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WorksheetsBiology 2nd semester review 1
Total questions: 100
Worksheet time: 2hrs 2mins
Name
Class
Date
1.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
2.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
3.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
4.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
5.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
6.
Name the growth phase of the cell cycle for both Mitosis and Meiosis.
a)
metaphase
b)
telophase
c)
interphase
d)
anaophase
7.
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
a)
segregation of sister chromatids
b)
condensation and segregation of alleles
c)
mutationin which the DNA content of the gene is altered
d)
crossing - over in which alleles are exchanged
8.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
9.
products of meiosis are genetically
a)
different
b)
identical
10.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
11.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
12.
How are your chromosomes inherited?
a)
most of your chromosomes from your mother
b)
most of your chromosomes from your father
c)
a random number of chromosomes from each parent
d)
half your chromosomes from your mother and half from your father.
13.
Meiosis produces different types of cells than mitosis. If there was a "meiosis club," all of these cells could be included EXCEPT
(Which cell type is not produced in meiosis?)
(Which cell type is not produced in meiosis?)
a)
gametes
b)
body cells
c)
sperm cells
d)
egg cells
14.
In meiosis, crossing over occurs in prophase 1. What is the significance of this event?
a)
This process ensures that chromosomes are evenly divided into daughter cells.
b)
This process can lead to genetic variation in daughter cells.
c)
This process can create gaps in the chromosome DNA for RNA to bind.
d)
This process allows for spindles to connect to the chromosomes in order to pull chromosomes apart.
15.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
16.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
17.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
18.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
Metaphase I
19.
What phases is shown here?
a)
Prophase II
b)
Prophase I
c)
Anaphase II
d)
Interphase I
20.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
21.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
22.
What phase is this?
a)
Interphase II
b)
Prophase I
c)
Metaphase I
d)
Anaphase II
23.
During which phase of the cell cycle does the cell spend the most time?
a)
Mitosis
b)
Cytokinesis
c)
Interphase
24.
During which part of the cell cycle does the cell divide?
a)
Interphase
b)
Mitosis
c)
S phase
25.
During which part of the cell cycle is DNA copied?
a)
Mitosis
b)
Cytokinesis
c)
S phase
26.
What is the purpose of the cell cycle?
a)
To create new daughter cells
b)
To prevent cancer from developing
c)
To help the body fight viruses and bacteria
27.
Uncontrolled cell division which usually leads to tumors and disease is called:
a)
Metaphase
b)
Cytokinesis
c)
Cancer
d)
Diabetes
28.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
29.
Put the following actions in order: DNA replicates, cell grows, cell divides, cell prepares for mitosis.
a)
DNA replicates, cell grows, cell prepares for mitosis, cell divides
b)
cell grows, cell prepares for mitosis, DNA replicates, cell divides
c)
cell grows, DNA replicates, cell prepares for mitosis, cell divides
d)
DNA replicates, cell prepares for mitosis, cell grows, cell divides
30.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
31.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
32.
Which type of cell is unspecialized?
a)
skin cell
b)
stem cell
c)
liver cell
d)
muscle cell
33.
Which of these phases of mitosis take place first?
a)
anaphase
b)
telophase
c)
prophase
d)
metaphase
34.
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
35.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
36.
Brown (B) is dominant over white (b). Which genotype is a purebred for brown fur?
a)
BB
b)
Bb
c)
bb
d)
All of the above
37.
True/False: Different genotypes can code for the same phenotype.
a)
True
b)
False
38.
A phenotype is the...
a)
letter combination
b)
dominant gene
c)
recessive gene
d)
physical appearance
39.
What is the genotype for this organism?
(E= 3 eyes, e= 1 eye)
(E= 3 eyes, e= 1 eye)
a)
EE
b)
Ee
c)
ee
d)
EE or Ee
40.
In certain rats, black fur is dominant over white fur. If two rats, both heterozygous for fur color are mated, their offspring would be expected to have
a)
four different genotypes and two different colors
b)
two different genotypes and three different colors
c)
three different genotypes and two different colors
d)
three different genotypes and three different colors
41.
If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true? Make a punnett square!
a)
All sons will have hemophilia
b)
all daughters will have hemophilia
c)
50% of daughters and 50% of sons have hemophilia
d)
100% of sons have hemophilia and 100% of daughters are carriers
42.
In the second generation-how many people are carriers of the trait?
a)
2
b)
3
c)
5
d)
6
43.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
44.
A nucleotide includes...?
a)
pentose sugar
b)
nitrogenous base
c)
phosphate group
d)
all of the above
45.
In DNA, Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
46.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
47.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
48.
What is responsible for holding the two strands of the DNA double helix together?
a)
hydrogen bonds
b)
alleles
c)
London dispersion forces
d)
deoxyribose sugars
49.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
50.
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
51.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
52.
Who was responsible for the model shown?
a)
Oswald Avery, et. al.
b)
Watson and Crick
c)
Erwin Chargaff
d)
Linus Pauling
53.
If Chargaff found that a sample of DNA has 20% ADENINE, how much THYMINE would he have determined to be there?
a)
30%
b)
20%
c)
80%
d)
60%
54.
The structure that holds two sister chromatids together until they separate for cell division is called a...
a)
chromosome
b)
chromatin
c)
centromere
d)
centriole
55.
A photograph or picture of chromosomes grouped in ordered pairs is called a.....
a)
Pedigree
b)
Chromosome chart
c)
Mitotic index
d)
Karyotype
56.
What is the gender of the individual whose karyotype is seen in the image?
a)
b)
57.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
58.
What would indicate a normal human male?
a)
XX
b)
X
c)
XY
d)
XXY
59.
The chromosomal mutation shown in the image is a
a)
deletion
b)
duplication
c)
inversion
d)
translocation
60.
The chromosomal mutation shown in the image is a
a)
deletion
b)
duplication
c)
inversion
d)
translocation
61.
The chromosomal mutation shown in the image is a
a)
deletion
b)
duplication
c)
inversion
d)
translocation
62.
When a plant cell goes through cell division, _____________.
a)
the 2 new nuclei are separated by the cell membrane pinching off.
b)
4 new cells are formed
c)
a cell plate forms, dividing the 2 new nuclei
d)
None of the above
63.
When an animal cell goes through cytokinesis,__________
a)
a cell plate forms dividing the 2 new nuclei.
b)
the cell membrane pinches off the 2 new cells.
c)
4 new cells are formed.
d)
None of the above
64.
Which is true about cellular transport and communication in large cells?
a)
It is more efficient.
b)
It is less efficient.
c)
There is no difference between large and small cells.
65.
A cross of a red cow with a white bull produces all roan offspring. This type of inheritance is known as
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
"breed time:
66.
A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
67.
condition in which both alleles for a gene are expressed when present - both traits are visible
a)
Codominance
b)
Dominance
c)
Complete dominance
d)
Incomplete dominance
68.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
69.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be what?
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
70.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
71.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
72.
If you have a parent who has GgBb as their genotype, what are the possible alleles they could donate to their gametes?
a)
GB, Gb, gB, gb
b)
GB, GB, gb, gb
c)
Gb, Gb, Gb, GB
d)
GG, BB, gg, bb
73.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
74.
In RNA, Uracil pairs with ______.
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
75.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
76.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
77.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand:
GTAGTCA
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
78.
What process is going on in this photo?
a)
Transcription
b)
Translation
c)
Replication
d)
All the above
79.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
80.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
81.
What combines together to make a protein?
a)
Amino Acid
b)
RNA
c)
Ribosome
d)
DNA
82.
What is the order for Protein Synthesis?
a)
Transcription -> Translation -> Protein
b)
Translation - > Transcription -> Protein
c)
Protein -> Transcription -> Translation
d)
Translation -> Protein -> Transcription
83.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
84.
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution (Point)
b)
Deletion
c)
Insertion
d)
Frameshift
85.
How many codons are needed to specify for five amino acids?
a)
3
b)
5
c)
15
d)
30
86.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA
87.
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
88.
Which structure is labeled as A in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
89.
Which structure is labeled as B in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
90.
Which structure is labeled as C in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
91.
Offspring that result from a cross between purebred (homozygous) parents with DIFFERENT traits
a)
are purepbreds
b)
make up the F2 generation
c)
make up the F1 generation
d)
are called hybrids
92.
In a dihybrid cross between RrYy x RrYy produces a ration of 9:3:3:1. Which of Mendel's laws does this support?
a)
Law of Probability
b)
Law of Seqregation
c)
Law of Independent Assortment
d)
Law of Thermodynamics
93.
If a couple has 2 children, both of whom are girls, what is the probability that their next child is a girl?
a)
0
b)
1/4
c)
1/8
d)
1/2
94.
Humans can inherit an allele for type A blood, an allele for type B blood, or an allele for type O blood. Which inheritance pattern does this exhibit?
a)
Multiple alleles
b)
Incomplete dominance
c)
polygenic traits
d)
codominance
95.
Which of the following pairs is INCORRECT?
a)
DNA - thymine
b)
RNA - uracil
c)
DNA- single stranded
d)
RNA - single stranded
96.
Give the genotype for person III-3
a)
GG
b)
Gg
c)
gg
97.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
98.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
99.
DNA replication results in
a)
2 completely new DNA molecules
b)
2 DNA molecules that each contain a strand of the original
c)
1 new DNA molecule and 1 old
d)
1 new molecule of DNA
100.
Variations in human skin color is a result of
a)
multiple alleles
b)
incomplete dominance
c)
codominance
d)
polygenic traits
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