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Biology Midterm Review

Total questions: 119

Worksheet time: 3hrs 46mins

Name
Class
Date
1.

What is the primary goal of sustainability?

a)

Economic growth at all costs

b)

Meeting current needs without compromising the ability of future generations to meet their needs

c)

Exploiting natural resources to their maximum potential

d)

Social equity at all costs

2.

Which is an example of a sustainable farming practice?

a)

spraying large amounts of chemical fertilizer

b)

replanting a tree for every tree that's cut down

c)

depleting the soil nutrients

d)

dumping waste in the river

3.

Choose two pictures representing unsustainable use of resources.

a)

solar energy

b)

wind energy

c)

burning coal

d)

landfills

4.

Which of these problems could happen if we don't look after the resources we have?

a)

Loss of animal homes

b)

Climate change

c)

Increase in pollution

d)

All of the above

5.

Match the following solution to it's pillar:

a)

Everyone being able to afford the solution.

1.

Social

b)

The solution reducing pollution.

2.

Environmental

c)

Humans able to make more money.

3.

Profit

6.

Which pillar would be supported by: Everyone being able to buy an electric car?

a)

Social

b)

Environmental

c)

Economic

7.

Which activity would result in the biggest decrease of carbon dioxide in the atmosphere?

a)

planting fewer trees and grasses

b)

converting forested areas to farm fields

c)

reducing the use of fossil fuels

d)

limiting the number of animals in an area

8.

Which pillar would be supported by: An reduction in air pollution?

a)

Social

b)

Environmental

c)

Economic

9.

What is the purpose of a controlled experiment?

a)

To test multiple variables at once

b)

To compare the experimental group with the control group

c)

To change all variables in the experiment

d)

To avoid using a control group

10.

Which variable is manipulated by the researcher in an experiment?

a)

extraneous variable

b)

control variable

c)

dependent variable

d)

independent variable

11.

What is a control group?

a)

A control group is a group in an experiment that receives a higher dosage of the experimental treatment or intervention.

b)

A control group is a group in an experiment that receives a different type of experimental treatment or intervention.

c)

A control group is a group in an experiment that receives the same dosage of the experimental treatment or intervention.

d)

A control group is a group in an experiment that does not receive the experimental treatment or intervention.

12.

What is an experimental group?

a)

A group in an experiment that does not receive any treatment or intervention.

b)

A group in an experiment that receives the treatment or intervention being tested.

c)

A group in an experiment that is used as a control.

d)

A group in an experiment that is randomly selected from the population.

13.

Which variable is measured or observed in an experiment?

a)

dependent variable

b)

extraneous variable

c)

control variable

d)

independent variable

14.

Why is it important to have controlled variables in an experiment?

a)

To confuse the participants of the experiment.

b)

To increase the chances of getting accurate results.

c)

To make the experiment more complicated.

d)

To ensure that observed changes are due to the manipulated variable and not other factors.

15.

1)    You water some plants with 4 different types of water (salt water, regular water, sugar water and distilled water). After a two-week period, the height of the plants is measured. What is the control group in this experiment?

What is the Control Group?

a)

height of plants

b)

types of water

c)

salt water

d)

regular water

16.

The independent variable is:

a)

x

b)

y

17.

Select the correct independent and dependent parts of the graph .

(choose 2 answers)

a)

The independent variable is distance

b)

The independent variable is time

c)

The dependent variable is distance

d)

The dependent variable is time

18.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
19.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
Type of sunflower
20.

What does the underlined portion represent?


The amount of food I eat at a restaurant vs the cost of the check

a)

Independent

b)

Dependent

21.

Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.


What is the independent variable?

a)

speed of students working math problems

b)

the use of calculators

22.

What are the levels of ecology from smallest to the largest?

a)

organism, population, community, ecosystem, biome, biosphere

b)

organism, community, population, biome, ecosystem, biosphere

c)

population, organism, community, ecosystem, biosphere, biome

d)

biome, community, population, ecosystem, biosphere, organism

23.

Photosynthesis is important because...

a)

it makes carbon dioxide

b)

it makes food for the food webs

c)

it makes water

d)

it's not important

24.
What type of growth is represented behind?
a)
exponential
b)
logistics
c)
a good kind
d)
representative
25.
If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
26.

This graph shows ________?

a)

exponential growth.

b)

logistic growth.

27.
Any factor that limits population growth
a)
Limiting Factor
b)
Immigration
c)
Succession
d)
Abiotic Factor
28.
A group of organisms of the same species living in the same place at the same time is called a(n) _________.
a)
ecosystem
b)
population
c)
community
d)
organism
29.
Which of the following would INCREASE the carrying capacity of an ecosystem?
a)
increase in predators
b)
disease
c)
increase in available food
d)
drought
30.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
31.

Emigration is

a)

the movement out of an area

b)

the movement into an area

c)

movement in and out of an area

d)

migration

32.

Immigration is ...

a)

the movement into an area.

b)

the movement out of an area.

c)

the migration process.

d)

an exponential graph.

33.

What does the carrying capacity mean?

a)

The number of individuals an area can carry

b)

the number of births

c)

The number of deaths an area has

d)

not sure

34.

Parasites, disease, and predators, are examples of what type of limiting factors?

a)

density dependent

b)

density independent

c)

survivorship

d)

type 1 curve

35.

During a school picnic, Nora, Michael, and Ethan were discussing their food habits. Nora said she eats both plants and animals. What would you call Nora based on her food habits?

a)

Omnivore

b)

Carnivore

c)

Herbivore

d)

Vegetarian

36.

Mia, Abigail, and Grace went to a zoo. They saw a lion that was being fed. If the lion only eats meat, what type of organism would it be considered?

a)

Herbivore

b)

Vegan

c)

Omnivore

d)

Carnivore

37.

During a field trip to a farm, Luna, Grace, and Oliver observed an animal that was eating only plants. What type of organism is this?

a)

Pescatarian

b)

Herbivore

c)

Omnivore

d)

Carnivore

38.

Priya and Benjamin went on a field trip to a forest. They observed some animals and plants. They noticed that some organisms must consume other organisms to obtain energy. Which type of organisms are they referring to?

a)

Heterotrophs

b)

Autotrophs

c)

Primary

d)

Secondary

39.

During a science class, Charlotte, Henry, and James were learning about different types of organisms. They learned that some organisms synthesize their own energy using sunlight. What are these organisms called?

a)

Secondary

b)

Autotrophs

c)

Heterotrophs.

d)

Primary

40.
What 2 factors decrease population size?
a)
Immigration, Births
b)
Emigration, Births
c)
Emigration, Deaths
d)
Immigration, Deaths
41.

A species that helps to manage prey populations, which in turn controls the ecosystem's producers (vegetation).

a)

predator

b)

keystone

c)

engineer

d)

mutualist

42.

Arrows in a FOOD WEB represent

a)

what eats what

b)

flow of energy

c)

which trophic level each organism is at

d)

who is a predator and who is prey

43.

How much energy transfers to each trophic level in an energy pyramid?

a)

10%

b)

0%

c)

100%

d)

90%

44.
Barnacles grow on whales.  Whales give the barnacles a place to live but the barnacles do not help or harm the whale.  Which type of relationship is this?
a)
commensalism
b)
mutualism
c)
parasitiesm
45.
An oxpecker bird eats ticks off of a zebra.  The bird gets food from eating the ticks and the zebra has harmful parasites removed.  Which type of symbiosis is this?
a)
mutualism
b)
parasitism
c)
commensalism
46.
An oxpecker bird eats ticks off of a zebra.  The bird gets food from eating the ticks and the zebra has harmful parasites removed.  Which type of symbiosis is this?
a)
mutualism
b)
parasitism
c)
commensalism
47.

A bear, that eats a fish, that ate bugs, that ate algae is a...

a)

primary producer

b)

secondary consumer

c)

primary consumer

d)

tertiary consumer

48.

Mark all the organisms that are considered producers

a)
b)
c)
d)
e)
49.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
50.
Which biome, because of its climate and amount of rainfall, has the largest number of species of plants and animals?
a)
Tundra
b)
Rainforest
c)
Desert
d)
Pineforest
51.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
52.

The simplest grouping of MORE than one organism in the biosphere is a(n)

a)

population

b)

community

c)

ecosystem

d)

species

53.

Which animals are both producers and consumers?

a)

herbivores

b)

carnivores

c)

omnivores

d)

autotrophs

54.

A frog that has eaten an insect that fed on a plant is a

a)

producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

55.

Which is a biotic factor that affects the size of a population in a specific ecosystem?

a)

average temperature

b)

type of soil

c)

amount of oxygen

d)

kinds of predators

56.

Different species can share the same habitat, but competition among them is reduced if they

a)

reproduce at different times

b)

eat less

c)

increase their populations

d)

occupy different niches

57.

Water, sunlight, shelter, and space are resources that are often........

a)

abiotic limiting factors

b)

biotic limiting factors

c)

non-limiting factors

d)

exponetial factors

58.

Biotic

a)

Something that needs energy (eats), grows and reproduces

b)

Something that DOES NOT need energy (eats), grows and reproduces

c)

All the living and non-living things in an ecosystem

d)

An organism's home

59.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water,  and air
c)
elephants, plants, trees 
60.

Abiotic

a)

Something that needs energy (eats), grows and reproduces

b)

Something that DOES NOT need energy (eats), grows and reproduces

c)

All the living and non-living things in an ecosystem

d)

An organism's home

61.

What is a biome?

a)

A biome is a large geographical area characterized by its distinctive climate, vegetation, and animal life.

b)

A biome is a term used to describe the study of animal behavior in their natural habitats.

c)

A biome is a man-made structure designed to house a specific type of vegetation and animal life.

d)

A biome is a small geographical area characterized by its distinctive climate, vegetation, and animal life.

62.

What is the biosphere?

a)

The global sum of all ecosystems on Earth, including all living organisms and their interactions with the environment.

b)

The study of the Earth's history and the life forms that existed in the past

c)

A type of microscope used to study living organisms

d)

The layer of the atmosphere closest to the Earth's surface

63.

In this energy pyramid, which organisms have the most energy available?

a)

Producers

b)

Carnivores

c)

Herbivores

d)

Top Predator

64.
Why are producers found at the base of the pyramid?
a)
They create all of the energy and therefore have the most energy of all of the trophic levels
b)
There are more plants than animals. 
c)
They begin the flow of energy in an ecosystem.
d)
All of these answers are correct. 
65.

Food Pyramids can be used to

a)

Locate where the most energy is

b)

See who eats what

c)

See all the organisms in the area

d)

See which organism carries the most biomass

66.

Check all the ways that carbon dioxide is REMOVED from the atmosphere.

a)

Respiration

b)

Combustion

c)

Photosynthesis

d)

Diffusion

e)

Decomposition

67.

Check all the ways that carbon dioxide is ADDED to the atmosphere.

a)

Respiration

b)

Combustion

c)

Photosynthesis

d)

Diffusion

e)

Decomposition

68.

If a forest fire occurs, what will happen to the carbon in the forest?

a)

It will go into the soil

b)

It will go into the atmosphere

c)

It will runoff into nearby streams and rivers

d)

It will be destroyed

69.

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

a)

burning . . . photosynthesis

b)

fixation . . . decomposition

c)

decomposition . . . photosynthesis

d)

respiration . . . decomposition

e)

respiration . . . photosynthesis

70.

Grasses directly pass energy to...

a)

grasshopper, frog, bird

b)

mouse, rabbit, grasshopper

c)

rabbit, fox, snake

d)

frog, owl, mouse

71.

What is the frog considered in this food web?

a)

producer

b)

primary consumer

c)

secondary consumer

d)

tertiary consumer

72.

Why are decomposers important in an ecosystem?

a)

They break down dead organic matter and recycle nutrients

b)

They hunt for food

c)

They make their own food

73.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2

74.
Plants give off _____ that animals need to take in;  animals give off _____ that plants need to take in.
a)
oxygen; carbon dioxide
b)
nitrogen; oxygen
c)
carbon dioxide; oxygen
d)
helium; nitrogen
75.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
76.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
77.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
78.
Which of the following structure can be found in a plant cell but NOT an animal cell?
a)
vacuole
b)
nucleus
c)
chloroplast
d)
mitochondria
79.

What type of cell is pictured above?

a)

Plant Cell

b)

Animal Cell

80.
Under a microscope, a student observes a specimen containing a cell wall, nucleus, and chloroplasts. Which of the following could the specimen being observed belong to?
a)
oak tree leaf
b)
human
c)
bacteria
d)
cat hair
81.

What is a rigid layer that lies outside the plant cell's membrane?

a)

Cytoskeleton

b)

Cilia

c)

Cell Wall

d)

Flagella

82.

Packages, customizes and distributes materials to the cell

a)

Endoplasmic reticulum

b)

Golgi bodies

c)

Mitochondrian

d)

Cell Wall

83.

Produces the energy needed for the cell

a)

Vacuole

b)

Nucleus

c)

Endoplasmic Retriculum

d)

Mitochondria

84.

Produces proteins in all cells

a)

Cell Membrane

b)

Nucleus

c)

Lysosomes

d)

Ribosomes

85.

"Organelle" means...

a)

"Little Tissue"

b)

"Control Center"

c)

"Baby cells"

d)

"Little organ"

e)

"Powerhouse"

86.

The nucleus is the...

a)

Powerhouse of the cell

b)

Control center of the cell

c)

Outside of the cell

d)

Garbage disposal of the cell

87.

What structure helps a cell maintain its shape?

a)

Nucleus

b)

Cytoskeleton

c)

Cytoplasm

d)

Mitochondria

88.

Controls what goes in and out of the cell.

a)

cell membrane

b)

cell wall

c)

organelle

d)

cell

89.

Match the following organelles with their function.

a)

Mitochondria

1.

Converts glucose to energy

b)

Nucleus

2.

Control center of cell; directs activity

c)

Ribosomes

3.

Creates proteins

d)

Vacuole

4.

Storage

e)

Endoplasmic Reticulum

5.

Transports materials around the cell

90.

Match the following organelles with their function.

a)

Cell Membrane

1.

Controls what enters and exits the cell

b)

Cell Wall

2.

Provides structure and support

c)

Cytoplasm

3.

Jelly like substance holding organelles

d)

Lysosomes

4.

Breaks down items no longer needed

e)

Chloroplasts

5.

Responsible for making glucose

91.
A storage structure- in an animal cell there are many small ones, but in a plant cell there is just one large one.
a)
vacuole
b)
ribosomes
c)
golgi body
d)
chloroplast
92.

Which cell type has a circular shape?

a)

Animal Cell

b)

Plant Cell

c)

Both

93.

In which cell type is a small vacuole found?

a)

Animal Cell

b)

Plant Cell

c)

Both

94.

Which organelle is responsible for storing genetic information?

a)

nucleus

b)

endoplasmic reticulum

c)

ribosome

d)

mitochondria

95.

What is the function of lysosomes in a cell?

a)

Producing energy for the cell

b)

Transporting nutrients into the cell

c)

Regulating cell division

d)

Breaking down waste materials and cellular debris

96.

What is the function of the endoplasmic reticulum?

a)

The function of the endoplasmic reticulum is protein synthesis, lipid metabolism, and detoxification.

b)

The function of the endoplasmic reticulum is cell division.

c)

The function of the endoplasmic reticulum is waste elimination.

d)

The function of the endoplasmic reticulum is energy production.

97.

Label the cell.

a)mitochondrion
b)endoplasmic reticulum
c)nucleus
d)microtubules
e)Golgi body
f)lysosome
g)centrioles
1
2
3
4
5
6
7
1)
2)
3)
4)
5)
6)
7)
98.

What are the two layers of the cell membrane called?

a)

lipid bilayer

b)

protein bilayer

c)

cholesterol bilayer

d)

phospholipid bilayer

99.

What is selective permeability?

a)

Property of a membrane to allow only small molecules to pass through.

b)

Property of a membrane to allow certain substances to pass through while restricting the passage of others.

c)

Ability of a membrane to allow all substances to pass through freely.

d)

Property of a membrane to allow substances to pass through based on their size.

100.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
101.

Phospholipids are made up of two parts. Which of the following correctly describes these two parts?

a)

hydrophobic head, hydrophilic tail

b)

hydrophobic head, hydrophobic tail

c)

hydrophilic head, hydrophobic tail

d)

hydrophilic head, hydrophilic tail

102.
A type of active transport that brings particles into a cell when the cell membrane encloses a particle to make a vesicle
a)
Diffusion
b)
Passive Transport
c)
Active Transport
d)
Endocytosis
103.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
104.

When placed in a solution of 30% water 70% salt, what would happen to a cell that is 70% water?

a)

it will take in salt and swell

b)

it will take in water and swell

c)

it will lose water and shrink

d)

it will remain the same size

105.
An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
106.
If a cell is placed in a HYPOTONIC solution, water will move _________ of the cell, causing it to ___________.
a)
into, swell
b)
out of, shrivel
c)
in and out of the cell, stay the same
107.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
108.
Another term for equilibrium is...
a)
Equality
b)
Babycakes
c)
Homeostasis
d)
Balance
109.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
110.

Passive Transport

a)

Does require cell energy

b)

Does NOT require cell energy

111.

What type of transport uses a transport protein?

a)

Osmosis

b)

Facilitated diffusion

112.

What is the name of structure 2?

a)

Glucosamine

b)

Phospholipid bilayer

c)

Hydrophrenous

d)

Protein channel

113.

Diffusion & Facilitated Diffusion are both __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

114.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
115.

Match the following terms to the correct descriptions:

a)

something in liquid (ex. salt)

1.

Solute

b)

the liquid

2.

Solvent

c)

a liquid with something dissolved in it

3.

Solution

116.
Active transport allows a cell to move molecules from an area of low concentration to an area of high concentration.
a)
True
b)
False
117.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
118.
A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?
a)
Water moved into the lettuce cells by active transport.
b)
Water moved into the lettuce cells by osmosis.
c)
Salt moved into the lettuce cells by diffusion.
d)
Water moved out of the lettuce cells by osmosis.
119.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

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