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Life Science Final Exam

Total questions: 90

Worksheet time: 3hrs 43mins

Name
Class
Date
1.

All the following are characteristics of living things, Except...

a)

Can Reproduce

b)

Made of Cells

c)

Can Grow

d)

Needs Energy

e)

Can Move

2.

An organism that makes its own food.

a)

Carbohydrate

b)

Producer

c)

Consumer

d)

Decomposer

3.

An organism that receives its nutrients by breaking down dead organisms and waste.

a)

Lipid

b)

Consumer

c)

Protein

d)

Decomposer

4.

What does a virus need in order to survive?

a)

Watery environment

b)

A host cell

c)

Energy from the sun

d)

to be able to move from cell to cell

5.

What is the main difference between viruses and bacteria?

a)

Viruses are nonliving and bacteria are living cells

b)

Viruses are less serious than bacteria

c)

Nothing, they are pretty much the same

d)

Bacteria are good and viruses are bad

6.

A substance used to trigger the body to produce a resistance to certain viruses is called a:

a)

Pathogen

b)

Parasite

c)

Vaccine

d)

Vitamin

7.
Herbivores eat 
a)
plants and other consumers
b)
plants only
c)
meat only
8.
Carnivores eat
a)
plants only
b)
plants and other animals
c)
meat only
9.

Plants make their own energy molecules (food) using photosynthesis. What do we call this type of organism?

a)

Prokaryote

b)

Eukaryote

c)

Autotroph

d)

Heterotroph

10.

The most specific level of biological classification is...

a)

kingdom

b)

genus

c)

phylum

d)

species

11.

The order of the levels of classification is:

a)

Domain, kingdom, phylum, class, order, genus, family, species

b)

Domain, class, kingdom, phylum, order, genus, family, species

c)

Domain, class, kingdom, phylum, order, genus, species, family

d)

Domain, kingdom, phylum, class, order, family, genus, species

12.

Which kingdoms make up the domain Eukarya?

a)

Protista, Fungi, Plantae, Animalia

b)

Archaebacteria, Eubacteria, Protista, Fungi

c)

Plantae, Animalia, Archaebacteria

d)

Eubacteria, Archaebacteria

13.

What do you need to be able to see bacteria?

a)

Microscope

b)

Telescope

c)

Sunglasses

d)

3D Glasses

14.
What do fungi use to reproduce?
a)
Hyphae
b)
Branches
c)
Spores
d)
They split apart
15.

The cell membrane is a flexible covering that...

a)

creates structure and support for plant cells

b)

protects the cell from the environment outside of the cell

c)

directs the cells activities

16.

How is a cell membrane like a mesh screen?

a)

it is metal and has holes in it

b)

it allows big things to come through but keeps small things out

c)

it allows small things to come through but keeps big things out

17.

What structure is number 10?

a)

mitochondria

b)

nucleus

c)

chloroplast

18.
What is the function of vacuoles?
a)
store food, waste, and water
b)
make proteins
c)
create food from sun's energy and CO2
d)
control cell activities
19.
What is the function of chloroplasts?
a)
make proteins
b)
collect sun's energy
c)
create food (sugar) from sun's energy
d)
control cell activities
20.
What are tiny organelles that convert glucose into ATP?
a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
21.
What is the gel-like substance inside of cells called?

a)
photoplasm
b)
photosynthesis
c)
cytoskeleton
d)
cytoplasm
22.
When 2 alleles for a trait are different it is called ______________
a)
homozygous
b)
heterozygous
c)
genotype
d)
phenotype
23.
The combination of two alleles such as TT, Tt, tt are called___________
a)
homozygous
b)
heterozygous
c)
genotypes
d)
phenotypes
24.
Sharks are messy eaters that swim around with a small Remora fish attached to their undersides. The Remora eats any food that the shark may drop. The Remora does nothing for the shark. This is an example of what kind of symbiotic relationship?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Competition
25.
When a parasitic tapeworm gets inside a dog's intestines to obtain food, who is the host?
a)
The worm
b)
The decomposer
c)
The producer
d)
The dog
26.
What do the roots of a plant do?
a)
take in sunlight for the plant
b)
make food for the plant
c)
take in water and nutrients
d)
none of the above
27.
What does the picture show?
a)
A Food Web
b)
An Ecosystem
c)
A Food Chain
d)
A nice scenery
28.

Where does the food chain START?

a)

with consumers that eat grass

b)

with the sun giving energy to producers

c)

with the sun giving energy to consumers

d)

with consumers eating other consumers

29.
The place where an organism lives is its _________.
a)
habitat
b)
abiotic
c)
ecosystem
d)
community
30.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

31.

Who discovered and named cells while looking at cork?

a)

Captain Hook

b)

Robert Hooke

c)

Matthais Schleiden

d)

Rudolf Virchow

32.

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

a)

The Theory of Gravity

b)

The Theory of Relativity

c)

The Cell Theory

d)

The Theory of Continental Drift

33.

The process by which plants, some Bacteria, and some Protists make their own food is called __________.

a)

Phototropism

b)

Cellular Respiration

c)

Mitosis

d)

Photosynthesis

34.

Human body system responsible for cleaning your blood and removing liquid waste?

a)

Excretory System

b)

Nervous System

c)

Digestive System

d)

Respiratory System

35.

Human body system is responsible for circulating oxygen, carbon dioxide, nutrients and blood around the body?

a)

Respiratory System

b)

Nervous System

c)

Circulatory System

d)

Digestive System

36.

Human body system is responsible for helping us breathe in oxygen and exhale carbon dioxide?

a)

Nervous System

b)

Circulatory System

c)

Respiratory System

d)

Excretory System

37.

Human body system is responsible for communicating with the body by sending electrical signals?

a)

Circulatory System

b)

Digestive System

c)

Muscular System

d)

Nervous System

38.

Human body system responsible for breaking down food into nutrients?

a)

Digestive System

b)

Nervous System

c)

Excretory System

d)

Circulatory System

39.

What is the organ that leads from your mouth to your stomach?

a)

Small Intestines

b)

Spine

c)

Tongue

d)

Esophagus

40.

What organ controls all activities in our body?

a)

Heart

b)

Brain

c)

Lungs

d)

Liver

41.

Which two body systems work together to support the body and allow the body to move?

a)

circulatory and respiratory

b)

digestive and nervous

c)

skeletal and muscular

d)

circulatory and digestive

42.

What body system takes oxygen into the body and gives off carbon dioxide?

a)

Circulatory System

b)

Digestive System

c)

Respiratory System

d)

Nervous System

43.

The respiratory system consists of what organs?

a)

Mouth, stomach, small intestine, large intestine

b)

Heart, cells, lungs

c)

Brain, spinal cord, nerves

d)

Nose, trachea, bronchi, lungs, alveoli

44.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
45.
What phase of mitosis is pictured?
a)
Metaphase
b)
Telophase
c)
Prophase
d)
Anaphase
46.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
47.
Which phase comes NEXT?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
48.
Structure A refers to the _____.
a)
chromatid
b)
chromosome
c)
centromere
49.
Below is an example of a simple food chain.

Acorn → Squirrel → Fox → Mountain Lion 

What will most likely happen if squirrels are removed from the food chain?
a)
The fox will eat acorns
b)
The fox population will decrease
c)
The trees will produce fewer acorns.
d)
The mountain lion population will increase
50.

What percentage of energy is passed from one trophic level to the next trophic level?

a)

About 25% of the energy is passed to the next trophic level.

b)

Only about 10% of the energy at one level is passed to the next.

c)

About 50% of the energy is passed

d)

50% of energy is passed from one trophic level to the next

51.

All the nonliving things in an environment are called the ________ factors.

a)

abiotic

b)

biotic

c)

ecological

d)

inorganic

52.

What is an example of a biotic factor?

a)

water

b)

grass

c)

soil

53.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
54.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
55.
A community of living and nonliving things in their natural environment makes up a 
a)
food web
b)
ecosystem
c)
food chain
56.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
57.

Which trait does a puppy inherit from its parents?

a)

obediance to commands

b)

fur pattern and color

c)

affection for a specific home

d)

food brand preference

58.

Eye color, hair color, having freckles, etc. are examples of:

a)

DNA

b)

Chromosomes

c)

Genes

d)

Traits

59.

How many alleles for the same gene do offspring get?

a)

1

b)

2

c)

23

d)

100's to 1000's

60.

The observable expression of a trait is its

a)

phenotype

b)

genotype

c)

chromosome

d)

allele

61.

The passing of traits from parents to offspring is known as....

a)

hierarchy

b)

heredity

c)

traits

d)

genetics

62.
What is the phenotype of the offspring? (A-Brown hair; a-blond hair) 
a)
50 % Brown Hair and 50% Blond Hair 
b)
25 % Brown Hair and 75% Blond Hair 
c)
75 % Brown Hair and 25% Blond Hair 
d)
0% Brown Hair and 100% Blond Hair 
63.

Look at the punnett square shown. What allele pair would replace the "?"

a)

WW

b)

Ww

c)

ww

64.

In rabbits, black fur is dominant and white fur is recessive. If two white rabbits mate, what is the chance that they will produce an offspring with black fur?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

65.

What is a Punnett Square used for in Mendelian Genetics?

a)

A tool used in genetics to draw squares.

b)

A mathematical equation used to identify whether offspring resulted from mitosis or meiosis.

c)

A Punnett Square allows the prediction of the percentages or probability of phenotypes in the offspring from known genotypes.

d)

A square used to organize all the genes in a numerical sequence from the lower number to the highest number.

66.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
67.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
68.

Traits that help an organism survive in a specific environment.

a)

Variation

b)

Adaptation

c)

Behavior

d)

Environment

69.

According to natural selection, light colored tree trunks would favor

a)

light colored moths

b)

dark colored moths

c)

red colored moths

d)

red and light colored moths

70.

Why is the mouse population changing over time? (You can enlarge the picture by placing your cursor on it.)

a)

The light mice can reproduce more successfully than the dark mice

b)

The hawks eat more dark mice than light mice because the dark mice taste better

c)

The hawks eat more light mice than dark mice because they can see the light mice more easily

d)

The hawks eat more dark mice than light mice because they can see the dark mice more easily

71.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
72.
What is a dominant allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
73.
Dominant or recessive?
tt
a)
Dominant 
b)
Recessive
74.

An organism that hunts other animals is a _______.

a)

Predator

b)

Prey

75.
Cactus. Is it a.....
a)
Producer
b)
Consumer
c)
Decomposer
76.
Frog. Is it a....
a)
Producer
b)
Conusmer
c)
Decomposer
77.
Fungi. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
78.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
79.

I am a bat that lives in caves. At night, I fly around and locate moths to eat for nutrition.

a)

Commensalism

b)

Predation

c)

Mutualism

d)

Parasitism

80.

Cleaner wrasse live in “cleaning stations” in a reef. They remove and eat parasites, dead tissue and mucous from reef fish, which helps reef fish stay healthy.

a)

Commensalism

b)

Mutualism

c)

Predation

d)

Parasitism

81.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. 
a)
parasitism
b)
commensalism
c)
mutualism
82.
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. 
a)
parasitism
b)
commensalism
c)
mutualism
83.
What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
84.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
85.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
86.
The "effect" of a given stimulus is the...
a)
response
b)
stimulus
c)
cause
d)
result
87.
Failure to maintain homeostasis could result in:
a)
lack of internal balance
b)
eventual death
c)
difficulty carrying on metabolism 
d)
all three
88.
What is diffusion?
a)
when molecules move 
b)
when molecules move from a high concentration to a low.
c)
no movement 
d)
molecules move everywhere
89.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
90.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy

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