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N5 Unit 3 Full Unit Quiz

Total questions: 110

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

What is the name given to a natural biological unit made up of living and non-living parts?

a)

Ecosystem

b)

Habitat

c)

Species

d)

Community

2.

What is a habitat?

a)

The area where an organism lives

b)

All the living organisms that live within a habitat

c)

A natural biological unit made up of living and non-living parts

d)

A group of living things of the same species

3.

What is the definition of a population?

a)

A group of living things of the same species

b)

A group of living things of different species

4.

What is the definition of a species?

a)

A group of organisms that can interbreed to produce fertile offspring.

b)

A group of organisms that can interbreed to produce infertile offspring.

5.

Which form of organism can produce its own food?

a)

Producer

b)

Consumer

c)

Herbivore

d)

Carnivore

e)

Omnivore

6.

Which form of organism must gain energy by eating other organisms?

a)

Producer

b)

Consumer

c)

Herbivore

d)

Carnivore

e)

Omnivore

7.

Which form of organism only eats plants?

a)

Producer

b)

Consumer

c)

Herbivore

d)

Carnivore

e)

Omnivore

8.

Which form of organism only eats animals?

a)

Producer

b)

Consumer

c)

Herbivore

d)

Carnivore

e)

Omnivore

9.

Which form of organism eats both plants and animals?

a)

Producer

b)

Consumer

c)

Herbivore

d)

Carnivore

e)

Omnivore

10.

Which organism is a typical producer?

a)

Green Plants

b)

Owls

c)

Fish

d)

Wolves

11.

Which form of organism is found at the start of a food chain?

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

12.

What is the definition of a niche?

a)

The area that an organism lives in

b)

The role an organism plays within its ecosystem and how it interacts

c)

A natural biological unit made up of living and non-living parts

d)

All the living organisms that live within a habitat

13.

What form of competition involves different species?

a)

Interspecific Competition

b)

Intraspecific Competition

14.

What form of competition involves the same species?

a)

Interspecific Competition

b)

Intraspecific Competition

15.

Which is the definition for biodiversity?

a)

A species that indicates the environmental quality by their presence or absence

b)

One species living in an area

c)

The variety of living things present in an ecosystem

d)

A large biodiversity

16.

"A group of organisms which can interbreed to produce fertile offspring" is the definition for:

a)

Niche

b)

Species

c)

Habitat

d)

Carnivore

17.

What is intraspecific competition?

a)

Competition between members of the same species

b)

Competition between members of different species

18.

Which type of competition is the most intense?

a)

Interspecific

b)

Intraspecific

19.

What things do animals compete for?

a)

Light

b)

Space

c)

Food

d)

Mates

20.

An ecosystem is

a)

A group of organisms that can interbreed to produce fertile young

b)

A natural biological unit made up of living and non-living parts

c)

The place where an organism lives

d)

All the living organisms that live within a habitat

21.

All living and non-living things in an area make up an _________________.

a)

producers

b)

living things

c)

ecosystem

d)

prey

22.

A ___________ is a diagram that shows the transfer of energy in an ecosystem.

a)

decomposer

b)

web

c)

consumer

d)

food chain

23.

___________are organisms that use the Sun’s energy to make their own food (like plants and algae).

a)

ecosystems

b)

prey

c)

producers

d)

herbivores

24.

A _______________ is any animal that eats plants or other animals

a)

prey

b)

consumer

c)

carnivore

d)

predator

25.

_______________ are animals that eat only plants and are also known as primary consumers.

a)

carnivores

b)

producers

c)

decomposers

d)

herbivores

26.
Animals that eat only other animals are ________________.
a)
producers
b)
carnivores
c)
herbivores
d)
prey
27.

An animal that eats both plants and animals is a _________________.

a)

omnivore

b)

carnivore

c)

herbivore

d)

prdator

28.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
29.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
30.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
31.
a deer population has significantly increased, the best hypothesis is 
a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
32.
Which event is the best example of competition between species in a pond?
a)
dragonflies landing on lily pads
b)
lizards and snakes lying in the sun
c)
hawks eating mice
d)
frogs and toads eating flies
33.

What is the name given to a non-living factor that influences where an organism can live?

a)

Abiotic Factor

b)

Biotic Factor

34.

What is the name given to a living factor that influences where an organism can live?

a)

Abiotic Factor

b)

Biotic Factor

35.

Which of the following is an abiotic factor?

a)

Predation

b)

Temperature

c)

Disease

d)

Competition for resources

36.

Which of the following is an abiotic factor?

a)

Predation

b)

Disease

c)

Competition for resources

d)

Light Intensity

37.

Which of the following is a biotic factor?

a)

Disease

b)

Light Intensity

c)

Temperature

d)

Soil pH

38.

Which of the following is a biotic factor?

a)

Light Intensity

b)

Competition for resources

c)

Temperature

d)

Moisture Levels

39.

Select all of the techniques that can be used to sample biotic factors:

a)

Quadrats

b)

Pitfall traps

c)

pH Meter

d)

Light Meter

40.

Select all of the techniques that can be used to sample abiotic factors:

a)

Quadrats

b)

Pitfall traps

c)

pH Meter

d)

Light Meter

41.

What is the name given to a species which indicates pollution levels by its presence or absence?

a)

Indictor Species

b)

Predictor Species

c)

Pollution Species

42.

Which of the following is NOT an abiotic factor

a)

pH

b)

Light Intensity

c)

Disease

d)

Humidity

43.
Lee uses a microscope during science class. He sees this organism in a drop of water. Which organism did he most likely see?
a)
paramecium
b)
euglena
c)
amoeba
d)
vorticella
44.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
45.

Which of the following is NOT a biotic factor?

a)

Disease

b)

Competition

c)

Temperature

d)

Grazing

46.

Which of the following pieces of equipment is not used to measure abiotic factors

a)

Thermometer

b)

Light intensity meter

c)

Pitfall trap

d)

pH probe

47.

How can errors be minimised when sampling with a quadrat

a)

Placing the quadrat randomly in the sample area

b)

Sampling with a quadrat several times in an area

c)

Counting all the organisms within and touching all the edges of the quadrat

48.

What type of sample technique would we use to measure the abundance of clover in a field?

a)

A pitfall trap

b)

A moisture meter

c)

A light intensity meter

d)

A quadrat

49.

Why do we repeat our samples several times?

a)

It makes our results more accurate

b)

It makes our results more reliable

c)

It makes our results easier to understand

50.

which is best for measuring light intensity?

a)

quadrat

b)

moisture meter

c)

thermometer

d)

light meter

e)

lightsaber

51.

which is best for measuring pH?

a)

soil PH meter

b)

soil Ph meter

c)

soil ph meter

d)

soil meter

e)

soil pH meter

52.

what could be a mistake made while sampling light intensity

a)

the meter is not disinfected between samples

b)

it is a darker place

c)

your shadow covers the meter

d)

not throwing it randomly multiple times

53.

What percentage of energy from one organism is passed onto the next organism in a food chain?

a)

10%

b)

20%

c)

30%

d)

40%

54.

Which of these is not a way energy can be lost in a food chain?

a)

Heat

b)

Movement

c)

Undigested Material

d)

Growth

55.

Which letter represents the producer?

a)

A

b)

B

c)

C

d)

D

56.

There is less energy as you move up a pyramid of energy because...

a)

There are fewer organisms at each level

b)

Energy is stored at each level

c)

Energy is lost at each level

d)

The organisms are bigger as you move up a pyramid

57.
What is the source of all energy? 
a)
producers
b)
sun
c)
consumers
d)
decomposers
58.

As you work your way up the energy pyramid, what happens to the energy?

a)

It increases

b)

It decreases

c)

It stays the same

d)

Nothing

59.

In the energy pyramid, what is the bottom level composed of?

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

60.

In the energy pyramid, what comes after the producers?

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

61.

Which of these are ways energy can be lost in a food chain?

a)

Heat

b)

Movement

c)

Undigested Material

d)

Growth

62.

What percentage of energy is lost between one organism and the next organism in a food chain?

a)

10%

b)

20%

c)

50%

d)

90%

63.

An increasing human population requires...

a)

An increase in food production

b)

A decrease in food production

64.

What is the name given to chemicals that kill plants and animals that could damage crops?

a)

Pesticides

b)

Fertilisers

c)

Biological Control

d)

Nitrogen

65.

What is the term which describes the use of a predators as an alternative to chemicals?

a)

Pesticides

b)

Fertilisers

c)

Biological Control

d)

Nitrogen

66.

Which of the following terms describes a substance that contains extra nutrients required by growing plants?

a)

Pesticides

b)

Fertilisers

c)

Biological Control

d)

Nitrogen

67.

When fertilisers leach into fresh water, it leads to...

a)

A reduction in oxygen levels

b)

An increase in oxygen levels

68.

Plants require Nitrogen in order to produce...

a)

Fats

b)

Chlorophyll

c)

Amino Acids

d)

DNA

69.

What term is used to describe the growth of algae after fertilisers have leached into the water?

a)

Algal boom

b)

Algal sprouting

c)

Algal bloom

d)

Algal increase

70.

Why are chemical fertilisers added to the soil?

a)

To protect the crops.

b)

To make the crops stronger.

c)

To increase food yield.

d)

To make the crops disease resistance.

71.

What is the term used to describe fertilisers washing into waterways?

a)

Washing

b)

Leaching

c)

Running

d)

Polluting

72.

What can fertilisers cause when they are leach into waterways?

a)

algal bloom

b)

genetic variation in fish

c)

death of aquatic life

d)

decrease in plant life

73.

What are pesticides manufactured to do?

a)

kill pests to stop from eating the crops.

b)

Kill predators higher up in the food chain by accumulation.

c)

To make the pests disease resistant.

d)

To make the plants drought resistant.

74.

Bioaccumulation of pesticides means that the pesticides will...

a)

decrease in an organism

b)

increase in an organisms as move up food chain

c)

stay the same in an organism

d)

increase in an organisms as move down food chain

75.

The use of ladybirds to eat aphids is an example of...

a)

a biological control

b)

a niche

c)

a hungry organism

d)

a ecosystem

76.

Animals obtain amino acids for protein synthesis by

a)

absorbing nitrates from the soil

b)

consuming plants or other animals

c)

breathing them in

77.

Which of the following can be used as alternative(s) to pesticides

a)

GM crops

b)

Fertilisers

c)

Biological control

d)

Nitrates

78.

Which of the following can be used as alternative(s) to fertilisers

a)

GM crops

b)

Pesticides

c)

Biological control

d)

Nitrates

79.

The build up of toxic substances in living things is known as

a)

A pyramid of numbers

b)

Leaching

c)

Bioaccumulation

d)

Genetic modification

80.

Which of the following is a problem with the use of fertilisers?

a)

Algal blooms

b)

Bioaccumulation

c)

Energy loss

d)

Genetic modification

81.

What effect do algal blooms have on biodiversity in freshwater areas?

a)

Increase biodiversity

b)

Decrease biodiversity

c)

Help biodiversity levels stay the same

82.

Mutations...

a)

Are predictable

b)

Are controllable

c)

Are spontaneous

d)

Are constant

83.

Mutations...

a)

Are one of the sources of new alleles

b)

Are the only source of new alleles

c)

Are not a source of new alleles

d)

Are the source of some new alleles

84.

Which of the following is a chemical factor that increases mutation rate?

a)

UV Rays

b)

Cigarette smoke

c)

X Rays

d)

Experimentation

85.

What term is used to describe a mutation that leads to an organism becoming better adapted to its environment?

a)

Advantageous Mutation

b)

Neutral Mutation

c)

Disadvantageous Mutation

86.

What term is used to describe a mutation that has no effect on the organism?

a)

Advantageous Mutation

b)

Neutral Mutation

c)

Disadvantageous Mutation

87.

What term is used to describe a mutation that has a negative effect on the survival of the organism?

a)

Advantageous Mutation

b)

Neutral Mutation

c)

Disadvantageous Mutation

88.

Survival of the fittest is also known as...

a)

Selection Pressure

b)

Natural Selection

c)

Selective Advantage

d)

Species Selection

89.

Which organism is most likely to survive?

a)

The oldest

b)

The youngest

c)

The biggest

d)

The best adapted to its environment

90.

Which of the following is an example of a selection pressure?

a)

Having longer fur than the rest of your species

b)

Having larger horns than the rest of your species

c)

A change in temperature

d)

Being brighter in colour than the rest of your species

91.

Which of the following is an example of a selective advantage?

a)

Having short hair in a cold environment

b)

Having longer fur in a cold climate

c)

Having short hair in a very cold environment

d)

Having longer fur in a hot environment

92.

Individuals who have a selective advantage are

a)

More likely to survive and pass on their alleles.

b)

Less likely to survive and pass on their alleles

93.

What name is given to the formation of a new species?

a)

Natural Selection

b)

Speciation

c)

Selective Advantage

d)

Mutation

94.

Which of the following is not an isolation barrier?

a)

Geographical

b)

Ecological

c)

Behavioural

d)

Reproductive

95.

During speciation, sub-populations evolve until

a)

They become genetically identical

b)

They become genetically different

96.

Different groups of the same species respond to different mating calls, this is an example of which type of isolation barrier?

a)

Geographical

b)

Behavioural

c)

Ecological

97.

What is the source of new alleles (that lead to variation) in a population?

a)

Sexual reproduction

b)

Environmental factors

c)

Asexual reproduction

d)

Mutations

98.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
99.

What makes it possible for populations to evolve over time in response to changing environmental conditions?

a)

Variation

b)

Alleles

c)

Homozygous

d)

selection pressures

100.

Which of these gases is required for photosynthesis?

a)

Carbon Dioxide

b)

Oxygen

c)

Helium

d)

Nitrogen

101.

Carbon Dioxide concentration is a limiting factor

a)

True

b)

False

102.

What are the products of photosynthesis?

a)

Oxygen and sugar

b)

carbon dioxide and starch

c)

starch and light energy

d)

light energy and oxygen

103.

Which of these is a limiting factor

a)

light intnesity

b)

carbon dioxide concentration

c)

temperature

d)

oxygen concentration

104.

What is the source of energy for photosynthesis?

a)

chemical

b)

light

c)

heat

d)

electrical

105.

What are the raw materials for photosynthesis?

a)

glucose and oxygen

b)

water and oxygen

c)

water and carbon dioxide

d)

glucose and water

106.

What gas is released by plants during photosynthesis?

a)

sulfur

b)

carbon dioxide

c)

oxygen

d)

hydrogen

107.

What is the energy conversion during photosynthesis?

a)

chemical --> electrical

b)

heat --> electrical

c)

chemical --> electrical

d)

light --> chemical

108.

What could be limiting photosynthesis on a sunny winter's day?

a)

light intensity

b)

carbon dioxide concentration

c)

water

d)

temperature

109.

What could be limiting photosynthesis on a warm cloudy day?

a)

light intensity

b)

carbon dioxide concentration

c)

water

d)

temperature

110.

In which stage of photosynthesis is carbon dioxide used?

a)

light reactions

b)

carbon fixation

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