal to -

a)

Spring Constant × Extension

b)

Spring Constant ÷ Extension

c)

Spring Constant + Extension

44.

If the original length of a spring is 20m and its extended length is 30m. What is the extension?

a)

20m

b)

12m

c)

75m

d)

45m

e)

10m

45.

A bungee rope has a spring constant of 5N/m. How much a person must weighs in Newton if we want it to extend (stretch) 10m?

a)

20N

b)

22cm

c)

50N

d)

50cm

e)

21N

46.

___________ is the unit of force

a)

Km

b)

cm

c)

m

d)

N/cm

e)

N

47.
Hooke's Law fails when a material reaches its:
a)
breakdown
b)
elastic limit
c)
end of tether
d)
fracture stress
48.
A stiff material has a:
a)
high spring constant
b)
low spring constant
c)
spring constant of any value
d)
spring constant which is difficult to predict
49.
Hooke's Law describes the behaviour of which kind of material under tension?
a)
plastic
b)
metals only
c)
elastic
d)
non-metals only
50.
A graph of extension against force for an elastic material is:
a)
A downward curve
b)
An upward curve
c)
A straight line from any point on the x and y axis
d)
A straight line from the origin
51.

Which of these provides the best explanation for why the pencil appears broken?

a)

The pencil absorbs the light rays that hit it.

b)

Water reflects light rays away from the pencil.

c)

Light rays are bent by the water in the glass.

d)

The surface of the water reflects the light rays.

52.

At what point is the laser being reflected?

a)

A

b)

B

c)

C

d)

D

53.

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

a)
b)
c)
d)
54.

Which of the following is the best example of an object absorbing light?

a)

A black sweater in the sun.

b)

A clean window in the sun.

c)

A curved mirror in the sun.

d)

A long shadow in the sun.

55.

Which of the following is demonstrated when light bounces off of mirrors or shiny surfaces?

a)

Scattering

b)

Refraction

c)

Absorption

d)

Reflection

56.

Adrian is observing a piece of white paper. His eye perceives the paper to be white because his eye is receiving what kind of light?

a)

Light in all the colors of the visible spectrum.

b)

Light mostly at the ultraviolet end of the spectrum.

c)

Light mostly at the infrared end of the spectrum.

d)

Light the paper produces when heated by the Sun.

57.
The BENDING of light as it changes speed traveling from one medium to another.
a)
reflection
b)
diffraction
c)
refraction
58.
Which color happens when all colors of light are reflected?
a)
yellow
b)
white
c)
black
d)
red
59.
What color happens when all colors are absorbed ?
a)
blue
b)
black
c)
red
d)
white
60.
Which of the following explains why an apple looks red?
a)
reflects red and absorbs all other colors
b)
absorbs red and reflect all other colors
c)
reflects all colors

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