WorksheetsSemester Exam Review
Total questions: 42
Worksheet time: 23mins
Name
Class
Date
1.
If a plant had the genotype SsAA, what would be its phenotype?
a)
smooth with terminal flowers
b)
smooth with axial flowers
c)
short with axial flowers
d)
smooth with plastic flowers
2.
Birds such as cardinals, eagles, and ducks have differently shaped beaks due to
a)
random changes in beak structure.
b)
adaptations to different environments and feeding habits over a long period of time.
c)
differences acquired during their lifetimes
d)
inheritance of acquired characteristics.
3.
If a there was no water on the Galapagos Islands for several years, and the only food left was really hard seeds, the birds' beaks would change because...
a)
small birds will exercise their beak until it is large
b)
small birds will mutate their small beaks
c)
small birds will start eating more, and grow bigger beaks
d)
smaller birds will die out leaving only the big beaked birds to reproduce
4.
Biological evolution by natural selection is when genes ____, individuals ____, and populations ____.
a)
evolve; mutate; are selected
b)
evolve; are selected; mutate
c)
mutate; are selected; evolve
d)
mutate; evolve; are selected
5.
Which graph will lead to two new species?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
6.
The shift from light to dark moths is a form of which type of selection?
a)
natural
b)
stabilizing
c)
disruptive
d)
directional
7.
The dark form of the peppered moth...
a)
has a selective advantage in polluted areas
b)
has a selective advantage in unpolluted areas
c)
is more easily spotted in polluted areas
d)
is the dominant form of the gene
8.
Define fitness.
a)
The person who could survive a zombie apocalypse.
b)
The person with enough money to buy anything.
c)
The person with the most offspring.
d)
The person who is the strongest man on earth.
9.
Why doesn't the theory of inheritance of acquired characteristics work?
a)
You can't pass down genes to your kids
b)
You can't pass down family heirlooms to your kids
c)
You can't pass down adaptations you have achieved to your kids
10.
What would be the genotype of a green plant with smooth seeds?
a)
YYss
b)
GgSs
c)
GGss
d)
ggss
11.
The backbone of DNA is made up of
a)
ribose sugar and phosphate
b)
deoxyribose sugar and phosphate
c)
ribose sugar and phosphorous
d)
deoxyribose sugar and phosphorous
12.
Which picture shows anaphase?
a)
A
b)
C
c)
D
d)
E
13.
Which picture shows when chromosomes separate from the middle?
a)
B
b)
C
c)
D
d)
E
14.
Which of the phases in this picture is not actually a phase of mitosis?
a)
A
b)
C
c)
D
d)
B
15.
Which process creates 4 haploid cells?
a)
mitosis
b)
meiosis
c)
crossing-over
d)
DNA replication
16.
____________ : growth and repair :: ____________ : genetic recombination
a)
meiosis, mitosis
b)
mitosis, meiosis
c)
mitosis, DNA replication
d)
DNA replication, meiosis
17.
What does this picture show?
a)
DNA mutation
b)
segregation of sister chromatids
c)
segregation of alleles
d)
crossing-over of alleles
18.
If you have a child what is the chance they will be a girl?
a)
25%
b)
50%
c)
75%
d)
12.5%
19.
Which of the following is the complementary DNA sequence for the following DNA strand 3’ AAT GAC CGG AAG 5’?
a)
3’ TTA CTG GCC TTC 5’
b)
3’ AAT GAC CGG AAG 5’
c)
5’ TTA CTG GCC TTC 3’
d)
5’ TTA CAG GAC TCC 3’
20.
Create an mRNA strand from the following DNA.
3’ AAT GAC CGG AAG 5’
3’ AAT GAC CGG AAG 5’
a)
5’ AAU GTC CGG AAG 3’
b)
5’ TTA CTG GCC TTC 3’
c)
5’ UUA CUG GCC UUC 3’
d)
5’ GGA AGU UAA GGA 3’
21.
What is the correct amino acid sequence for the mRNA
5’ AAU GUC CGG UUG 3’
5’ AAU GUC CGG UUG 3’
a)
Leu – Leu – Ala – Phe
b)
Leu - Ala - Phe - Lys
c)
Asn - Val - Ala - Leu
d)
Asn - Ala - Val - Leu
22.
During a speciation event, which normally comes first, geographical isolation or reproductive isolation?
a)
geographical
b)
reproductive
23.
When horses and donkeys breed they produce mules. But horses and donkeys are not the same species because...
a)
Horses are bigger
b)
Donkeys are stronger
c)
Mules cannot reproduce
d)
Mules can reproduce
24.
Which of the animals on the diagram are carnivores?
a)
turtle, horse, wolf
b)
horse, wolf, leopard, cat
c)
wolf, leopard, cat
d)
leopard, cat
25.
What is the most reliable way to tell how closely two species are related?
a)
comparing their physical structures
b)
reading their scientific names
c)
examining the fossil record
d)
comparing their DNA
26.
According to the chart which two species are the most related?
a)
1 and 2
b)
2 and 3
c)
1 and 4
d)
2 and 4
27.
Organize the following in the correct order.
a)
molecule, cell, tissue, organ, organ system, organism
b)
cell, molecule, tissue, organ, organ system, organism
c)
organism, organ, tissue, cell, molecule, organ system
d)
molecule, tissue, cell, organ system, organism, organ
28.
Which of the following is an example of a vestigial structure in humans?
a)
Femur
b)
Heart
c)
Kidneys
d)
Appendix
29.
Which two body systems work together to pull oxygen from the atmosphere and move it throughout the entire body?
a)
muscular and circulatory
b)
circulatory and nervous
c)
respiratory and muscular
d)
respiratory and circulatory
30.
Cell membrane bilayers are important for maintaining homeostasis by controlling
a)
when hormones are created
b)
temperature inside the cell
c)
what role the cell plays in the body
d)
how molecules move in and out of the cell
31.
When environmental conditions change, populations most vulnerable to extinction are
a)
large populations of small individuals living in urban areas.
b)
large populations of medium-sized individuals living in urban areas
c)
populations of species that are generalists with regard to needed resources
d)
populations of species that are specialized with regard to needed resources
32.
Natural selection is based on all of the following EXCEPT
a)
Genetic variation exists within populations.
b)
The best–adapted individuals tend to leave the most offspring
c)
Populations tend to produce more individuals than the environment can support.
d)
Individuals adapt to their environments and, thereby, evolve.
33.
Why might identical twins look a little different from one another?
a)
their genes are different
b)
their genes have silent mutations
c)
the environment affected them differently
d)
the probability of their genes is the same
34.
What is the genotype of someone who is heterozygous for type B blood?
a)
IBIB
b)
IBi
c)
IAIB
d)
ii
35.
Stephanie has type AB blood. Who can she receive blood from?
a)
only other people with AB blood
b)
people with type A or type B
c)
only people with type O
d)
anyone with any blood type
36.
What is the genotype ratio for this cross?
a)
3:1
b)
1:2:1
c)
2:2:0
d)
2:2
37.
What is the phenotype ratio for this cross?
a)
3:1
b)
1:2:1
c)
2:2:0
d)
2:2
38.
When you cross white snapdragons with red snapdragons you get pink. How would you create a line of purebred pink snapdragons?
a)
cross pink with white
b)
cross pink with pink
c)
cross red with red
d)
it cannot be done
39.
This picture shows what type of structures?
a)
homologous
b)
vestigial
c)
analogous
d)
different
40.
This picture shows what type of structures?
a)
homologous
b)
vestigial
c)
analogous
d)
different
41.
Which graph best represents the populations of the moths in England?
a)
A
b)
B
c)
C
d)
D
42.
Which part of natural selection is caused by a predator in the population?
a)
struggle to survive
b)
overpopulation
c)
genetic variation
d)
differential reproduction
100 %
