WorksheetsUnit 4 Test Review
Total questions: 80
Worksheet time: 1hrs 13mins
Name
Class
Date
1.
How many parents does asexual reproduction involve?
a)
one
b)
two
c)
three
d)
four
2.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
3.
When comparing the offspring of sexually and asexually reproducing organisms, we would expect the genetic material (DNA) of the sexually reproducing organism to -
a)
contain fewer mutations
b)
be lesser in quantity
c)
be simpler overall
d)
show more variation
4.
The genetic material of an offspring of sexually reproducing organisms is best described as–
a)
identical to that of the other offspring
b)
a copy of the genetic material of the mother
c)
a copy of the genetic material of the father
d)
genes from both parents, in unique combinations
5.
Is the following asexual or sexual reproduction?
A labradoodle is a type of dog that is crossed between a labradoor retriever and a poodle. The labradoodle puppy takes on the traits of both of its parents. Female dogs have a pregnancy period of almost 70 days.
A labradoodle is a type of dog that is crossed between a labradoor retriever and a poodle. The labradoodle puppy takes on the traits of both of its parents. Female dogs have a pregnancy period of almost 70 days.
a)
Sexual
b)
Asexual
6.
Select ALL stages of Interphase
a)
G1
b)
S
c)
G2
d)
Mitosis
7.
In which stage of the cell cycle does the DNA replicate?
a)
G1
b)
S
c)
G2
d)
Mitosis
8.
During which phase of the cell cycle does the cell spend the most time?
a)
Mitosis
b)
Cytokinesis
c)
Interphase
9.
During which part of the cell cycle is DNA copied?
a)
Mitosis
b)
Cytokinesis
c)
S phase
10.
During which parts of the cell cycle does the cell grow?
a)
G1 and G2
b)
G1 and S
c)
M phase and cytokinesis
11.
Which phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
12.
Which phase of mitosis is shown in the picture?
a)
Interphase
b)
Metaphase
c)
Telophase
13.
Which phase of mitosis is shown in the picture?
a)
Prophase
b)
Metaphase
c)
Anaphase
14.
Which phase of mitosis is shown in the picture?
a)
Prophase
b)
Telophase
c)
Metaphase
15.
What is shown in the picture?
a)
Mitosis
b)
Interphase
c)
Cytokinesis
16.
Uncontrolled cell division which usually leads to tumors and disease is called:
a)
Metaphase
b)
Cytokinesis
c)
Cancer
d)
Diabetes
17.
What is the cell cycle?
a)
The gradual development of something, especially from a simple to a more complex form.
b)
The study of heredity and the variation of inherited characteristics.
c)
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
d)
The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells.
18.
What part of the cell cycle results in the splitting of the new cells?
a)
Interphase
b)
Mitosis
c)
Metaphase
d)
Cytokinesis
19.
In what phase do the chromosomes line up in the middle of the cell?
a)
Cytokinesis
b)
Metaphase
c)
Prophase
d)
Telophase
20.
In what phase does chromatin condense to form chromosomes?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Anaphase
21.
In what phase do the chromosomes get pulled apart into sister chromatid to opposite sides of the cell?
a)
Prophase
b)
Interphase
c)
Metaphase
d)
Anaphase
22.
In what phase do the organelles disperse out into the daughter cells, and the cell prepares for cytokinesis?
a)
Prophase
b)
Interphase
c)
Mitosis
d)
Telophase
23.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
24.
If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?
a)
30
b)
15
c)
20
d)
60
25.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
26.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
27.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
28.
The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?
a)
ribose sugar and base
b)
ribose sugar and phosphate group
c)
nitrogen base and deoxyribose sugar
d)
deoxyribose sugar and phosphate group
29.
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
30.
Describes the twisted ladder-like shape of a DNA molecule
a)
Nitrogen Base
b)
Hexagon
c)
Double Helix
31.
Which component of DNA specifies the traits of an organism?
a)
5-carbon sugar (deoxyribose)
b)
hydrogen bonds
c)
phosphate groups
d)
nitrogenous base pairs
32.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
33.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
34.
Based on the diagram, the enzyme (represented in gray) is most likely...
a)
DNA polymerase
b)
DNA Ligase
c)
Nuclease
d)
Helicase
35.
Mitosis is a type of ________________ reproduction.
a)
Sexual
b)
Asexual
36.
Chromosomes duplicate, the cell grows and develops
a)
Metaphase
b)
Telophase
c)
Interphase
d)
Anaphase
37.
Chromatid pairs can be seen, spindle fibers form and nuclear membrane disappears
a)
Metaphase
b)
Telophase
c)
Anaphase
d)
Prophase
38.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
39.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
40.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
41.
What is cancer?
a)
The heart does not receive enough blood.
b)
Sudden disruption of blood flow to part of the brain.
c)
Blood filled weak spot.
d)
Uncontrolled growth and spread of abnormal cells.
42.
Using drugs or medicines to destroy cancer cells.
a)
chemotherapy
b)
radiation therapy
c)
cancer surgery
d)
mitotic spindling
43.
Which type of tumor is being described:
Slow growing Not dangerous Does not spread
a)
Malignant
b)
Benign
44.
These are examples of:
- Surgery
- Chemotherapy
- Radiation
a)
Treatments for Cancer
b)
Mutations
c)
Examples of Asexual Reproduction
d)
Types of Tumors
45.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
46.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
47.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
48.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
49.
The fertilized egg is termed a/an _____.
a)
gamete
b)
allele
c)
homolog
d)
zygote
50.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
51.
When does replication of chromosomes occur in animal cell meiosis?
a)
Before Meiosis I and Meiosis II
b)
Before Meiosis II Only
c)
Before Meiosis I Only
d)
During Prophase I and Prophase II
52.
Identify the phase.
a)
Telophase I
b)
Telophase II
c)
Metaphase I
d)
Metaphase II
53.
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
54.
1n indicates that the cell is ____.
a)
Diploid
b)
Haploid
55.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
56.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
57.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
58.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad (pair of chromosomes, one from mom and one from dad)
b)
triad
c)
diploid
d)
quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)
59.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
60.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
61.
Which of the following best describes meiosis?
a)
It is carried out in all tissues theat require cell replacement
b)
It occurs only in cells in the reproductive structures of an organism
c)
It happens in all of the tissues except the brain and spinal cord
d)
It is the first stage of mitosis
62.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
63.
Which process is shown in the image?
a)
crossing over
b)
independent assortment
c)
segregation
d)
mutation
64.
During metaphase I, tetrads can line up in different ways. This is called:
a)
crossing over
b)
independent assortment
c)
dependent assortment
d)
confusion
65.
Which are true about the mitotic stage of the cell cycle?
a)
contains mitosis and cytokinesis
b)
cell division occurs
c)
it is a part of interphase
d)
the longest part of the cell cycle
66.
A segment of DNA that codes for a trait
a)
gene
b)
allele
c)
chromosome
d)
chromatid
67.
A version or variation of a gene
a)
trait
b)
gene
c)
allele
d)
DNA
68.
Homologous chromosomes have the same genes.
a)
True
b)
False
69.
Homologous chromosomes are completely identical, including alleles.
a)
True
b)
False
70.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
71.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
72.
The structures labeled B are
a)
centrioles
b)
chromatids
c)
centromeres
d)
chromopheres
73.
The structure labeled A is a(n)
a)
chromatid
b)
centriole
c)
centromere
d)
chromophere
74.
An abnormality in which homologous chromosomes fail to separate properly is called
a)
glue syndrome
b)
sticky-osis
c)
nondisjunction
d)
telophase
75.
the building block of DNA is___?
a)
amino acid
b)
nucleotide
c)
glycerol group
d)
fatty acids
76.
DNA molecule is made of ___________ strands
a)
1
b)
2
c)
3
d)
4
77.
The type of sugar in DNA is ___________ sugar
a)
Ribose
b)
Fructose
c)
Maltose
d)
Deoxyribose
78.
DNA replication ends with two identical DNA molecules, each containing one original strand and one strand made up of new nucleotides. How would you describe this process?
a)
good
b)
practical
c)
conservative
d)
semiconservative
79.
A malignant tumor is
a)
a mass of normal cells
b)
a mass of abnormal cells that exhibit uncontrolled division
c)
cancer cells that have spread throughout the body
d)
none of the above
80.
Radiation therapy is a type of cancer treatment that uses beams of intense energy to kill cancer cells.
a)
True
b)
False
100 %
