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Name: _______________________________________________ Date: _______________ Period: _______
Directions: Read each question and choose the best possible answer. Each question has only 1 answer,
unless otherwise stated.
Answer questions 1-5 using the choices below. You may use the same choice more than once.
a. Nucleus
ab. ER
bd. Cell wall
b. Mitochondria
ac. Golgi body
be. Cilia
c. Vacuole
ad. Chloroplast
cd. Flagella
d. Lysosome
ae. Nucleolus
ce. Cytoplasm
e. Ribosome
bc. Cell membrane
1) Which organelle is responsible for the process of translation? E - RIBOSOME
2) Which organelle is the site of aerobic respiration? B - MITOCHONDRIA
3) Which cell part controls osmosis and diffusion between the cell and its environment? BC - membrane
4) After being created along the ER, where will a protein directly travel next? AC – GOLGI BODY
5) Which organelle destroys foreign particles inside of the cell? D - LYSOSOME
----------------------------------------------------------------------------------------------------------------------------------6) Which of the following is not part of the Cell Theory?
a. All life is made from at least one cell
d. Cells only come from preexisting cells
b. The shape of a cell is determined by its function
e. All are parts of the cell theory
c. Cells are the basic units of all life
7) In the four pictures below, we can see molecules either entering or exiting a cell according to the
direction of the arrows. Which picture would best show active transport?
8) Which would best explain why a potato’s weight would decrease if placed within salt water?
a. The potato absorbed salt, which weighs less then water
b. The water concentration was greater inside the potato
c. The water concentration was greater outside the potato
d. The salt dehydrated the water inside the potato
e. The salt caused active transport
Use the pictures below to answer questions 9-12. You may use the same answer more than once.
9) In which picture does the cell create additional organelles? C - INTERPHASE
10) In which picture do the spindle fibers dissolve? E - TELOPHASE
11) Which picture is not a part of mitosis? C - INTERPHASE
12) In which picture are the chromosomes pulled to the cell’s equator? D - METAPHASE
----------------------------------------------------------------------------------------------------------------------------------13) Which of the below statements is true?
a. Somatic cells divide by the process of meiosis
b. Gametes only contain 1 copy of each chromosome
c. Gametes are created by mitosis
d. The haploid zygote is formed from the egg and sperm
e. All of the statements are true
14) During meiosis, what happens during Synapsis?
a. Segments of one chromosome will recombine with another chromosome
b. Like (homologous) chromosomes align next to each other
c. Cytoplasm divides the cell
d. The cell performs its normal operations
e. Polar bodies dissolve to create only 1 single egg cell
15) Oogenesis is directly related to which process?
a. Mitosis
d. Passive transport
b. Meiosis
e. Photosynthesis
c. Active transport
16) Examine the karyotype to the right. How many
chromosomes would be in a somatic cell?
a. 20 chromosomes
b. 40 chromosomes
c. 21 chromosomes
d. 46 chromosomes
e. 42 chromosomes
Answer questions 17-19 from the codon AAC.
17) DNA
a. TTG
b. UUG
c. TTU
d. CCG
e. GGC
Codon
AAC
18) Anticodon
a. CCG
b. UUG
c. UUC
d. TUG
e. TTG
Use the picture below to answer questions 20 and 21.
20) Which amino acid will the tRNA labeled “C” carry to the ribosome?
a. Tyrosine
c. Isoleucine
e. Methionine
b. Valine
d. Histidine
ab. Arginine
21) Which amino acid will be the 3rd delivered to the ribosome?
a. Tyrosine
c. Isoleucine
e. Methionine
b. Valine
d. Histidine
ab. Arginine
a.
b.
c.
d.
e.
19) Amino Acid
Leucine
Alanine
Asparagine
Phenylalanine
Serine
22) Place the steps of Transcription in the correct order of what happens first.
Steps:
a. Step 2, 3, 4, 1
1. RNA polymerase separates the DNA double helix
b. Step 1, 4, 3, 2
2. DNA rejoins together
c. Step 1, 3, 4, 2
3. Free floating nucleotides match together
d. Step 3, 4, 1, 2
4. mRNA breaks away
e. Step 4, 2, 3, 1
23) Place the steps of Translation in the correct order of what happens first.
Steps
a. Step 1, 3, 2, 4
1. Ribosome attaches the amino acids into long chains
b. Step 3, 4, 1, 2
2. Completed protein is used where needed
c. Step 1, 2, 3, 4
3. mRNA arrives at the ribosome
d. Step 2, 3, 1, 4
4. tRNA transfers the proper amino acid
e. Step 3, 4, 2, 1
24) Below is a segment of mRNA. The underlined letters represent introns and those not underlined are
exons. The large print letter represents a mutation where the original mRNA nucleotide was cytosine.
How would this mutation affect the overall protein?
U
a.
b.
c.
d.
e.
GCAUGUCCGAA
CAUAA
The protein would be unaffected
The protein would be larger than normal
The protein would be smaller than normal
The protein would be equal sized, but with one changed amino acid
The protein would be equal sized, but have multiple amino acids changed
25) Which is not true about the ribosome?
a. It assembles proteins within the cell
b. It is created by the nucleolus
c. It can be attached to the ER
d. It is where mRNA and tRNA meet
e. It is the sight of transcription
Take a moment and relax. You are half-way finished.
Autosomal dominant inheritance: Huntington’s disease is an autosomal dominant disorder. Juan is
heterozygous and Rebecca is healthy, even though her mother suffers from the disease. They want to start a
family, but also want to know the risk of passing the disease on to their children. Work out a Punnett square
to answer the probability question.
26) What is the probability that Rebecca and Juan will have a healthy child?
a. 0%
c. 50%
e. 100%
b. 25%
d. 75%
----------------------------------------------------------------------------------------------------------------------------------Sex-Linked Inheritance: Hemophilia is a recessive sex-linked genetic disorder found on the X
chromosome. Mario has no history of hemophilia in his family but Vanessa is a carrier of the hemophilia
gene. Work out a Punnett square to answer the probability question.
27) What is the probability of Mario and Vanessa having a girl with hemophilia?
a. 0%
c. 50%
e. 100%
b. 25%
d. 75%
----------------------------------------------------------------------------------------------------------------------------------Codominant Inheritance: Work out a Punnett square to answer the blood type question.
Parent 1: Heterozygous type A blood
Parent 2: Homozygous type B blood
28) What is the probability this couple has a child with type A blood?
a. 0%
c. 50%
e. 100%
b. 25%
d. 75%
----------------------------------------------------------------------------------------------------------------------------------29) In rats, black fur (B) is dominant to white fur (b). Over time, a single pair of rats conceived a
population of 100 rats (23 with white fur and 77 with black fur). What is the genotype of the original
pair of rats?
a. BB x Bb
c. BB x bb
e. BB x BB
b. Bb x Bb
d. Bb x bb
----------------------------------------------------------------------------------------------------------------------------------Use the pedigree to answer questions 30 and 31.
30) The pedigree shows a family with a history of sickle cell
disease, which is an autosomal recessive disorder. Who is
the only person from the pedigree with an unknown
genotype?
a. Person 1
d. Person 7
b. Person 3
e. Person 9
c. Person 5
31) What is the genotype of person 2?
a. HH
d. HHh
b. Hh
e. H?
c. hh
----------------------------------------------------------------------------------------------------------------------------------32) Which of the below does not exist?
a. Heterozygous dominant
d. Homozygous recessive
b. Homozygous dominant
e. All exist
c. Heterozygous recessive
33) A red flower and yellow flower blend to make orange flowers. Which type of dominance does this
demonstrate?
a. Sex-linked dominance
c. Dihybrid dominance
e. Mendel dominance
b. Codominance
d. Incomplete dominance
Read the story below to answer questions 34-36.
The military feels their new exercise program will work better than the traditional exercise programs. 50
soldiers of group A are tested for strength against 50 soldiers of group B. Group A must exercise for 1 month
using traditional methods, while group B must exercise for 1 month using the new method. Afterwards,
group A has increased their strength by 8%, while group B has increased their strength by 22%. Answer the
following questions based on this situation.
34) What is the control group of this experiment?
a. The strength test
d. All 100 soldiers
b. Group B
e. The test results
c. Group A
35) Which would best describe military’s hypothesis?
a.
The military appears to have an invalid hypothesis
b.
The military hypothesis is proven correctly
c.
The military hypothesis appears to be valid
d.
The military hypothesis will now turn into a theory
e.
The military hypothesis does not count because they had too many variables
36) What is the dependent variable in this experiment?
a. The age of the soldiers
c. Group B
e. The time of the testing
b. Group A
d. The results of the strength test
----------------------------------------------------------------------------------------------------------------------------------37) Place the steps of the scientific method in the correct order from start to finish.
a. 1, 3, 5, 2, 4
Scientific Method Steps:
b. 2, 1, 3, 5, 4
1) State the problem
4) Share your results
c. 3, 1, 4, 2, 5
2)
Analyze
data
5) Perform an experiment
d. 1, 2, 5, 3, 4
3) State your hypothesis
e. 1, 2, 3, 5, 4
38) From the choices below, which is the largest number?
a. 5 kg
c. 730,926 mg
b. 12,572 cg
d. 9,642 g
e. 1,676 dg
39) When forming an ionic bond, lithium (Li) would most likely:
a. Lose 1 electron
d. Lose 3 electrons
b. Gain 7 electrons
e. Gain 1 electron
c. Gain 5 electrons
40) What would be the best metric unit to measure the weight of a large
construction bulldozer?
a. Milligram
c. Ton
b. Pound
d. Dekagram
e. Kilogram
41) How many electrons would be in the outer layer of carbon (C)?
a. Four electrons
d. Eight electrons
b. Two electrons
e. Twelve electrons
c. Six electrons
42) Directly or indirectly, which can be determined from the atomic number of an
atom?
a. The number of protons
b. The number of electrons
c. The number of electron energy levels
d. All can be determined from the atomic number
e. None can be determined from the atomic number
43) The hydrogen atoms of water have a positive charge and the oxygen atom has a negative charge. This
is because:
a. Water is polar
d. A and B
b. Hydrogen donates its electrons
e. B and C
c. Hydrogen has more protons than oxygen
44) Which is true about the pH scale listed above?
a. Orange juice is a stronger acid than vinegar
b. Bleach is the strongest acid listed in the scale above
c. Bleach is an acid
d. Vinegar is a strong base
e. Bleach has the fewest amount of H+ ions
45) Minerals, proteins, and sugars dissolve in human plasma, which is made mostly from water. Which is
the solvent?
a. Minerals, proteins, sugars
c. Plasma
e. The solute
b. Salt
d. Hydrogen
46) Which is true about enzymes?
a. One enzyme can perform a variety of functions
b. One enzyme can be used many times to perform the same function
c. Enzymes can tolerate large changes in their environments
d. Enzymes belong in the nucleic acid category of organic molecules
e. Enzymes are not organic molecules
47) A monosaccharide is a:
a. Monomer of carbohydrates
b. Polymer of nucleic acids
c. Monomer of proteins
d. Monomer of lipids
e. Polymer of carbohydrates
48) During the light dependent stage (light reactions) of photosynthesis, sunlight is used to create:
a. ATP
c. Glucose
e. CO2
b. ADP
d. Chlorophyll
49) Which is true of photosynthesis?
a. Photosynthesis works best in green light
b. Photosynthesis creates ATP as an end product
c. Photosynthesis is an Endergonic process
d. Photosynthesis uses glycolysis and fermentation to make sugars
e. Photosynthesis is performed by the mitochondria
50) During the light independent stage (dark reaction) of photosynthesis, ATP is used to create:
a. ADP
c. Glucose
e. Sunlight
b. CO2
d. Oxygen
You’re finished! Sit back and take a deep breath.