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WorksheetsWeek 14 + 15 Review
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The similarities in these homologous structures imply which of the following?
a)
The organisms grow in the same type of environments
b)
The organisms evolved from a common ancestor
c)
Their bones grow at similar rates of speed
d)
The organisms have a similar life expectancy
2.
Which best describes the first organisms to live on Earth?
a)
Prokaryotic and Anaerobic
b)
Prokaryotic & Aerobic
c)
Eukaryotic and Aerobic
d)
Eukaryotic & Anaerobic
3.
The process by which populations slowly change over time is called__________
a)
selective breeding
b)
adaptation
c)
sepeciation
d)
evolution
4.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
5.
Which layer is the oldest
a)
B
b)
A
c)
E
d)
C
6.
What does Darwin's theory of evolution suggest?
a)
species change over time
b)
extinct species are not related to living species
c)
different species can interbreed
d)
animals that look alike are most closely related
7.
If species A and B have very similar genes and proteins, what is probably TRUE?
a)
species A and B share a relatively recent common ancestor
b)
species A evolved independently of species B for a long period
c)
species A is younger than species B
d)
species A is older than species B
8.
During the industrial revolution, dark moths blended in better with the soot on trees. White moths did not camouflage and were more readily seen by predators. Over time, the dark moths outnumbered the white moths. This is an example of which of the following?
a)
Osmosis
b)
Natural Selection
c)
Genetic Engineering
d)
Gene Therapy
9.
The lava released by a volcanic eruption separates two populations of a species of monkey. What does this represent?
a)
biological isolation
b)
geographical isolation
c)
temporal isolation
d)
anatomical isolation
10.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
11.
A researcher sprays a new pesticide on thousands of insects of the same species that live in a large field. A few of the insects survive. What can be concluded by the researcher?
a)
The species of insects will likely become resistant to the pesticide.
b)
The ideal interval between the first and second applications of the pesticide should be increased.
c)
The pesticide has no effect on the species.
d)
The concentration of the pesticide was too weak.
12.
HIV is the virus that causes AIDS. What kind of medicine should be used to treat AIDS.
a)
Antiacid
b)
Antifungal
c)
Antiviral
d)
Antibiotic
13.
Antibiotics do not work on
a)
bacteria
b)
viruses
c)
fungi
d)
children
14.
When the DNA of an organism is altered it is referred to as…
a)
Mutation
b)
Gene Flow
c)
Genetic Drift
d)
Sexual Selection
15.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
16.
What can happen to bacteria cells when a person takes an antibiotic?
a)
the bacteria cells change to become resistant
b)
the resistant cells survive and reproduce
c)
the cells with unfavorable traits survive
d)
the cells with lower fitness survive
17.
Why is it necessary to have the flu shot every year?
a)
A person's antibodies level never declines after receiving the vaccine
b)
People only have passive immunity to the flu for one year
c)
The flu virus evolves quickly
d)
The flu virus remains unchanged from year to year
18.
What is the purpose of gel electrophoresis?
a)
helps cut DNA
b)
count the genes in DNA
c)
separates DNA based on size
d)
allows for an exact replicated organism
19.
Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
a)
DNA is negatively charged so attracted to the positive end of the unit
b)
DNA is positively charged to attracted to the negative end of the unit
c)
the agarose gel in negatively charged
d)
the agarose gel is positively charged
20.
Which DNA fragment bands move faster and farther in a gel electrophoresis?
a)
there is no way to tell
b)
the largest ones
c)
the smallest ones
d)
none of these
21.
Which is the primary purpose of using restriction enzymes in gel elctrophoresis?
a)
It allows the strands of DNA to be cut into various lengths for testing
b)
It restricts the number of base pairs that can be tested in a sample
c)
It makes the testing simpler by moving the strands into the gel faster
d)
It charges the DNA strands
22.
Shannon does not know who her father is. There are three possibilities: Jack, Daniel and Bill. Who is the father?
a)
Jack
b)
Daniel
c)
Bill
23.
An organism in which foreign genes have been incorporated is called a:
a)
clone
b)
transgene recombiner
c)
polymorphism
d)
transgenic organism
24.
Restriction enzymes are used to ___ DNA.
a)
glue together
b)
cut
c)
reconnect
d)
exchange
25.
Which would be the benefit of a transgenic crop?
a)
decreased drought tolerance
b)
decreased disease resistance
c)
increased resistance to pests
d)
increased demands for nutrients
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