Unit 5 Test Review
Cell Cycle/Mitosis/Meiosis
Question #1
Looking at the diagram below, what would
be the correct order of the illustrated
stages of mitosis?
a. B-D-C-A
b. A-B-C-D
c. A-B-D-C
d. B-C-D-A
Question #2
The diagram below illustrates the stages of the
cell cycle. Inhibitors stop the cycle at G1 to
avoid cells dividing out of control. When
mutations take place and do not allow the
inhibitors to stop the cell cycle, what can happen
in the body?
a. Cell death
b. Deformities
c. Birth defects
d. Cancer
Question #3
Growth and repair of the body cells
happen because of ____________. In
organisms that reproduce sexually,
gametes are produced by
_____________.
a. Mitosis; meiosis
b. Meiosis; mitosis
c. Mitosis; conjugation
d. Meiosis; gametogenesis
Question #4
Before mitosis can start, what must happen first?
a. chromosome replication, formation of the cell plate,
growth
b. growth of cytoplasm, duplication of cellular organelles,
chromosome replication, formation of the cleavage
furrow
c. growth, replication of chromosomes, duplication of
cellular contents, chromosomal alignment in the middle
of the cell
d. growth and duplication of cell organelles, chromosome
replication, growth and repair of chromosomal errors
Question #5
What would be the correct order in
the diagram below?
a.P-R-Q
b.Q-R-P
c.R-P-Q
d.P-Q-R
Question #6
What is the name of the phase in
which cells prepare for division?
a.Prophase
b.Interphase
c.Metaphase
d.Cytokinesis
Question #7
How many chromosomes does a human
somatic cell have?
a. 23
b. 46
c. 64
d. 92
Question #8
If an inhibitor cannot stop the cell cycle
in G1 and the cell cycle continues to
prepare and divide cells uncontrollably,
what could develop in the body?
a. Diabetes
b. Extra DNA
c. Extra RNA
d. Tumor
Question #9
For what reasons do cells divide?
a. To make DNA
b. To prevent tumors from being created
c. To make sex cells that will them
combine to form offspring
d. For growth, repair and reproduction
Question #10
Organisms begin life as ___________
cells.
a.Haploid
b.Zygotic
c.Embryonic
d.Single
Question #11
Cancer cells can appear in many parts of the
body. What could be a possible cause for these
cells?
a. Lack of antibiotics given when the first cell
appeared
b. Deficiency of vitamins A and C
c. Blood clots
d. Genetic mutation in the somatic cells
Question #12
What is a zygote?
a. A sex cell
b. The combination of a sperm and egg
cell
c. A haploid cell
d. A cancerous cell
Question #13
When a zygote develops into a multicellular
organism it is because:
a. Protein synthesis is followed by meiosis
b. Meiosis is followed by mitosis
c. Mitosis is followed by cell differentiation
d. Meiosis is followed by cell differentiation
Question #14
If you have a test question that mentions
“UNCONTROLLED cell growth”, what
type of disease is it making reference
to?
CANCER
Question #15
Chromosomes align in the middle
of the cell:
a.Metaphase
b.Anaphase
c.Telophase
d.Prophase
Question #16
Nuclear envelope disappears, chromatin
condenses into chromosomes, spindle
forms:
a. Metaphase
b. Prophase
c. Anaphase
d. Telophase
Question #17
Nuclear envelope forms at each pole,
spindle dissolves, chromosomes uncoil:
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
e. Cytokinesis
Question #18
Cytoplasmic division:
a.Prophase
b.Metaphase
c.Anaphase
d.Telophase
e.Cytokinesis
Question #19
Which term describes a very long
condensed molecule of DNA?
a.Chromosome
b.Gene
c.Helix
d.nucleotide
Question #20
DNA is often referred to as:
a.Powerhouse of the cell
b.Control center of the cell
c.Blueprint of the cell
d.Creator of the cell
Question #21
When chromosomes segregate during
Meiosis II, the results are:
a. A fertilized sperm cell
b. A group of genetically identical cells
c. The reduction of the number of
chromosomes per cell
d. The reduction in the total number of
cells per organism
Question #22
What process is illustrated in the
diagram below?
a. Crossing over
b. Segregation of sister chromatids
c. DNA replication
d. Mutation of the content of DNA
Question #23
Which of the statements below describes
meiosis?
a. It is carried out in all cells for the growth of
the individual
b. It is considered the first stage of mitosis
c. It happens in all body cells except for brain
and spinal cord cells
d. It happens in the cells of the reproductive
organs
Question #24
Interphase is characterized by having
three stages G1, S and G2. What event
takes place in G1?
a. DNA replication
b. Formation of the spindle
c. Organelle replication
d. Growth of the cell
Question #25
Which process does NOT take place
during Prophase?
a. Chromosomes line up in the middle of
the cell
b. Coiling of the chromosomes
c. Breaking down of the nuclear envelope
d. Nucleolus disappears
Question #26
If an error took place during
mitosis, what could the possible
consequence be?
a.Cell death
b.Disturbance in fertilization
c.Mutations that can lead to cancer
d.Both a and c
Question #27
What are the two main stages of cell
division?
a. Telophase and cytokinesis
b. M phase and S phase
c. Mitosis and cytokinesis
d. Interphase and mitosis
Questions #28
What event takes place during the S
phase that is essential for the daughter
cell formation in the M phase?
a. Chromosomes must be joined together
b. DNA replication
c. Cytoplasmic separation
d. Expansion of the cell membrane
Question #29
During cell differentiation, DNA tells the
fertilized egg to:
a. Combine with the sperm cell to create many
organisms
b. Combine with other fertilized eggs
c. Divide into many organisms that will vary in
size
d. Divide into many cells that will vary in
function
Question #30
The karyotype below is a:
a. Normal male (no genetic disorder)
b. Male with trisomy 21 (Down Syndrome)
c. Normal female (no genetic disorder)
d. Female with trisomy 21 (Down Syndrome)
Question #31
Which stage of mitosis is the diagram
below illustrating?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
Question #32
Which stage of mitosis is the
diagram below illustrating?
a.Prophase
b.Metaphase
c.Anaphase
d.Telophase
Question #33
Which stage of mitosis is the
diagram below illustrating?
a.Prophase
b.Metaphase
c.Anaphase
d.Telophase
Question #34
What are homologous chromosomes?
a. Chromosomes that are identical
b. Chromosomes that are from the same
individual
c. Chromosomes with similar
characteristics
d. Chromosomes with different
characteristics