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WorksheetsBiology Practice Final Exam First Semester
Total questions: 78
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
which would be an example of quantitative data?
a)
color of an animal's fur
b)
height of a tree
c)
smell of a flower
d)
texture of a pear
2.
1 application of fertilizer = 4 cm...
2-3 applications= 6 cm...
4+ applications= 8 cm...
What can you conclude from this data?
2-3 applications= 6 cm...
4+ applications= 8 cm...
What can you conclude from this data?
a)
adding fertilizer to grass increases growth and height of the grass
b)
the more fertilizer the better
c)
applying fertilizer results in reduced growth of grass
d)
no conclusions are possible
3.
how can people make sure that their experiment meets the results of the scientific community?
a)
working on a theory
b)
coming up with a hypothesis and testing it
c)
peer review
d)
using only materials that are affordable and biodegradable
4.
Which city has the highest temperature in august?
a)
Mombasa, Kenya
b)
Cairo, Egypt
c)
Cape Town, South Africa
d)
they are all equal temperatures during August
5.
Colleen conducts an experiment to see if eating an apple before a test improves scores. What is the independent variable?
a)
the (eating of) apple
b)
the test score before the apple
c)
test score after the apple
d)
test score without eating an apple
6.
Ethan conducts an experiment to see if using a cell phone before sleeping has an impact on the amount of hours slept. What is the dependent variable?
a)
cell phone light
b)
hours slept
c)
type of cell phone
d)
location of sleep
7.
what unit of measurement would you use to measure how tall a building is?
a)
gram
b)
liter
c)
meter
d)
centimeter
8.
what unit would be best to measure the mass of a full grown polar bear?
a)
meter
b)
gram
c)
kilogram
d)
miligram
9.
all of the reactions that occur in an organism can be summarized as
a)
homeostasis
b)
cellular respiration
c)
photosynthesis
d)
metabolism
10.
a thermostat turning the heater on when it gets to cold and turning it off when it gets too hot is an example of
a)
metabolism
b)
homeostasis
c)
circulation of currents
d)
fluctuation of matter
11.
most things are made up of all of these elements EXCEPT
a)
oxygen
b)
hydrogen
c)
phosphorous
d)
carbon
12.
what is the main source of energy for cells?
a)
enzymes
b)
phospholipids
c)
glucose
d)
buffers
13.
if you wanted to make a reaction in your body speed up, you should add a(n)
a)
strong acid
b)
enzyme (catalyst)
c)
strong base
d)
glycerol
14.
which two things fit together like a lock and key
a)
enzyme and substrate
b)
glucose and fatty acid
c)
cell membrane and nucleus
d)
endocytosis and exocytosis
15.
match the correct biological molecule and its monomer (only 1 is correctly paired)
a)
lipids - glycerol + 3 fatty acids
b)
nucleic acids - glucose
c)
proteins - monosaccharides
d)
carbohydrates - amino acids
16.
how could you denature a protein that is acting as an enzyme and alter its function?
a)
add extreme heat/cold
b)
make the pH (acidity) extremely high/low
c)
change the concentration of the substarate
d)
all of these would denature the protein
17.
match the biological molecule with its correct function
a)
nucleic acid - stores genetic code (DNA)
b)
carbohydrates - long term energy storage
c)
lipids - short term energy storage
d)
proteins- store genetic code (DNA)
18.
which biological molecule should you eat if you couldn't eat again for two weeks?
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
19.
What are the reactants of photosynthesis ?
a)
water and carbon dioxide
b)
water and oxygen
c)
oxygen and carbon dioxide
d)
glucose and water
20.
if you take away the glucose (reactant) in cellular respiration, what would you expect to happen?
a)
ATP (product) will not be produced
b)
oxygen (product) will not be produced
c)
carbon dioxide (reactant) will not be produced
d)
cellular respiration will not change at all
21.
which pairing of organelle and function is NOT correct?
a)
chloroplast: capture energy from the sun to make glucose
b)
mitochondria: uses glucose and oxygen to produce ATP
c)
vacuole: used for storage
d)
golgi body: stores the DNA
22.
mitochondria is found in
a)
plant cells
b)
animal cells
c)
neither
d)
both
23.
what are the products for cellular respiration?
a)
glucose and oxygen
b)
water, carbon dioxide, and ATP
c)
water, oxygen, and glucose
d)
ATP, oxygen, and glucose
24.
metabolism refers to both building molecules and breaking them down
a)
true
b)
false
25.
______ is used to store and release energy quickly.
a)
NADPH
b)
ADP
c)
ATP
d)
NAD+
26.
where is most of the energy stored in the ATP molecule?
a)
between the 2nd and 3rd phosphate groups
b)
between the 1st and 2nd phosphate groups
c)
the bond between the adenine and ribose
d)
the bond between the ribose and the 1st phosphate group
27.
which process produces ATP for the body?
a)
protein synthesis
b)
photosynthesis
c)
cellular respiration
d)
DNA replication
28.
which organelle is NOT paired correctly with its function
a)
cell membrane: allows materials in and out of cell
b)
cytoskeleton: supports and shapes the cell
c)
mitochondria: produces glucose from sunlight, water, and CO2
d)
lysosomes: removal of waste in animal cells
29.
which of the oraganelle/function pairings are NOT correct?
a)
ribosomes: protein synthesis
b)
vacuole: storage
c)
nucleus: genetic information storage
d)
golgi apparatus: controls what materials enter and leave the cell
30.
what is the structure on the end of a sperm cell called that assists in movement?
a)
flagella
b)
cilia
c)
centriole
d)
monosaccharide
31.
what is the difference between prokaryotic and eukaryotic cells?
a)
pro have a nucleus, eu do not
b)
eu have a nucleus, pro do not
c)
pro have chloroplasts, eu have mitochondria
d)
eu have chloroplasts, pro have mitochondria
32.
EVERY cell has all of these things except
a)
DNA
b)
ribosomes
c)
cytoplasm
d)
mitochondria
33.
the process of bringing materials IN to the cell is called
a)
osmosis
b)
exocytosis
c)
endocytosis
d)
homeostasis
34.
which of the following types of cell transport moves from low to high concentration and requires energy?
a)
facilitated diffusion
b)
osmosis
c)
simple diffusion
d)
active transport
35.
the is 10% salt in a cell and 30% salt in the salt water it is in. which is true? (draw a diagram if you need to)
a)
the solution is hypertonic
b)
the solution is isotonic
c)
the solution is hypotonic
d)
none of these
36.
the cell membrane is made up of
a)
phospholipids, proteins, and carbohydrates
b)
proteins, carbohydrates, and nucleic acids
c)
sugar, phosphate, and nitrogenous bases
d)
phosphate, fatty acid, and nucleic acids
37.
selective permeability can best be compared to
a)
a glass door
b)
the screen on a window
c)
a solid brick wall
d)
none of these
38.
which cell would have the largest amount of chloroplasts?
a)
leaf
b)
heart
c)
muscle
d)
root
39.
rank these from smallest to largest:
a)
tissue, organ, cell, organ system
b)
tissue, cell, organ system, organ
c)
organ, organ system, cell, tissue
d)
cell, tissue, organ, organ system
40.
which base pair is incorrect?
a)
adenine-uracil
b)
cytosine-guanine
c)
adenine-thymine
d)
uracil-thymine
41.
if a cell is placed in a hypotonic solution what will happen?
a)
water will rush out of the cell causing it to shrink
b)
water will move equally in and out of the cell and cause it to stay the same size
c)
water will rush into the cell and it will swell, possible to the point of bursting
d)
there will be no water flow at all and the cell will stay the same size
42.
the monomer of DNA/RNA is called
a)
a nucleotide
b)
amino acids
c)
codons
d)
glucose
43.
which is NOT part of a nucleotide?
a)
sugar
b)
phosphate
c)
nitrogen base
d)
ionic bonds
44.
what is the goal of DNA replication?
a)
to turn RNA into protein
b)
to turn DNA into RNA
c)
to make an exact copy of DNA
d)
to bring in extra genetic infromation from outside of the cell
45.
replicate the following strand of DNA with its complementary strand ACT AGG TCA
a)
TGA TCC AGT
b)
UGC GTA CAG
c)
CAT GAC GAA
d)
CGA TAG GAR
46.
how does DNA fit into cells?
a)
some of the DNA sticks outside of the cell when it is not being used
b)
it is packaged by the nuclear envelope
c)
tightly wrapped around histone proteins
d)
protein segments are actually very short
47.
how is the DNA in your skin cells related to the DNA in your heart, liver, and lung cells?
a)
it is all the exact same DNA
b)
most of the DNA is the same, but parts are different
c)
each cell in your body has a different copy of DNA
d)
it is still unknown how they are related to each other
48.
everything is made up of
a)
carbohydrates
b)
proteins
c)
lipids
d)
hydrogen bonds
49.
which types of organism would synthesis protein?
a)
dog
b)
tree
c)
bacteria
d)
all of these
50.
what would be an example of a physiological trait?
a)
your personality
b)
the color of your hair
c)
the experiences that you have in life
d)
a genetic disorder that doesn't cause any physical differences
51.
albanism is the result of
a)
extended exposure to the sun
b)
the lack of melanin (pigment)
c)
the result of the vacuoles not working properly
d)
endocytosis of too much glucose
52.
which pairing is not correct?
a)
replication: nucleus
b)
transcription: nucleus
c)
translation: ribosomes
d)
transcription: cytoplasm
53.
what is the correct order for the events that happen in order to make proteins?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
54.
What are the little green things that are being produced at the ribosome?
a)
amino acids
b)
tRNA
c)
mRNA
d)
codons
55.
what is the name of the molecule that brings amino acids to the ribosomes to assemble proteins?
a)
DNA
b)
tRNA
c)
codons
d)
nucleosome
56.
a set of three nitrogenous bases that represent an amino acid are called
a)
codons
b)
tRNA
c)
mRNA
d)
DNA
57.
what amino acids are represented by this strand of DNA?
TAC CAA ACT
TAC CAA ACT
a)
methionine-stop
b)
methionine-asparagine-stop
c)
methionine-valine-stop
d)
methionine-glycine-stop
58.
what is a silent mutation?
a)
doesn't change any of the amino acids produced
b)
doesn't change any of the nitrogenous bases
c)
an early stop signal
d)
when a start codon is changed into something else
59.
which of these cells would be most damaging to potential offspring?
a)
brain cell
b)
heart cell
c)
egg cell
d)
liver cell
60.
what is a point mutation?
a)
an entire protein is deleted
b)
a codon is added
c)
only a single nitrogen base is changed
d)
a mutation that doesn't cause any changes
61.
which would NOT cause a mutation to DNA?
a)
toxic chemicals
b)
radiation
c)
errors during replication
d)
not eating every few hours
62.
which type of mutation usually changes the most amino acids?
a)
frameshift
b)
point mutation
c)
substitution
d)
silent mutation
63.
what are the stages of the cell cycle?
a)
prophase and metaphase
b)
cytokineses and and anaphase
c)
interphase and cell division
d)
G1, S, and G2
64.
which is not technically a part of mitosis?
a)
metaphase
b)
prophase
c)
interphase
d)
anaphase
65.
when is the genetic material (DNA) separated from each other?
a)
interphase
b)
cytokinesis
c)
S phase
d)
mitosis
66.
what happens after telophase?
a)
G2 of interphase
b)
cytokinesis
c)
anaphase
d)
prophase
67.
which of the following is NOT an important use for mitosis ?
a)
growth
b)
development
c)
repair damaged tissues
d)
creating sperm and egg cells
68.
what are the phases of interphase?
a)
G1, S, G2
b)
anaphase and cytokinesis
c)
prophase and S phase
d)
metaphase, anaphase, and prophase
69.
when does DNA replicate?
a)
while the cell is dividing
b)
AFTER cell division
c)
BEFORE cell division
d)
only once when you are born then never again
70.
if you start out as a zygote (when a sperm and egg cell come together), through what process did you grow and develop into the person you are today?
a)
mitosis
b)
endycytosis
c)
exocytosis
d)
nuclear fission
71.
what are stem cells?
a)
they can differentiate and become any type of cell in the body
b)
they are blank cells that can't do anything
c)
there is no such thing
d)
the result of a sperm and egg cell fusing
72.
different cells in your body are different in
a)
no way
b)
genetic information and function
c)
genetic information only
d)
structure and function
73.
which is not important in development?
a)
mitosis
b)
cell differentiation
c)
both are important
d)
neither are important
74.
what is cell differentiation?
a)
stem cell dividing into cells with specific functions and jobs
b)
normal cells dividing through mitosis
c)
when different sex cells are produced through meiosis
d)
when a skin cell becomes a heart cell
75.
if a human skin cell starts out with 46 chromosomes, how many should each new skin cell have after mitosis is complete?
a)
23
b)
32
c)
46
d)
92
76.
what is a totipotent stem cell?
a)
can only become brain cells (neurons)
b)
has the potential to become most types of cells
c)
has the potential to become any type of cell
d)
these cells will produce skin cells after an injury
77.
what is a theory?
a)
an initial thought or feeling about what should happen
b)
a testable explanation to a problem or a question
c)
the best current explanation about how something works
d)
logical inferences based on feelings
78.
which of the following is an example of a silent mutation?
a)
CAG --> AAT
b)
ACT --> TAC
c)
AAC --> GAG
d)
TTG -->TTC
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