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Science Review

Total questions: 54

Worksheet time: 39mins

Name
Class
Date
1.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
2.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
3.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
4.
All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
5.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
6.
_ are organelles responsible for digesting certain materials within the cell.
a)
vacuoles
b)
chloroplasts
c)
lysosomes
d)
cell membrane
7.
Which of the following is not part of the cell theory?
a)
cells must contain DNA 
b)
all living things are made from cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
8.
A characteristic that is passed from parent to offspring
a)
inherited trait
b)
chromosome
c)
pedigree
d)
DNA
9.
One of the threadlike structures in the nucleus of a cell that contain directions for the cell's activities
a)
variation
b)
pedigree
c)
DNA
d)
chromosome
10.
The passing of inherited traits from parents to offspring
a)
acquired traits
b)
inherited traits
c)
heredity
d)
genetics
11.
The man who studied genetics and came up with genetics is
a)
Watson
b)
Crick
c)
Mendel
d)
Darwin
12.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
13.
These cause variations.
a)
mutations
b)
adaptations
c)
a desire to change
d)
injuries
14.
An inherited trait that increases an organism's chance of surviving and reproducing.
a)
variation
b)
adaptation
c)
vestigial structure
d)
mutation
15.
What is it called when humans decide which traits of an organism are the most desirable and only allow those organisms with the specific, desired traits to breed.
a)
biological evolution
b)
evolution by natural selection
c)
artificial selection
d)
inbreeding
16.
When an organism has a trait that allows it to blend in with its environment, we call that ____.
a)
mimicry
b)
camouflage
c)
lucky
d)
sonic hedgehog gene
17.
When an organism has a trait that makes it resemble another species, either in looks or behavior, we call that ____
a)
mimicry
b)
camouflage
c)
copycatting
d)
sonic hedgehog gene
18.
Breed an organism for a desired trait is the definition of
a)
selective breeding
b)
natural selection
c)
natural breeding
d)
biological evolution
19.
A group of orangutan have become very similar after a series of drastic changes in their environment.  This similarity is likely the result of
a)
selective breeding
b)
random mutaion
c)
inbreeding
d)
natural selection
20.

What is a primary consumer?

a)

An organism that eats meat.

b)

An organism that eats plants.

c)

An organism that eats dead things.

d)

An organism that makes it own food.

21.

What is a decomposer?

a)

An organism that eats meat.

b)

An organism that eats plants.

c)

An organism that eats dead things.

d)

An organism that makes its own food.

22.

What is a producer?

a)

An organism that eats meat.

b)

An organism that makes its own food.

c)

An organism that eats dead things.

d)

An organism that eats plants.

23.

What is a carnivore?

a)

An organism that eats plants.

b)

An organism that make its own energy.

c)

An organism that eats meat.

d)

An organism that eats dead things.

24.
Which is a biotic factor?
a)
Fox
b)
Mountain
c)
Air
d)
Sunlight
25.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
26.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
27.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
28.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
29.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
30.

Biotic factors include...

a)

living things like animals, fungi, and plants

b)

landfills

c)

nonliving things like soil, rocks, and water

d)

both living and nonliving things

31.

All living things need _________ and _________ factors to survive.

a)

food and plants

b)

biotic and abiotic

c)

sunlight and good weather

d)

cans of tuna and water

32.

All living things depends on the __________ to survive.

a)

sun

b)

jupiter

c)

the moon

d)

pizza

33.

A plant or animal in an ecosystem is a -

a)

organism

b)

community

c)

population

34.

A habitat is a small group of ducks.

a)

True: It's ducks.

b)

False: It's a place where an organism naturally lives and grows

c)

False: It's a small group of chickens.

d)

False: It's a place where organisms are taken so they can adapt

35.
Features of the surface of the Earth such as mountains, hills, dunes, oceans, and rivers are called
a)
delta
b)
erosion
c)
landforms
36.
The movement of weathered material on the Earth's surface by wind, water, and ice is
a)
erosion
b)
deposition
c)
landslides
37.
A sudden release of energy under the Earth's surface that makes the ground shake or crack is
a)
weathering
b)
earthquake
c)
landform
38.
The breakdown of rock into smaller particles from the effects of wind, water and ice is
a)
deposition
b)
delta
c)
weathering
39.
The buildup of land by depositing sediment and soil in a new location is
a)
earthquake
b)
weather
c)
deposition
40.
When a river flows over the Earth and carves out a hole in the surface it makes a 
a)
hill
b)
mountain
c)
canyon
41.
Which process takes the longest to change the Earth's surface?
a)
volcanic eruptions
b)
earthquake shaking the earth
c)
weather of rock by wind
42.
Weathering is not caused by 
a)
rivers flowing from the mountains
b)
strong winds blowing
c)
the rotation of the earth
43.
When moving water leaves soil behind, it is called
a)
erosion
b)
weathering
c)
corrosion
d)
deposition
44.
Weathering is the natural process of
a)
breaking down rock.
b)
loosening bits of rock from the soil.
c)
moving soil to a different location.
d)
materials settling out of water.
45.
Muddy water being carried away by a fast moving river.
a)
weathering
b)
erosion
c)
deposition
46.

How many planets are there?

a)

3

b)

6

c)

9

d)

4

47.

What is the planet that we live in?

a)

Pluto

b)

Earth

c)

Mars

d)

Jupiter

48.

What is our sun?

a)

A sun

b)

A planet

c)

A banana

d)

A star

49.

What pulls us towards Earth?

a)

Gravity

b)

Stars

c)

Air

d)

Land

50.

A star is made up of...

a)

Moss

b)

Hot gas

c)

Rocks

d)

Water

51.

What is the largest planet?

a)

Mercury

b)

Jupiter

c)

Earth

d)

The Sun

52.

Which is NOT a gaseous giant?

a)

Neptune

b)

Saturn

c)

Uranus

d)

Mars

53.

What orbits the Earth?

a)

The Moon

b)

Pluto

c)

The Sun

d)

Stars

54.

What planet is the third rock from the sun?

a)

Earth

b)

a comet

c)

Venus

d)

Saturn

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