wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

YEAR 9 SCIENCE- BIOLOGY

Total questions: 131

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

Humans have 22 chromosomes in all. They inherit 11 from one parent and 11 from the other.

a)

true

b)

false

2.

This model can be used as evidence to support which claim?

a)

Proteins are found inside of chromosomes and chromosomes make up proteins.

b)

DNA makes up the majority of a cell and contributes to the functions of chromosomes.

c)

Chromosomes are found in the nucleus of all cells and they contain long strands of DNA and proteins.

3.

Genes are found within bands of DNA. Which sentence best describes the function of a gene.

a)

Genes create more DNA for the organism to use later.

b)

Genes create instructions that tell cells which proteins to make.

c)

Genes create chromosomes for organisms to pass down to their offspring.

4.

How many chromosomes are found in each cell of your body (excluding gametes)?

a)

46

b)

23

c)

40

d)

45

5.

What are genes?

a)

Pants

b)

Specific traits

c)

Sections of DNA arranged along the chromosomes

d)

Chromosomes

6.
The yellow part of this picture is DNA. What do you think the turquoise part around it is?
a)
chromosome
b)
gene
c)
DNA
d)
ACTG
7.
DNA is inside your cells. What part of the cell is the DNA inside of?
a)
cell membrane
b)
cytoplasm
c)
nucleus
8.

What causes variation?

a)

Your environment

b)

Your genes and your environment

c)

Your genes

d)

Your names

9.

What is variation?

a)

Racial diversity

b)

The variation of females and males

c)

Variation of personalities

d)

The differences between the individuals in a species

10.

Where are genes found?

a)

In the mitochondria

b)

In our bone marrow

c)

Chromosomes, in the nucleus of a cell

d)

In our brains

11.

What is natural selection?

a)

There is no such thing as natural selection

b)

Natural selection is when the variation of an animal helps it survive longer and reproduce. When it reproduces, it creates another animal that can survive very long. The animals who do not have these variations do not survive.

c)

Natural selection is when humans breed animals to create more animals with desirable traits. For example, if someone wants a chicken that makes very large eggs, they could breed two chickens that do that.

d)

Natural selection is when the animal species that do not survive for long die off completely extinct.

12.

True or false: Individuals that have variations that best adapt them to their environments are most likely to survive and reproduce

(a)  

13.

What causes a species bacteria to become resistant to antibiotics?

a)

Variation

b)

Natural selection

c)

Genetics

d)

Adaptation

14.

Why did the pepper moths in England turn brown from pale in 1900?

a)

Because the darker ones were more attractive to moths, so they reproduced more

b)

Because the white ones couldn't camouflage on people's clothes

c)

Because of the pollution during the industrial revolution. The pollution cause the pale lichens on trees to die of and turned the bark brown. The pale moths could not hid from predators on the dark bark.

d)

There is no reason for that to happen.

15.

______ ______ was the first person to suggest a way in which one species could change into another species.

(a)  

16.

Who proposed the theory of natural selection?

a)

Isaac Newton

b)

Neil Armstrong

c)

Albert Eintstein

d)

Charles Darwin

17.

What did the theory of natural selection state?

a)

There is still no such thing as natural selection.

b)

applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to other forces of nature

c)

the individuals that are nest adapted to their environment are the ones that are most likely to pass on their features to the next generation

d)

Gravity is arbitrary and that affects the natural selection of people for certain occupations in which their is realiance for the whole society to function.

18.

(a)   is the chemical from which chromosomes are made.

19.

(a)   is the part of a cell in which chromosomes are found.

20.

(a)   is the part of a chromosome that determines one particular characteristic of an organism.

21.

(a)   means that passing on of genes from parents to their offspring.

22.

(a)   means the differences between organisms belonging to the same species.

23.
What does DNA stand for?
a)
Deoxyribonucleic Acid
b)
Deoxyribose Enzymes
c)
Deoxyribose Messenger 
d)
Retro deoxyribose Acis
24.

Are acquired physical traits passed down from parents to offspring?

a)

yes

b)

no

25.

Gold contact lenses

a)

Inherited Traits

b)

Acquired Traits

26.

Eye Color

a)

Inherited trait

b)

Acquired trait

27.

Blood type

a)

Inherited

b)

Acquired

28.
Speaking
a)
inherited
b)
acquired
29.

The passing on of genetic traits from parents to children or offspring.

a)

Nurture

b)

Heredity

c)

Environment

30.

To receive a characteristic or trait genetically form one's parent or grandparent.

a)

Inherit

b)

Nurture

c)

Acquire

31.

Brown eyes and black hair are what kind of traits?

a)

Environment

b)

Heredity

c)

Nurture

32.

What is the same thing as obtain?

a)

Acquire

b)

Characteristic

c)

Environment

33.

What do plants need to photosynthesise?

a)

Oxygen

b)

Food

c)

Biomass

d)

Carbon dioxide

34.

The process of photosynthesis:

a)

Carbon dioxide + water + energy --> Oxygen and Glucose

b)

Energy and food --> oxygen

c)

oxygen + water + energy --> Carbon dioxide and Glucose

d)

Water and carbon dioxide make food

35.

Where in the plant does photosynthesis take place?

a)

Flower

b)

Root

c)

Leaf

d)

Stem

36.

What is biomass?

a)

A mass of biological waste

b)

Material made from living cells and tissues

c)

Plants

d)

Animals

37.

Which layer inside the leaf does most of the photosynthesis?

a)

Palisade layer

b)

Spongy layer

c)

Veins

d)

Epidermis

38.

What is the waxy layer on the leaf responsible for?

a)

Keeping moisture in

b)

Preventing the leaf from drying out

c)

Protection

d)

All of the above

39.

An adaptation of roots to perform its function

a)

They contain millions of root hairs

b)

The root hairs are only 1 cell layer thick

c)

They branch deep into the soil

d)

All of the above

40.

This variable is the variable you are measuring in an experiment and will dependent on what you are changing.

a)

Controlled variable

b)

Independent variable

c)

Fixed variable

d)

Dependant variable

41.

If I am testing the effect of different water given on the rate of photosynthesis what would my independent variable be?

a)

Light intensity

b)

The different amounts of water given

c)

The rate of photosynthesis

d)

The type of plant

42.

If I am testing the effect of different water given on the rate of photosynthesis what could an example of a controlled variable be?

a)

The amount of water

b)

The rate of photosynthesis

c)

There won't be any

d)

The type of plant

43.
The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ______.
a)
Phloem
b)
Stomata
c)
Chlorophyll
d)
Xylem
44.
Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.
a)
Chlorophyll
b)
Phloem
c)
Stomata
d)
Xylem
45.
Plant absorbs water through the _________. 
a)
stem
b)
roots 
c)
leaves 
d)
all of the above
46.
The plant transport system are made up of ____ types of tubes.
a)
1
b)
2
c)
3
d)
many
47.
What is the name of the part of the root that allows water and minerals enter?
a)
root hairs
b)
epidermis
c)
phloem
d)
phyla
48.
what is the function of root hair?
a)
it is place to store the food
b)
it has large surface area to absorb more water
49.
How do water enter the roots from the soil?
a)
diffusion
b)
osmosis
c)
transpiration
d)
active transport
50.
Water vapour exits a plant leaf by
a)
the stomata
b)
the epidermis
c)
the palisade cells
d)
the spongy mesophyll
51.
Transpiration is
a)
the movement of water through a plant from the roots up the stem
b)
the loss of water from the leaves of a plant by the process of evaporation
c)
the flow of water into plant roots by osmosis from the soil
d)
the process of minerals and sugars moving through plant veins
52.
This is the definition for which word:The movement of particles down a concentration gradient (from a high concentration to a low concentration)
a)
Osmosis
b)
Diffusion
c)
Active transport
d)
Transpiration
53.
This is the definition for which word:The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane.
a)
Osmosis
b)
Diffusion
c)
Active transport
d)
Transpiration
54.
Why is the evaporation of water from leaves important?
a)
It cools leaves and helps move water up the plant.
b)
It makes the plant wilt
c)
It helps the plant to respire
55.
Which of these is true?
a)
Xylem vessels carry water and dissolved minerals up the plant
b)
Phloem tissue carry water and dissolved minerals up the plant
c)
Xylem vessels carry dissolved sucrose up and down the plant
56.
What happens to the transpiration rate as light intensity increases?
a)
It increases
b)
It stays the same
c)
It decreases
57.

Where is xylem found in the plant?

a)

leave -> roots -> stem

b)

roots -> stem -> leaves

c)

root hairs -> leaves -> veins

d)

stem -> roots

58.

Where does sugar transport begin?

a)

Roots

b)

Leaves

c)

Root hairs

d)

Vascular bundles

59.
Plant transports food made in the leaves to __________. 
a)
roots 
b)
stem
c)
flowers 
d)
all of the above
60.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Ribosomes

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

61.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
62.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
63.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

64.

Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
65.
Leaves look green because.....
a)
they eat their vegetables
b)
to blend into their environment
c)
they contain a molecule named chlorophyll
d)
they are sick
66.

Select the correct term for the following definition:

"The water transport system in plants."

a)

Villi

b)

Bronchi

c)

Bolus

d)

Xylem

67.

What does a plant need magnesium for

a)

For healthy leaves and flowers

b)

To make chlorophyll

c)

For healthy growth

d)

For healthy roots

68.

How does a plant get water for photosynthesis

a)

Soaks into the leaves from rain fall

b)

Absorbed from the soil by roots and root hairs

c)

Diffuses into the leaves through the stomata

d)

Absorbed from the soil by roots

69.

This mineral is important for healthy leaves and flowers

a)

magnesium

b)

nitrates

c)

phosphates

d)

potassium

70.

This mineral is important for healthy growth

a)

magnesium

b)

nitrates

c)

phosphates

d)

potassium

71.

This mineral is important for healthy roots

a)

magnesium

b)

nitrates

c)

phosphates

d)

potassium

72.

Farmers add chemicals to the soil to replace missing minerals. These chemicals are called________.

a)

Fertilisers

b)

Soils

c)

Vitamins

d)

Chlorophyll

73.

What type of deficiency if a plant has poor growth and older leaves are yellowed?

a)

nitrate deficiency

b)

magnesium deficiency

c)

phosphorus deficiency

d)

potassium deficiency

74.

What type of deficiency if a plant leaves turns yellow?

a)

nitrate deficiency

b)

magnesium deficiency

c)

phosphorus deficiency

d)

potassium deficiency

75.

What type of deficiency if a plant leaves turns yellow?

a)

nitrate deficiency

b)

magnesium deficiency

c)

phosphorus deficiency

d)

potassium deficiency

76.

What type of deficiency if a plant has yellow leaves and dead patches.

a)

nitrate deficiency

b)

magnesium deficiency

c)

phosphorus deficiency

d)

potassium deficiency

77.
Carbon dioxide is absorbed by producers to make what in photosynthesis?
a)
oxygen
b)
carbon
c)
carbohydrates
d)
water
78.
When is most of the carbon dioxide that is exhaled from plants formed?
a)
respiration
b)
circulation
c)
photosynthesis
d)
when it starts the carbon cycle
79.
When humans burn fossil fuels, most of the carbon quickly enters the _______ as carbon dioxide
a)
water
b)
atmosphere
c)
sun
d)
air
80.
Which of these does not add CO2 to the atmosphere
a)
cooking with gas
b)
planting trees
c)
burning wood
d)
riding in a bus
81.
Combustion is another word for
a)
burning
b)
melting
c)
exploding
d)
incinerating 
82.
How do living organisms return carbon to the atmosphere in the carbon cycle
a)
respiration and decomposition
b)
respiration and photosynthesis
c)
death
d)
burning
83.
How does the carbon in grass become part of a living animal?
a)
by eating the grass
b)
It doesn't end up in the animal no matter what
c)
It ends up in its food chain
d)
It breathes in carbon given out by the plant
84.
Why is the increase in greenhouse gasses an issue
a)
It causes climate change and increase in the global temperature 
b)
It can lead to a major increase in greenhouses
c)
It leads to more factories
d)
It causes a moajor decrease in people
85.
What process keeps Earth's temperature suitable for life
a)
Convention currents
b)
Greenhouse Effect
c)
Albedo Effect
d)
Water Cycle
86.
Why does too much carbon dioxide in the atmosphere cause climate change?
a)
It cools our planet
b)
Blocks out UV rays
c)
Traps heat and warms planet
d)
Lets light escape
87.
Which is a greenhouse gas
a)
methane
b)
Oxygen
c)
Hydrogen
d)
Ammonium
88.
Which of the following adds oxygen to the atmosphere
a)
forest fires
b)
photosynthesis
c)
weathering of rocks
d)
life processes of animals
89.
How do humans affect the carbon cycle
a)
Inhaling oxygen
b)
Exhalation of carbon dioxide
c)
Using CFCs
d)
Wearing sunscreen
90.
Carbon is stored in
a)
trees and other living things
b)
oceans
c)
underground in soil and fossil fuels
d)
all are correct
91.

Which choice correctly shows the gases that enter and exit plants during photosynthesis?

a)

Enter: Oxygen

Exit: Carbon Dioxide

b)

Enter: Carbon Dioxide

Exit: Oxygen

c)

Enter: Water Vapor

Exit: Glucose

d)

Enter: Light

Exit: Water Vapor

92.

Plants take in ________from the air as one key ingredient for photosynthesis.

a)

oxygen

b)

soil

c)

sugar

d)

carbon dioxide

93.

The main source of energy for all life comes from _____.

a)

the Earth

b)

the sun

c)

the moon

d)

the food we eat/make

94.

Why are producers (plants) important for all life on Earth?

a)

They make our world more beautiful

b)

They make the planet look green

c)

They provide shade for insects

d)

They use carbon dioxide and give us oxygen

95.

____________________ is a part of oceans, air, rocks, soil, and all living things.

a)

Nitrogen

b)

Carbon

c)

Water

d)

Silver

96.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

97.

Which describes the relationship between plants and animals in the carbon cycle?

a)

Plants produce and release oxygen that animals need

b)

Plants produce and release carbon dioxide that animals need

c)

Animals produce and release oxygen that plants need

d)

Animals produce oxygen that plants turn into carbon dioxide

98.

which of the following is a reactant to photosynthesis?

a)

Oxygen

b)

Carbohydrates

c)

Glucose

d)

Water

99.

Photosynthesis occurs in the

a)

Chloroplasts

b)

Cell walls

c)

Cytoplasm

d)

Mitochondria

100.

The law of conservation of mass states that, in a closed system

a)

mass cannot be created or destroyed

b)

mass can be created but not destroyed

c)

mass can be destroyed but not created

d)

mass can be created and destroyed

101.

What is transpiration?

a)

Excess water being released from the aerial parts of plants in the form of water vapor

b)

Excess sugar being released from the leave

c)

The way a plant makes its food

d)

When the plant uses sugar for energy

102.

Select all of the environmental factors that would increase transpiration.

a)

Increased humidity

b)

Increased wind speed

c)

Increased temperature

d)

Decreased surface area

103.

Which statement correctly identifies the substance and direction it is transported in the xylem?

a)

Water, only upwards

b)

Glucose, only upwards

c)

Water, up and down the plant

d)

Glucose, up and down the plant

104.

Factors which affect transpiration are (external)

a)

Sunlight

b)

Wind speed

c)

Humidity

d)

Rain

105.

What are the main functions of the excretory system?

a)

deliver oxygen to the body

b)

deliver nutrients to the body

c)

remove water and waste from the body

d)

remove disease from the body

106.

Which organ filters blood?

a)

Kidneys

b)

Large Intestine

c)

Lungs

d)

Bladder

107.

What is organ is #1?

a)

Kidney

b)

Stomach

c)

Bladder

d)

Heart

108.

What organ is #3?

a)

Kidney

b)

Stomach

c)

Bladder

d)

Heart

109.

True or False:

Kidneys filter waste from blood.

a)

True

b)

False

110.

The job of your kidneys is to...

a)

Create feces

b)

Take carbon dioxide out of your blood

c)

Put oxygen into your blood

d)

Clean blood, sending waste to bladder

111.
Main organs and their functions?
a)
The ureter,the kidneys,the bladder,the prostrate and the Uretha
b)
The kidneys and the urethera
c)
The ureter,the kidneys,the bladder and the prostrate
d)
Living things
112.

Which structure transports urine from the kidney to the bladder?

a)

Ureter

b)

Urethra

c)

Bladder

d)

Kidney

113.

What is the name of the structure that leads from the bladder to the outside environment?

a)

Ureter

b)

Bladder

c)

Urethra

d)

Kidney

114.

In each kidney there are millions of tiny filtering units responsible for cleaning the blood, what are they?

a)

Alveoli

b)

Villi

c)

Nephrons

d)

Cilia

115.
In addition to water, the principal components of urine are
a)
amino acids and fatty acids
b)
urea and salts
c)
ammonia and bile
d)
hydrochloric acid and bases
116.
Which sequence represents the correct pathway for the removal of urine from the human body?
a)
kidney → ureter → urinary bladder → urethra
b)
kidney → urethra → urinary bladder → ureter
c)
ureter → kidney → urinary bladder → urethra
d)
urethra → kidney → urinary bladder → ureter
117.

All of these structures combined make up which system?

a)

Integumentary System

b)

Digestive System

c)

Urinary System

d)

Immune System

118.

Identify the structure labelled "C" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

119.

Melting glaciers are causing ___________ to rise around the world.

a)

Carbon Dioxide

b)

Greenhouse Effect

c)

greenhouse gases

d)

sea levels

120.
Appears as a streak in the sky.
a)
asteroid
b)
meteoroid
c)
comet
d)
meteor
121.
Made of very dense rock and metal that is very different from the rocks that make up the inner planets.
a)
asteroid
b)
meteoroid
c)
comet
d)
meteor
122.
Often called shooting stars.
a)
asteroid
b)
meteoroid
c)
comet
d)
meteor
123.
Piece of rock that burns up as it passes through the earth's atmosphere.
a)
asteroid
b)
meteoroid
c)
comet
d)
metoer
124.

A meteor that does not burn up in Earth's atmosphere and reaches Earth's surface

a)

Meteorite

b)

Meteoroid

c)

Meteor

125.

Which of the following are impacts of climate change?

a)

Sea level rise

b)

More frequent extreme weather events

c)

Spread of some infectious insect-borne diseases

d)

Lengthen the growing season in certain regions

e)

Greenhouse effect

126.

Global warming can cause the glaciers in Greenland and Antarctica to melt resulting in

a)

more extreme weather

b)

a rise in sea level

c)

an increase in the spread of infectious diseases

127.

Sea level rise is the increase in the mean height of the sea’s surface between high tide and low tide, relative to land.

a)

True

b)

False

128.

Check all the statements that explain why sea level rise is a threat:

a)

Sea level rise will lead to the inundation of low-lying areas such as coastal cities, which constitutes two-thirds of the world’s capital cities. This will cause massive economic losses.

b)

Sea level rise will lead to the inundation of low-lying small island nation states, which often do not have alternative areas with higher relief to house the remaining population.

c)

Higher temperatures cause the melting of glaciers and causes water in seas and ocean to expand, thus increasing the sea level.

d)

Sea level rise will lead to widespread destruction and damage to properties in the densely-populated cities.

129.

Which of the following are examples of extreme weather events?

a)

Heat waves

b)

Floods

c)

Famine

d)

Droughts

e)

Tropical cyclones/hurricanes

130.

Occurrence of extreme weather events has increased in the last few decades

a)

True

b)

False

131.

Which of the following has been linked to climate change?

a)

Droughts

b)

Intense Storms

c)

Melting of Polar Ice Caps

d)

All of these

Similar Resources on Wayground

1 WAVES - 1 Main Question Set

133 questions

1 WAVES - 1 Main Question Set

quiz

Worksheet

•

8th Grade

8th F.E. Review 3 (Genes and Heredity)

131 questions

8th F.E. Review 3 (Genes and Heredity)

quiz

Worksheet

•

8th Grade

Review: Force & Motion

131 questions

Review: Force & Motion

quiz

Worksheet

•

8th Grade - University

Chemistry Unit Review

130 questions

Chemistry Unit Review

quiz

Worksheet

•

6th - 8th Grade

Exam Review

129 questions

Exam Review

quiz

Worksheet

•

8th - 9th Grade

Europe Review

135 questions

Europe Review

quiz

Worksheet

•

6th - 9th Grade

Nervous System and Homeostasis

135 questions

Nervous System and Homeostasis

quiz

Worksheet

•

6th - 8th Grade

Quarter 1 Review ES 22-23

136 questions

Quarter 1 Review ES 22-23

quiz

Worksheet

•

6th - 8th Grade