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Review final test grade 7

Total questions: 102

Worksheet time: 54mins

Name
Class
Date
1.

What structure is in plant cells but not animal cells.

a)

cell membrane

b)

cell wall

c)

vacuole

2.
The plant cell wall is made up of
a)
chitin
b)
peptidoglycan
c)
cellulose
d)
glycogen
3.

Structure X of a cell is missing. This results in the lack of control of the activities that take place in the cell. Part X is likely the

a)

nucleus

b)

cytoplasm

c)

chloroplasm

d)

cell membrane

4.

What does the nucleus coordinate?

a)

The oxygen levels

b)

the process of photosynthesis

c)

the cells activities

5.

What kind of cell is this?

a)

animal cell

b)

bell bell

c)

plant cell

d)

vacuole

6.
What does a nucleus do to help the plant cell?
a)
it controls  the plant cell
b)
it controls the animal cell
c)
controls body
d)
controls bald people
7.
what dose the plant cell have what the animal cell doesn't have?
a)
cellmembrane
b)
ctyoplasm
c)
vacuole
d)
chloroplast,cell wall
8.

What is a cell membrane ?

a)

it protects the cell

b)

it protects the box

c)

it protects the bees

d)

it protects the animal

9.
Storage of food, water, wastes, and enzymes.
a)
Vacuole
b)
Mitochondria
c)
Cell Membrane
d)
Cytoplasm
10.
The vacuoles in ________ cells are smaller.
a)
Animal
b)
Plant
11.
Which cell can change it's shape?
a)
Animal
b)
Plant
12.

Which part of the cell passes on information to new cells?

a)

cell wall

b)

nucleus

c)

cell membrane

d)

vacuole

13.

Which part of a plant cell absorbs energy from the Sun?

a)

Cell membrane

b)

Cell wall

c)

Chloroplast

d)

Cytoplasm

14.

What is a feature of a ciliated cell?

a)

Has hairs

b)

Contains haemoglobin

c)

Has a tail

d)

Has branches at the end

15.

Which of the following does NOT contain a nucleus?

a)

Neuron cells

b)

Red blood cells

c)

Root hair cells

d)

Sperm cells

16.

Which of the following receives, carries and passes on electrical impulses?

a)

Muscle cells

b)

Neuron cells

c)

Red blood cells

d)

White blood cells

17.

An oak tree is adapted to grow in a wood. Which of the following is NOT true?

a)

It has a large root system to absorb water and minerals

b)

It has a large root system to anchor the tree

c)

It has plenty of leaves to absorb sunlight

d)

It loses its leaves in autumn to save food

18.

A cactus is adapted to survive in desert conditions. Which of the following is NOT true?

a)

Flowers only open during the heat of the day

b)

The leaves are spines to prevent water loss

c)

The leaves are spines to stop animals eating them

d)

The swollen stem stores water

19.

A polar bear is adapted to live in the arctic. Which of the following is NOT true?

a)

They have a thick layer of fat for insulation

b)

They have big feet to produce high pressure on the snow

c)

They have waterproof fur for insulation when in water

d)

Their fur looks white to blend in with their surroundings

20.

The area in which an organism lives is called .......

a)

A habitat

b)

A river

c)

A wood

d)

An environment

21.

Secondary consumers are usually:

a)

carnivores

b)

decomposers

c)

herbivores

d)

producers

22.

Which of the following shows a correct food chain?

a)

Barn Owl → Dormouse → Barley

b)

Dormouse → Barley → Barn Owl

c)

Fox → Rabbit → Grass

d)

Grass → Rabbit → Fox

23.

In the following food chain 'lettuce → rabbit → hawk', the rabbit is:

a)

the primary consumer

b)

the producer

c)

the secondary consumer

d)

the top carnivore

24.

In the following food chain 'grass → grasshopper → rat → snake → hawk', the rat is:

a)

a herbivore

b)

the primary consumer

c)

the secondary consumer

d)

the top carnivore

25.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
26.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
27.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

28.

Click on the image to make it larger-- Choose the living things that are producers...

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

29.

Click on the image to make it larger--The rabbit gets energy from the ....

a)

hawk

b)

mouse

c)

wildflowers

d)

grass

30.

Click on the imgae to make it larger-- Choose the herbivores in the food web....

a)

hawk

b)

mouse

c)

rabbit

d)

snake

31.

A ____________________ shows how energy is passed from one living thing to another...

a)

ecosystem

b)

food chain

c)

habitat

32.

A ____________________ shows the competition in food chains

a)

Environment

b)

Food Web

c)

Ecosystems

33.

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.

34.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
35.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
36.

What cause air pollution ?

a)

Factories produce too much waste water and oil.

b)

Factories produce too much smoke.

37.

What cause land pollution?

a)

People throw too much rubbish in the sea.

b)

People throw too much rubbish everywhere.

c)

People reduce making rubbish.

d)

People reuse things.

38.

What cause noise pollution?

a)

People take public transport.

b)

People turn down TV.

c)

The traffic makes too much noise.

d)

The traffic makes too many fumes.

39.

What cause water pollution?

a)

People dump things in the countryside.

b)

Factories produce too much waste water and oil.

c)

Factories produce good products.

d)

Factories produce too much smoke.

40.

If we keep on causing noise pollution, what will happen?

a)

Sea animals will die.

b)

People won’t have a quiet place to live in

c)

People may have hearing problems

d)

We can’t see the sky.

41.

If we keep on causing air pollution, what will happen?

a)

We won’t have fresh air to breathe .

b)

We may have health problems.

c)

Sea animals will die.

d)

Plant and animals will die.

42.

If we keep on causing water pollution, what will happen?

a)

We won’t have a quiet place to live in.

b)

We won’t have clean water to drink.

c)

We will have hearing problem.

d)

Sea animals will die.

43.

If we keep on causing land pollution, what will happen?

a)

Plants and animals will die.

b)

Sea animals will die.

c)

People may have health problems .

d)

People won’t have clean water to drink.

44.

Adding harmful things to the environment is called

a)

Pollution

b)

Waste

c)

Acid rain

d)

Sulfur dioxide

45.

__________________is the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water.

a)

potable

b)

water pollution

c)

watershed

46.

When harmful substances build up in the air to unhealthy levels, it is called

a)

Air pollution

b)

Smog

47.

Which of these problems can be caused by air pollution?

a)

Respiratory problems

b)

Increased disease for humans

c)

Reduced food sources for humans

d)

Decrease in global temperatures

48.

The ____________________ protects people from the effects of too much ultraviolet radiation.

a)

smog layer

b)

cloud cover

c)

temperature inversion

d)

ozone layer

49.

____________________ are pollutants released into the air.

a)

Emissions

b)

Ozone molecules

c)

Wastes

d)

Acid rains

50.

The ozone layer protects us from

a)

Increased atmospheric heat

b)

CFCs

c)

UV rays

d)

Decreased atmospheric heat

51.

The ozone layer is damaged by

a)

Increased global temperatures

b)

CFCs

c)

Increase in greenhouse gases

d)

Sulfuric and nitric acids

52.

Ozone absorbs UV _________

a)

Heat

b)

Radiation

53.

The ozone layer is a consequence of _________________

a)

Biochemical reactions

b)

Chemical reactions

54.
When we discuss greenhouse gases what is the main one we discuss?
a)
Methane (CH4)
b)
Carbon Dioxide (CO2)
c)
Nitrous oxide (N2O)
d)
Flourinated gases
55.
The main human activity that releases greenhouse gases is...
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
56.
Layer of gaseous ozone in the stratosphere that protects life on earth by filtering out most harmful ultraviolet radiation from the sun
a)
Greenhouse Gases
b)
Troposphere
c)
Stratosphere
d)
Ozone Layer
57.

Location of the large whole in the ozone.

a)

Antarctica

b)

Artic

c)

Iceland

d)

Africa

58.
CFCs alter the natural formation of ozone by: 
a)
breaking up ozone and reducing the amount of O2 needed to form ozone
b)
bonding with O3 
c)
preventing UV radiation to strike ozone 
59.
__________ is an energy resource that WILL run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
c)
Fossil Fuels
d)
Forever Fuels
60.
__________ is an energy resource that WILL NOT run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
c)
Fossil Fuel
d)
Forever Fuel
61.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
62.
Solar Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
63.
Natural Gas is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
64.
Oil is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
65.
Geothermal Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
66.
Why are fossil fuels like coal, oil, and natural gas called nonrenewable resources?
a)
a.  They can never be replaced.
b)
a.  They cannot be easily replaced.
c)
a.  They can be recycled.
d)
a.  They can be made in factories.
67.
Wind is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
68.
What characteristic do all renewable resources share?
a)
Produced by waste products
b)
Form underground from dead organisms.
c)
Replaced in a short period of time
d)
Allow energy to pass through them easily
69.
What are the 3 main fossil fuels?
a)
Coal, Oil, and Gasoline
b)
Coal, Oil, and Natural Gas
c)
Electricity, Gasoline, Petroleum
d)
Coal, Oil, Non-renewable Resources
70.
Why is burning fossil fuels harmful? 
a)
then we won't have any fossil fuels if we burn them all
b)
They can get extremely hot
c)
Increases the amount of greenhouse gases in the air
d)
this would destroy fossils
71.

What happens to fossil fuels to create electricity?

a)

They are stored

b)

They are burned

c)

They are melted

d)

They are frozen

72.

Which of these is a true statement about nuclear power?

a)

It's waste can destroy habitats and ecosystems.

b)

It doesn't cost a lot of money to build.

c)

It does not produce radioactive waste.

d)

It produces very little amounts of energy.

73.

One benefit of geothermal energy is that ________________________________.

a)

a plant can be built ANYWHERE

b)

it doesn't cost a lot of money to build

c)

it can provide power 24 hours a day

d)

it harms ecosystems where it's built

74.

Why are coal, oil, and natural gas classified as nonrenewable resources?

a)

They are limitless

b)

They exist in many places on Earth.

c)

They are originally from once-living things.

d)

They take millions of years to form.

75.

What is a disadvantage to Hydroelectricity?

a)

lots and lots of pollution

b)

Kills wild bird population

c)

Radioactive waste

d)

Increases potential for flooding

76.

What are two advantages of geothermal energy?

a)

cheap and a lot pollution

b)

expensive and a lot of pollution

c)

cheap and little pollution

d)

expensive and little pollution

77.

Why is solar energy considered renewable energy?

a)

It's cheaper than fossil fuels

b)

The sun's energy would not run out for billions of years

c)

Solar energy recharges batteries

d)

All of them

78.

Which renewable resource uses the natural resource in the picture below to produce energy?

a)

wind

b)

tidal

c)

biomass

d)

geothermal

79.

Which of the following is an advantage of using coal as an energy resource?

a)

There is not an abundant supply of coal.

b)

Coal is less expensive than oil.

c)

Burning coal contributes to global warming.

d)

Coal can be used to produce electricity.

80.

Group of organisms that all share the same characteristics.

a)

Family

b)

Species

c)

Order

d)

Kingdom

81.

A species is a group of organisms with the same ...............

a)

colour

b)

size

c)

features

d)

appearance

82.

Organisms that belong to the same species can .......... with each other.

a)

interact

b)

fight

c)

breed

83.

When organisms of the same species breed together they will have ......................

a)

sons and daughters

b)

offspring

c)

children

84.

When organisms of the same species breed together, their offspring, sometimes, belong to an other species.

a)

True

b)

False

85.

Organisms that belong to different species cannot usually breed with each other

a)

True

b)

False

86.

Occasionally two organisms form different species do breed with each other. Their offspring are ................... of the two species.

a)

hybrids

b)

mixture

c)

combination

87.

A male lion and a female tiger, in a zoo, breed together. The young animals that are produced are called.......

a)

Tigerions

b)

Tigions

c)

Lioners

d)

Ligers

88.

Which plant makes spores?

a)

iris

b)

fern

c)

pine tree

d)

apple tree

89.

On a pumpkin vine, the pumpkin is considered the fruit and inside the pumpkin is where the seeds are housed. Which plant would scientists group with pumpkin plants?

a)

fern

b)

moss

c)

pine tree

d)

apple tree

90.

A student observes a tree throughout the year. The tree has cones. The tree has needle-shaped leaves. The leaves do not fall in the winter. How should the student classify this tree?

a)

as an evergreen tree

b)

as a deciduous tree

c)

as a spore producer

d)

as a flowering plant

91.

Plant part that contains a tiny new plant, or embryo

a)

flower

b)

frond

c)

seed

d)

spore

92.

This part of the plant takes in water and nutrients from the soil.

a)

roots

b)

leaves

c)

stems

d)

flowers

93.

Plants that form seeds in cones are called

a)

coniferous

b)

deciduous

c)

spore producers

d)

fruiting trees

94.

The large feathery leaf of a fern is called a(n)__________________________.

a)

embryo

b)

dicot

c)

frond

95.

_________________________ are reproductive cells of ferns and mosses.

a)

vascular plant

b)

seed

c)

spores

96.

Most conifers have _______________ that are green all year round.

a)

broad leaves

b)

flowers

c)

needle-shaped leaves

97.

Plants that must live in moist, shady places are ____________.

a)

angiosperms

b)

mosses

c)

conifers

98.

The plant group and the animal group are called

a)

groups

b)

conifers

c)

mosses

d)

kingdom

99.
What might seeds need most to grow into seedlings?
a)
Sunlight and rocks
b)
water and shade
c)
shade and flat land
d)
sun and water
100.

Guess the plant group:

Small plants. They have thin leaves that dry out easily

a)
b)
c)
d)
101.

What is a FROND?

a)

needl

b)

seed

c)

fruit

d)

leaf

102.

What are those black spots?

a)

bacterium

b)

cells

c)

spores

d)

flowers

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