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Worksheets

Final Biology Term 2 Summer 2022

Total questions: 176

Worksheet time: 2hrs 54mins

Name
Class
Date
1.

How many chambers of the heart are there?

a)

25

b)

4

c)

2

d)

3

2.

Arteries

a)

carry oxygenated blood to the heart

b)

carry oxygenated blood away from the heart

c)

carry deoxygenated blood to the heart

d)

carry deoxygenated blood away from the heart

3.

Veins

a)

carry deoxygenated blood to the heart

b)

carry deoxygenated blood away from the heart

c)

carry oxygenated blood to the heart

d)

carry oxygenated blood away from the heart

4.

Blood is made up of

a)

Plasma

b)

Blood cells - red and white

c)

Platelets

d)

All of the above

5.

White blood cells

a)

are mostly water and transport substances around the body

b)

carry oxygen around the body

c)

protect the body from disease

d)

clot the blood

6.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
7.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
8.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
9.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
10.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
11.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
12.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
13.
__________ is an organism that eats BOTH plants and animals for energy.
a)
Omnivore
b)
Darnivore
c)
Carnivore
d)
Herbiovre
14.
Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.
a)
Franivore
b)
Carnivore
c)
Herbivore
d)
Omnivore
15.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
16.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
17.
Which level has the most energy available?
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
18.
DNA has a _____________ structure. 
a)
double helix
b)
single strand
c)
ring 
d)
chain
19.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
20.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
21.
Long strands of DNA are called
a)
DNA
b)
Chromosome
c)
Alleles
d)
Phenotype
22.

A segment of DNA that has the ability to code for a specific trait.

a)

gene

b)

allele

c)

chromosome

d)

chromatid

23.

Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.

a)

10, 20

b)

25, 100

c)

23, 46

d)

46, 92

24.

Genetically determined characteristic. For example: eye color.

a)

Gene

b)

Genetics

c)

Heredity

d)

Trait

25.

Genes can be turned on or off.

a)

Gene Control

b)

Gene Regulation

c)

Gene Switch

d)

Genetics

26.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
27.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
28.

single celled organism that lacks a nucleus

a)

bacteria

b)

cell wall

c)

flagellum

d)

endospore

29.

Cells that lack membrane bound organelles such a nucleus are called

a)

prokaryotic

b)

eukaryotic

30.

Type of medicine used to kill bacterial infections in the body.

a)

vaccine

b)

antibiotics

c)

pasteurization

d)

anti-viral medications

31.

What might happen if you didn't have bacteria in your digestive tract?

a)

Your intestines would shut down

b)

Your body couldn't break down certain types of food

c)

You would never get sick

d)

You wouldn't be able to eat vegetables

32.

Which of the following is a true statement about bacteria?

a)

Bacteria exist in only a few environments on earth

b)

Bacteria can grow to extremely large sizes

c)

Most bacteria are harmful to humans

d)

Bacteria can be both harmful and helpful to humans

33.

In what form does carbon return to the atmosphere after it is released from the burning of fossil fuels?

a)

oxygen

b)

water vapor

c)

carbon dioxide

d)

glucose

34.

Where does Photosynthesis get the carbon dioxide it needs?

a)

from photosynthesis

b)

from the water cycle

c)

from cellular respiration

d)

from the nitrogen cycle

35.

Which gas dissolves in the ocean and is used in Photosynthesis for aquatic plants?

a)

water vapor

b)

nitrogen gas

c)

carbon dioxide

d)

glucose

36.

Which of the following statements is true about carbon and carbon dioxide?

a)

Carbon dioxide returns to the atmosphere as carbon in Photosynthesis.

b)

Photosynthesis returns carbon to the atmosphere as carbon dioxide.

c)

Cellular Respiration returns carbon to the atmosphere as carbon dioxide.

d)

none of the above

37.

List three ways that cause carbon to be released into the atmosphere as carbon dioxide?

a)

burning of fossil fuels

b)

exhaling

c)

photosynthesis

d)

cellular respiration

38.

How is carbon dioxide used in the ocean?

a)

It is used in Cellular Respiration.

b)

It is used in Photosynthesis.

c)

it is as food for the fish.

d)

None of the above.

39.

Where does nitrogen goes once it is in the soil?

a)

stems of plants

b)

leaves of plants

c)

roots of plants

d)

flowers of plants

40.

What lives in the roots of plants that fix the nitrogen so that plants can use the nitrogen?

a)

bacteria

b)

viruses

c)

malaria

d)

protists

41.

Organisms trying to get the same resource.

a)

Mutualism

b)

Predation

c)

Symbiosis

d)

Competition

42.

A type of symbiosis where one organism benefits, while the other organism is harmed.

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Amensalism

43.

It captures and kills another organism for food.

a)

Predator

b)

Prey

c)

Decomposer

d)

Scavenger

44.

A type of symbiosis where both organisms benefit.

a)

Commensalism

b)

Mutualism

c)

Predation

d)

Parasitism

45.

Examine the predator-prey graph. The top (higher) line represents the rabbit population, and the bottom (lower) line represents the wolf population.

What happens after the prey population increases?

a)

The predator population decreases because it has a plentiful food source.

b)

The predator population increases because it has a plentiful food source.

c)

The predator population decreases because it has a food shortage.

d)

The predator population increases because it has a food shortage.

46.
Fermentation involves
a)
aerobic respiration
b)
anaerobic respiration 
47.
Why is yeast used to bake bread? 
a)
The waste gas, CO2, makes bread rise
b)
The alcohol produced makes bread dangerous
c)
The yeast consumes O2, causing bread to rise
48.
Fermentation is cellular respiration without which molecule?
a)
CO2
b)
O2
c)
C6H12O6
49.
When respiration occurs with oxygen, it is called _______
a)
anaerobic
b)
aerobic
c)
light-dependent
d)
fermentation
50.
Fermentation is:
a)
Cellular Respiration 
b)
Photosynthesis
c)
Aerobic
d)
Anaerobic
51.
In the given scenario what will happen?  An egg is placed in pure water for 48 hours.
a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
52.
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
53.

What do the circles represent?

a)

Male

b)

Female

54.

Examine the parents in generation I. How many children do they have?

a)

3

b)

5

c)

6

d)

7

55.

Examine the parents in generation I. How many great grandchildren do they have?

a)

0

b)

2

c)

3

d)

5

56.
This type of allele masks the recessive allele and is capital ________________
a)
Dominant
b)
Homozygous
c)
Genotype
d)
Phenotype
57.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
58.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
59.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
60.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
ecological succession
c)
secondary succession
d)
intermediate
61.

What type of succession occurs in an area that has no soil, for example a lava flow.

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

62.

What type of succession occurs in an area that once had plants and animals, then there was a disturbance (like a forest fire) and now only has soil?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

63.

Consider identical twins. How can one twin develop a genetic related disease while the other does not?

a)

Luck

b)

Epigenetic Factors

c)

Their genes are not identical

d)

One likes Rock music and the other likes Country Western.

64.

How does methylation do DNA transcription?

a)

It affects how and where the DNA is decoded

b)

it changes the Gene coding so the twin is different.

c)

it causes mutations in DNA

d)

It changes the RNA in the Mitochondria

65.

How is methylation changed or added in the DNA? Select all that are true.

a)

Stress during pregnancy

b)

Smoking and drug use

c)

Eating certain types of food

d)

Trauma any time in life

66.

What bone is highlighted?

a)

Ribs

b)

Vertebrae

c)

Clavicle

d)

Femur

67.

What is the function of the organelle depicted in the photo?

a)

To dispose of waste in the cell.

b)

To capture sunlight and convert it into glucose for the cell.

c)

To release energy into the cell.

d)

To control what leaves and enters the cell.

68.

Which photo shows the mitochondrion of the cell?

a)
b)
c)
d)
69.

The purple organelle in photo depicts which organelle?

a)

Nucleus

b)

Endoplasmic Reticulum

c)

Lysosome

d)

Ribosome

70.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

cell membrane

71.

Which organelle makes proteins?

a)

Mitochondria

b)

Chloroplast

c)

Ribosome

d)

Lysosome

72.

Which organelle produces the energy a cell needs to carry out its function

a)

Mitochondria

b)

Golgi Bodies

c)

Cytoplasm

d)

Nucleus

73.

what is the function of ribosomes

a)

to assemble amino acids to create proteins

b)

to pack proteins

c)

to clean proteins

74.

Microscopic sacs in the lungs are called:

a)
alveoli
b)
bronchi
c)
villi
75.
The breathing muscle is called:
a)
Epiglottis
b)
Bronchiole
c)
Diaphragm
76.

To understand DNA replication, we need to understand the “why.” Why does DNA need to replicate before cells divide?

a)

So that each cell has a full copy of DNA

b)

So that each cell has half a copy of DNA

c)

So that each cell has a no copies of DNA

d)

So that each cell has a different copies of DNA

77.

What does the enzyme DNA Polymerase do?

a)

unzips the 2-strand DNA into single strand

b)

builds a new set of DNA

c)

shows way for Polymerase, creates primer

d)

glues fragments of DNA together

78.

What are the structures of the skeletal system?

a)

bones, cartilage, ligaments, joints

b)

support, protection, movement, storage, blood cell production

c)

skeletal muscle, smooth muscle, cardiac muscle

d)

skin, hair, nails, sweat glands, oil glands

79.

What are the structures of the Muscular System?

a)

bones, cartilage, ligaments, joints

b)

support, protection, movement, storage, blood cell production

c)

skeletal muscle, smooth muscle, cardiac muscle

d)

skin, hair, nails, sweat glands, oil glands

80.

What are the functions of the Skeletal System?

a)

bones, cartilage, ligaments, joints

b)

support, protection, movement, storage, blood cell production

c)

produce movement, maintain posture, stabilize joints, generate heat

d)

protection, sensation (feeling), temperature regulation, vitamin d production, excretion (remove wastes)

81.

What are the functions of the Muscular System?

a)

skeletal muscle, smooth muscle, cardiac muscle

b)

support, protection, movement, storage, blood cell production

c)

protection, sensation (feeling), temperature regulation, vitamin d production, excretion (remove wastes)

d)

produce movement, maintain posture, stabilize joints, generate heat

82.

What are the functions of the Integumentary System?

a)

skin, hair, nails, sweat glands, oil glands

b)

produce movement, maintain posture, stabilize joints, generate heat

c)

protection, sensation (feeling), temperature regulation, vitamin d production, excretion (remove wastes)

d)

support, protection, movement, storage, blood cell production

83.

What are the structures of the Integumentary System?

a)

bones, cartilage, ligaments, joints

b)

skeletal muscle, smooth muscle, cardiac muscle

c)

System skin, hair, nails, sweat glands, oil glands

d)

protection, sensation (feeling), temperature regulation, vitamin d production, excretion (remove wastes)

84.

What are the three types of muscles?

a)

Cardiac, Smooth, Skeletal

b)

smooth, rough, muscular

c)

Red, White, and blue

d)

Cardiac, Smooth, Rough

85.

Which type of muscle is voluntary (you can control them)?

a)

Smooth muscle

b)

Skeletal muscle

c)

Cardiac muscle

d)

All the above

86.

Which type of muscles are involuntary (you can't control them)?

a)

Cardiac and Smooth

b)

Cardiac and Skeletal

c)

Smooth and Skeletal

d)

All the above

87.
Synthesizes lipids, stores calcium, detoxifies drugs and poisons
a)
Rough ER
b)
Smooth ER
c)
Golgi Apparatus
d)
Peroxisomes
88.
Modifies lipids and proteins from the ER; sorts them and packages them in vesicles
a)
Smooth ER
b)
Rough ER
c)
Nucleolus
d)
Golgi Apparatus
89.

Which of these is NOT a part of the endomembrane system?

a)

Nuclear membrane

b)

Endoplasmic reticulum

c)

Golgi apparatus

d)

Mitochondria

90.
Which of the following is NOT a function of the endomembrane system?
a)
Compartmentalization (creates different areas in the cell which do different things)
b)
Detoxification
c)
Protein modification and transportation of proteins
d)
Creation of ATP (energy)
91.

Which organelle acts like a cellular stomach and degrades things?

a)

Lysosome

b)

Mitochondria

c)

Vacuole

d)

Vesicle

92.

What structures do all cells contain

a)

Chloroplast, Mitochondria, and Cell Membrane

b)

Vacuoles, Nucleus, and Mitochondria

c)

Cytoplasm, Cell Membrane, and Ribosomes

d)

Cell Membrane, Ribosomes, and Cell Wall

93.

A proteins tertiary structure (how they are folded) is created on the inside of the ______

a)
Golgi
b)
Lysosome
c)
Endoplasmic Reticilum
d)
Mitichondria
94.

What is one of the main functions of this nucleus?

a)

Protein Synthesis

b)

Lipid Synthesis

c)

Digestion (breaking) of bacteria and old organelles

d)

Making mRNA from the DNA to code for proteins

95.

Is ER and Golgi body in both plant and animal cell?

a)

Only animal

b)

Only plant

c)

Both

d)

Nowhere

96.

Bacteria and archaea are organisms in Kingdom

a)

Protista

b)

Monera

c)

Fungi

d)

Plantae

e)

Animalia

97.

the group of Archaea that survive in the intestine of these ruminants is ..... (Hint: They produce methane.)

a)

Methanogens

b)

Halophiles

c)

Thermoacidophiles

98.

What type of cell is bacteria

a)

Prokaryotic

b)

Eukaryotic

99.

Prokaryotic cells are

a)

cells lack organized nucleus and membrane-bound organelles

b)

Cells that have a nucleus with cell wall and membrane

c)

Cells that are free of ribosomes and DNA

d)

Cells that do not have a membrane or flagellum

100.

How do Monera reproduce?

a)

simple fission and endospores

b)

through photosynthesis

c)

Through the fagilla

d)

Wth archaebacteria

101.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
102.
Do organisms "decide" to evolve and change?
a)
Yes, they know they need to change to survive 
b)
No, they change because of natural selection
103.
Almost all adaptations started off as?
a)
selective breeding
b)
physiological
c)
structural
d)
mutation
104.

What word describes a trait that helps an organism survive in its environment?

a)

natural selection

b)

mutation

c)

camouflage

d)

adaptation

105.

If a new trait DOES help an organism survive, what may happen to it?

a)

It dies and its DNA is not passed on

b)

It survives and its DNA is passed on

c)

It changes its traits to adapt and survive

106.

If a new trait DOES NOT help an organism survive, what may happen to it?

a)

It dies and its DNA is not passed on

b)

It survives and its DNA is passed on

c)

It changes its traits to adapt and survive

107.

What happens to new traits that HELP organisms survive over time?

a)

They become MORE COMMON

b)

They become LESS COMMON

c)

They are EQUALLY COMMON

108.

Mutations are a change in what?

a)

DNA

b)

tRNA

c)

protein

d)

rRNA

109.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
110.

The more genetic variation a population has,

the more likely it is for some individuals to

a)

evolve

b)

migrate

c)

survive

d)

mutate

111.

Mutations are important because they bring about

a)

death of the organism in which they develop

b)

genetic variation needed for a population to evolve

c)

benefits for the individual, not for the population

d)

changes in genotype, but not phenotype

112.
Why do frogs and other organism reproduce so many eggs or offspring?
a)
so that their babies can have friends to play with
b)
the more offspring the more likely the offspring will survive
c)
the more offspring the less likely offspring will survive 
d)
the more offspring the less competition
113.

Why is competition important for natural selection?

a)

It shows which variations are more successful, allowing the organisms with those variations to survive.

b)

It causes organisms, regardless of which traits they have, to die out, reducing the population size.

c)

It causes organisms to get stronger due to having to outcompete other species.

d)

Competition is not important for natural selection.

114.

What is genetic drift?

a)

the changes in allele frequencies (genes) ,in a population, happening due to random events/circumstances.

b)

It is an example of primary succession

c)

Genetic drift are different organisms in a population due to inherited traits from their parents

d)

It is part of symbiotic relationships such as mutualism, commensalism, parasitism

115.

Mutations are SOMETIMES helpful to the organism.

a)

true

b)

false

116.

Genetic drift is driven by chance, not Natural Selection.

a)

true

b)

false

117.
In DNA, Adenine pairs with ___________. 
a)
Guanine
b)
Cytosine
c)
Thymine
d)
Uracil
118.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
119.

Chromosomes condense

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

120.

Cells spend 90% of their time in this phase

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

121.

Splitting occurs and two cells form

a)

Interphase

b)

Mitosis

c)

Cytokinesis

122.

Chromosomes arrive at opposite ends of the cell

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

123.

Chromosomes line up along the middle of the cell

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

124.

DNA replication occurs

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

125.

The sister chromatids separate, and begin to move towards the poles of the cell.

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

126.

The nuclear membrane disassembles (breaks down)

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

127.

A nuclear membrane forms around each group of chromosomes

a)

Interphase

b)

Prophase

c)

Metaphase

d)

Anaphase

e)

Telophase

128.

Part of the chromosome where sister chromatids are held together.

a)

Spindle fibers

b)

Centromere

c)

Centrioles

d)

Telomere

129.

Meiosis is used to produce body cells, and mitosis is used to make sperm and egg.

a)

True

b)

False

130.

___________________ is the result of uncontrolled cell growth.

a)

Down syndrome

b)

Diabetes

c)

Cancer

d)

Sick cell anemia

131.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
132.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
133.

Muscles are needed for what?

a)

movement

b)

decoration

c)

pump blood

d)

no one knows

134.

Skeletal muscles are voluntary.

a)

true

b)

false

135.

Where is cardiac muscle located?

a)

lungs

b)

heart

c)

liver

d)

stomach

136.

Smooth muscle is located where?

a)

heart

b)

bones

c)

toes

d)

internal organs

137.

Muscles work in groups of

a)

1

b)

4

c)

3

d)

2

138.

What muscle is the arrow pointing toward?

a)

biceps

b)

traps

c)

pecs

d)

triceps

139.

What is the correct equation for cellular respiration?

a)

6O2 + C6H12O6 + Energy → 6CO2 + 6H2O

b)

6O2 + C6H12O6 → 6CO2 + 6H2O + Energy

c)

6CO2 + 6H2O + Energy → 6O2 + C6H12O6

d)

6CO2 + 6H2O → 6O2 + C6H12O6 + Energy

140.

Where does cellular respiration take place?

a)

chloroplast

b)

mitochondria

c)

ribosomes

d)

nucleus

141.

Where does photosynthesis take place?

a)

mitochondria

b)

chloroplast

c)

ribosomes

d)

nucleus

142.

If there is an increase of oxygen in your body what will happen to cellular respiration?

a)

It will increase

b)

It will decrease

143.

Is cellular respiration done by all organisms? Even Plants?

a)

Yes

b)

No

144.

Autotrophs gain their energy through what process?

a)

fermentation

b)

photosynthesis

c)

respiration

d)

calculation

145.

Which of the following processes is most efficient (produces most ATP per molecule if glucose oxidized)

a)

aerobic respiration

b)

anaerobic respiration

c)

alcoholic fermentation

d)

lactic acid fermentation

146.

In yeast cells,

a)

lactic acid is produced during anaerobic respiration

b)

lactic acid is produced by glycolysis

c)

alcohol is produced during KREBS cycle

d)

alcohol is produced after glycolysis

147.
What are the two products of photosynthesis?
a)
Oxygen and Carbon Dioxide
b)

Oxygen and Sugar

c)
Sunlight and Sugar
148.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
149.

A Halophile, which can handle extremely salty environments, would best be sorted into which domain?

a)

Bacteria

b)

Eukarya

c)

Archaea

150.

E.coli is a single celled organism that you could find on surfaces in your home and is also a prokaryote would best be sorted into which Domain?

a)

Eukarya

b)

Archaea

c)

Bacteria

151.

A mushroom would best be classified as a...

a)

prokaryote

b)

eukaryote

152.

In Binomial Nomenclature, which two classifications are used to create an organism's name? (select two)

a)

Genus

b)

Species

c)

Family

d)

Order

e)

Class

153.

Members of Domain Bacteria are prokaryotic.

a)

True

b)

False

154.

Humans belong to Domain Eukarya because they have a eukaryotic cell.

a)

True

b)

False

155.

All fungi are heterotrophs, and most of them have a cell wall made of chitin.

a)

True

b)

False

156.

All animals are heterotrophic and unicellular.

a)

True

b)

False

157.

All plants are multicellular autotrophs.

a)

True

b)

False

158.

The following are true about nicotine...

a)

it is highly addictive.

b)

it can increase the risk of other types of addiction later in life.

c)

it cannot cause death

d)

it can slow brain development.

159.

The e-cigarette aerosol that users breathe from the device can contain...

a)

substances that can improve concentration.

b)

cancer causing chemicals.

c)

vitamins and minerals.

d)

carbohydrates.

160.

The aerosol in e-cigs contains flavorings, such as diacetyl, a chemical linked to...

a)

muscle cramps.

b)

excessive sweating.

c)

a serious lung disease.

d)

beautiful, glowing skin.

161.

E-cigs are just as addictive as traditional ones.

a)

true

b)

false

162.
Why did East Africans start migrating to the Sahara around 100,00 years ago?
a)
they needed more farmland
b)
an ice age had begun in East Africa
c)
the Sahara had turned into an oasis
d)
they wanted to move closer to the ocean
163.

From a genetic viewpoint, where are we all descended from?

a)

an entire tribe in southern Africa

b)

A scientific Adam and Eve in Central AFrica.

c)

Many different tribes from throughout the world.

d)

a single light skinned woman in India.

164.

Which statements are true?

a)

We are all from a single man and woman in central Africa.

b)

Some people moved out of Africa, headed east and then headed south to Australia

c)

Some moved out of Europe and headed toward south America.

d)

Humans traveled from Africa to Asia and then on to North America.

165.

Our DNAs are __________ percent the same, regardless of our race.

a)

1%

b)

10%

c)

90%

d)

99%

166.

A small amount of DNA codes for ......

a)

The many differences in the people look.

b)

The wide diversity in human culture.

c)

The many languages that are spoken in the world.

d)

All the things we have in common as a human species.

167.

Forensic Science is

a)

microscopes used for vapor

b)

the applications of testing

c)

applying principles of science to the law

d)

the application of evidence to testing

168.

Locard's Exchange Principle states

a)

every contact leaves trace evidence

b)

every criminal leaves shoe prints

c)

every criminal leaves fingerprints

d)

every criminal will be punished

169.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
170.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
171.
In sexual reproduction, chromosome reduction is necessary to ___.
a)
ensure that all offspring have the correct diploid number of chromosomes
b)
ensure that all offspring have the correct haploid number of chromosomes
c)
ensure that all daughter cells are identical
172.

Mitosis makes sure that all daughter cells are _____.

a)

genetically identical, diploid

b)

genetically identical, haploid

c)

genetically diverse, diploid

d)

genetically diverse, haploid

173.
What is the function of ATP in living things?
a)
provides energy for cells
b)
stores genetic information
c)
provides structure in the nucleus
174.
Which cellular organelle is responsible for manufacturing ATP?
a)
Ribosome
b)
Nucleus
c)
Mitochondria
d)
Chloroplast
175.
Energy is released from ATP when
a)
a phosphate group is added
b)
adenine bonds to ribose
c)
ATP is exposed to sunlight
d)
a phosphate group is removed
176.

Type of medicine used to slow down or stop viral infections in the body.

a)

vaccine

b)

antibiotics

c)

pasteurization

d)

anti-viral medications

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