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Worksheets

Ultimate Year 9 Summer Revision

Total questions: 115

Worksheet time: 2hrs 17mins

Name
Class
Date
1.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
2.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
3.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
4.
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
a)
Mitochonria
b)
Nucleus
c)
Vacuole
d)
Chloroplast
5.
How would light intensity generally affect the rate of photosynthesis?
a)
Increases the rate, up to a point
b)
Increases the rate
c)
Decreases the rate
d)
No relationship to the rate
6.
How would the concentration of CO2 in water affect photosynthesis?
a)
The higher the CO2, the greater the rate
b)
The higher the CO2, the lower the rate
c)
CO2 concentration doesn't affect photosynthesis
d)
a greater rate of photosynthesis causes higher CO2 concentrations 
7.
If we enclosed a plant in an air-proof bottle, what would happen to the rate of photosynthesis 
a)
Gradually slow down to zero because CO2 is used up
b)
Shows a constant rate as long as the light remains on
c)
Gradually speeds up because O2 builds up
d)
Gradually slows down because glucose builds up
8.
At which distance is the rate of photosynthesis the highest?
a)
10cm
b)
20cm
c)
15cm
d)
12cm
9.

What do we call something that will affect the rate of photosynthesis?

a)

Light intensity

b)

Limiting factor

c)

Carbon dioxide concentration

d)

Control factor

10.

Which of the following IS NOT a limiting factor for photosynthesis?

a)

Carbon dioxide concentration

b)

Oxygen concentration

c)

Temperature

d)

Light intensity

11.

Why does the rate of photosynthesis decrease at high temperatures?

a)

Enzymes are denatured

b)

Enzymes do not have enough kinetic energy

12.

At letter A what is the limiting factor of photosynthesis?

a)

Carbon dioxide

b)

Water

c)

Temperature

d)

Light Intensity

13.

At letter A what is the limiting factor of photosynthesis?

a)

Temperature AND Carbon dioxide concentration

b)

Water

c)

Temperature OR Carbon dioxide concentration

d)

Light Intensity

14.

What 3 factors are limiting factors of photosynthesis?

a)

Carbon dioxide concentration, Oxygen concentration , Water

b)

Carbon dioxide concentration, Temperature, Water

c)

Temperature, Water, Light intensity

d)

Carbon dioxide concentration, Temperature, Light intensity

15.

Which gas is at the top of the inverted test tube?

a)

oxygen

b)

carbon dioxide

c)

water vapor

d)

nitrogen

16.

Which of the following statements best describes this graph?

a)

Maximum glucose and oxygen production lies within an ideal temperature range.

b)

Temperature does not affect glucose production.

c)

Temperature only affects glucose production, oxygen production stays the same.

d)

Temperature is the dependent variable when considering rate of photosynthesis.

17.

Which Graph shows the relationship between photosynthesis and LIGHT INTENSITY?

a)

A

b)

B

c)

C

18.

Which Graph shows the relationship between photosynthesis and Oxygen?

a)

A

b)

B

c)

C

19.

Who is known as the "Father of Genetics" for the work he did with pea plants?

a)

Charles Darwin

b)

Gregor Mendel

c)

Albert Einstein

d)

Benjamin Franklin

20.

What is an allele?

a)

a chemical found in DNA

b)

a certain form of a gene that can be recessive or dominant

c)

a physical trait

d)

a pair of chromosomes

21.

A dominant allele.....

a)

is expressed half of the time

b)

is never expressed

c)

is expressed in homozygous dominant and heterozygous individuals

d)

is only expressed in homozygous individuals

22.

If two white mice are bred together (white fur is a recessive trait), what must be true of their offspring?

a)

they will all be white

b)

they could be either white or black

c)

they will all be black

d)

they are likely to be half white and half black

23.

What term denotes the physical expression of a gene?

a)

genotype

b)

phenotype

c)

appearance

d)

homologous

24.

Which of the following would produce a recessive phenotype?

a)

hh

b)

Rr

c)

Ww

d)

BB

25.

Which of the these is homozygous?

a)

gg

b)

Yy

c)

Nn

d)

Ee

26.

What organism did Mendel study?

a)

pea plants

b)

onions

c)

mice

d)

cats

27.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
28.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
29.
___________________________ is the field of science that studies of how traits are passed on, or inherited.
a)
dominant traits
b)
ratio
c)
phenotype
d)
genetics
30.
What is a gene?
a)
An entire chromosome that  codes for a trait
b)
a piece of clothing
c)
a piece of a DNA on chromosome that codes for a trait
d)
Chemical messengers in your brain that code for a trait
31.

Which of the following is a genetic trait?

a)

time

b)

temperature

c)

eye color

d)

diet

32.

Evaporation is

a)

Separating a soluble solid and solvent

b)

When one liquid is changed to another liquid

c)

Separating an insoluble solid from a liquid

d)

Separating solids from liquids

33.

Distillation is

a)

Separating solids from liquids

b)

Separating an insoluble solid from a liquid

c)

When one liquid is changed to another liquid

d)

Separating a soluble solid and solvent

34.

Filtering is

a)

Separating a soluble solid and solvent

b)

When one liquid is changed to another liquid

c)

Separating solids from liquids

d)

Separating an insoluble solid from a liquid

35.

Decanting is

a)

Separating solids from liquids

b)

Separating a soluble solid and solvent

c)

Separating an insoluble solid from a liquid

d)

When one liquid is changed to another liquid

36.

Panning for gold is an example of

a)

Filtering

b)

Decanting

c)

Distillation

d)

Evaporation

37.

Salt water turning into fresh water is an example of

a)

Evaporation

b)

Decanting

c)

Distillation

d)

Filtering

38.

Decanting may not be a good method to separate a solid from a liquid because

a)

Some liquid is usually left behind

b)

When you pour the container, some solids can fall out

c)

All of the above

d)

None of the above

39.

The separation technique being used is

a)

Filtering

b)

Distillation

c)

Evaporation

d)

Decanting

40.

The separation technique being used is

a)

Decanting

b)

Filtering

c)

Evaporation

d)

Distillation

41.

If we set up a distillation experiment and we put copper sulphate over a Bunsen Burner, would would we end up with?

a)

Copper Sulphate

b)

Distilled water

c)

Water

d)

A mixture of copper sulphate and distilled water

42.

What is the hazard shown in this hazard sign?

a)

Explosive

b)

Corrosive

c)

Irritant

d)

High level Irritant

43.
What colour is universal indicator in a strong alkali?
a)
Green
b)
Orange
c)
Purple
d)
Red
44.
What colour is universal indicator in a neutral solution?
a)
Green
b)
Orange
c)
Purple
d)
Red
45.
What colour is universal indicator in strong acid?
a)
Green
b)
Orange
c)
Purple
d)
Red
46.

Strong acids and strong alkalis are.......

a)

Able to turn blue litmus paper red

b)

Corrosive

c)

Sour

d)

Sweet

47.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
48.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
49.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
50.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
51.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
52.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
53.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
54.

Bleach is a strong alkali, what is the pH level of bleach?

a)

13

b)

10.5

c)

1

d)

2

55.

Acid + Alkali --> Salt + Water

a)

neutralization reaction

b)

synthesis

c)

decomposition

d)

single displacement

56.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
57.

Indicator that only changes colour at pH = 7

a)

Universal indicator

b)

Litmus paper

58.

Acids are source of

a)

hydrogen ions

b)

hydroxide ions

59.

Alkalis are source of

a)

hydrogen ions

b)

hydroxide ions

60.

The highest point on a wave is:

a)

the crest

b)

the trough

c)

the top

d)

the coast

61.

Which word is used to identify the distance between points C & G?

a)

Amplitude

b)

Crest

c)

Frequency

d)

Wavelength

62.

Which wave in the diagram has the greatest frequency?

a)

1

b)

2

c)

3

d)

4

63.

Which wave in the diagram has the greatest wavelength?

a)

1

b)

2

c)

3

d)

4

64.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
65.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
66.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
67.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
68.
What types of waves carry energy at a right angle or perpendicular to the direction of the energy flow?
a)
Longitudinal waves
b)
Transverse waves
c)
Sound waves
d)
P-waves
69.
What are the parts of a longitudinal wave?
a)
Compressions and rarefactions
b)
Crests and troughs
c)
Compressions and crests
d)
Rarefactions and troughs
70.
Which wave is pictured?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
71.
Sound needs a medium to travel through.  What is a medium?
a)
solid, liquid, gas
b)
open space
c)
waves
d)
nothing
72.

a disturbance caused by energy moving through a system in a cyclical pattern

a)

Wave

b)

Amplitude

c)

Frequency

d)

Speed

73.

How fast the wave is moving through a medium

a)

wave speed

b)

wavelength

c)

amplitude

d)

frequency

74.

When a wave bounces off of something and moves in a different direction

a)

reflection

b)

refraction

c)

absorption

d)

propagation

75.

when a wave is bent by traveling from one medium to another

a)

reflection

b)

refraction

c)

absorption

d)

propagation

76.

Light travels... (select 2 answers)

a)

Around corners

b)

In straight lines

c)

Faster in glass than in air

d)

Faster than sound

77.

What are the mistakes in the image? Select 2 answers.

a)

The arrow on the light ray is going towards the person's eye

b)

The arrow on the light ray is going away from the person's eye

c)

The arrow on the light ray is going towards the light source

d)

The arrow on the light ray is going away from the light source

78.

Which is true about reflection?

a)

The angle of incidence is bigger than the angle of reflection.

b)

The angle of incidence is smaller than the angle of reflection

c)

The angle of incidence = the angle of reflection

79.

When drawing ray diagrams, you need to...

a)

Use a ruler

b)

Use a pencil

c)

Have no gaps in the light rays

d)

Put an arrow to show the direction the light ray is travelling

80.

What is happening to the light ray at the surface of the water to mean the fish appears higher up than it is?

a)

The light ray is reflecting

b)

The light ray is refracting

c)

The light ray is scattering

d)

The light ray is absorbed

81.

The picture shows 4 sound waves on an oscilloscope. Which has the highest pitch?

a)

A

b)

B

c)

C

d)

D

82.

The picture shows 4 sound waves on an oscilloscope. What can you say about A?

a)

It is a very low pitched sound

b)

It is a very high pitched sound

c)

It is a very quiet sound

d)

It is a very loud sound

83.

The picture shows 4 sound waves on an oscilloscope. Which 2 have the smallest amplitude?

a)

A

b)

B

c)

C

d)

D

84.

The picture shows 4 sound waves on an oscilloscope. What is the wavelength of B?

a)

4 boxes

b)

2 boxes

c)

6 boxes

d)

8 boxes

85.

Which statement is true of sound waves. Select 2 answers.

a)

They are made by objects vibrating

b)

They are detected because they make our ear drum vibrate

c)

They are transverse waves

d)

They travel faster in air than in water.

86.

What can you see here? Select 2 answers.

a)

LIght is being refracted through a prism

b)

Light is being reflected by the prism

c)

A spectrum is formed

d)

A rainbow is formed

87.

Which statement is true for refraction of light? Choose 2 answers.

a)

When it enters a denser medium (e.g. from air to glass), it changes direction towards the normal.

b)

When it enters a denser medium (e.g. from air to glass), it changes direction away from the normal.

c)

When it enters a less dense medium (e.g. from glass to air), it changes direction towards the normal.

d)

When it enters a less dense medium (e.g. from glass to air), it changes direction away from the normal.

88.

A ship sends out a pulse of ultrasound and hears its echo 0.3 seconds later. The speed of sound in water is 1500m/s. Calculate the depth of the sea below the ship.

a)

450m

b)

900m

c)

225m

d)

500m

89.

The picture shows 4 sound waves on an oscilloscope. What is the amplitude of B?

a)

4 boxes

b)

2 boxes

c)

6 boxes

d)

8 boxes

90.

Why can you not hear symbols clashed together a mile away? Select 2 answers.

a)

The sound waves' energy travel too slowly

b)

The sound waves' energy gets too spread out

c)

The sound waves' energy is reflected away from you.

d)

The sound waves' energy gets absorbed by objects and the air

91.

If I shine white light at a red filter, what will I see the other side of the filter?

a)

White light

b)

No light

c)

Red light

d)

Yellow light

92.

If I shine red light on a blue bowling ball, what colour will the bowling bowl appear to be?

a)

Magenta

b)

Black

c)

Red

d)

Blue

93.

If I shine magenta light on a blue bowling ball, what colour will the bowling bowl appear to be?

a)

Magenta

b)

Black

c)

Red

d)

Blue

94.

What type of wave is shown by the diagram?

a)

Transverse

b)

Longitudinal

95.

Which is true about transverse waves?

a)

Sound waves are transverse

b)

They have areas of rarefaction and compression

c)

Vibrations are across the direction of travel

96.
Light travels in a straight line
a)
True
b)
False
97.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
98.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
99.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
100.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
101.
Luminous means...
a)
Gives out its own light
b)
Reflects light from other things
102.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
103.
White light is made up of _________________ colors.
a)
10
b)
3
c)
7
d)
70
104.
If light strikes a mirror at a 50⁰ angle, what angle will it come off of the mirror?
a)
50⁰
b)
70⁰
c)
45⁰
d)
30⁰
105.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
106.
Which color reflects all light?
a)
White
b)
Black
c)
Orange 
d)
Green
107.

Which type of wave does light travel in?

a)

Ocean wave

b)

Compression wave

c)

Transverse waves

d)

Radio wave

108.
Material that allows light to pass through allowing you to see "clearly" to the other side
a)
opaque
b)
translucent
c)
transparent
109.
 Refraction can separate white light into
a)
a. infrared waves.
b)
b. different colors.
c)
c. ultraviolet light.
d)
d. longer wavelengths.
110.

In the diagram, which letter represents the angle of incidence?

a)

A

b)

B

c)

C

d)

D

111.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
112.
a)
Reflection
b)
Refraction
113.
Which color travels the quickest and has the shortest wavelength?
a)
Red
b)
Violet
114.
The distance between two crests or two troughs is the...
a)
Crest/Peak
b)
Trough
c)
Wavelength
115.
Which color travels the slowest and has the longest wavelength?
a)
Violet
b)
Red