For veterinarians, the use of recombinant DNA technology will result in -

making more treatments available for pets

Which question will best help a student identify the role of seaweeds in an ecosystem?

Which organisms depend on seaweeds as an energy source?

In an ecosystem, a sudden decrease in the number of bacteria in the soil would result in -

a reduction in the amount of nitrogen available

The development of longer legs over time in ponies would be selected for if -

it increased the survival rate of the long-legged ponies

Proteins are among the most diverse group of macromolecules because of the -

different amino acids that can be connected in many ways

Which characteristic do most adult fungi and plants share?

They both have cells with cell walls.

The result of spermatogenesis is four sperm cells, each with -

half of the original number of chromosomes

What did Rosalind Franklin contribute to the understanding of DNA molecules?

An image indicating the shape of a DNA molecule

Which kind of data would best help a student evaluate the effect of a nonnative pest species?

Information about the ecosystem before infestation

Which of these was a result of the general acceptance that microorganisms cause disease?

the development and use of antibiotics

Embryology helps in classification by providing clues about the -

common ancestry among vertebrate species

H2O has a slightly ________ charge on the _________ atom(s).

negative, oxygen., positive, hydrogen

Which statement best describes her hypothesis?

She thinks that some robins must migrate in the winter.

Which conclusion could you make from the data shown?

The optimum habitat for this population is 100 trees/acre.

Which statement is an inference based on this information?

Milkweed seeds are dispersed by wind.

Darwin's explanation for evolution was dependent on which scientific concept?

the existence of variations in a population

The best explanation of the differences between the setups is that the -

light caused the plant to photosynthesize, releasing O2

What can be concluded from this graph?

The enzyme lowers the energy of activation for the reaction.

Which feature do viruses have in common with animal cells?

Presence of a genetic code in nucleic acid

Studying differences between fossils and modern organisms helps scientists better understand -

evolution of organisms over time

Which would most likely result in a change to the current classification of an organism?

Linking to different ancestors through DNA sequencing

The structural differences between a tadpole and an adult frog are due to the -

different sets of genes expressed at each stage

Which procedure should have been performed to prevent error in this investigation?

Both should've been tested in the same soil at each humidity

For the growth curve to continue increasing, which of these must occur?

The resources in the environment must be unlimited.

The weakness of hydrogen bonds between the bases of DNA allows -

base pairs to separate during transcription and replication

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Biology SOL Review

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A broad overview of what questions to expect from Virginia's #Biology SOL.

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Questions 46

Answers

1
Which structure would control movement in a single-celled organism?
nucleus
cell membrane
flagella
vacuole
2
According to the classification key, what is the genus and species of this organism?
Eurytides marcellus
Papilio polyxenes
Malacosoma americanum
Papilio palamedes
3
For veterinarians, the use of recombinant DNA technology will result in -
decreasing the number of antibodies produced by pets
altering the chromosomes of healthy pets
identifying new diseases spread by pets
making more treatments available for pets
4
Which question will best help a student identify the role of seaweeds in an ecosystem?
Which organisms depend on seaweeds as an energy source?
Which seaweed produces the greatest amount of oxygen?
What wavelengths of light are photosynthesized by seaweeds?
What is the salinity in areas where seaweed is growing?
5
Which is most likely responsible for the formation of distinct species in separate habitats?
reproductive isolation
geographic isolation
behavioral isolation
physiological isolation
6
Which best helps scientists determine the age of fossils?
genetic makeup
radioactive isotopes
reproductive strategy
physical traits
7
In an ecosystem, a sudden decrease in the number of bacteria in the soil would result in -
increased precipitation and flooding of the soil
increased water pollution in the soil
a reduction in the amount of nitrogen available
a decrease in the number of fossils formed in the soil
8
The development of longer legs over time in ponies would be selected for if -
it decreased the rate of reproduction of long-legged ponies
it kept the long-legged ponies from using food resources
it made the long-legged ponies run more slowly
it increased the survival rate of the long-legged ponies
9
Proteins are among the most diverse group of macromolecules because of the -
different types of bonds linking amino acids together
link between each DNA base and an amino acid in a protein
different amino acids that can be connected in many ways
energy phosphate groups that the amino acids contain
10
Which characteristic do most adult fungi and plants share?
They both have cells with cell walls.
They are both producers.
They both reproduce through binary fission.
They both have multiple nuclei in each cell.
11
Which substance is most likely represented by Y?
Light
ATP
CO2
Glucose
12
The result of spermatogenesis is four sperm cells, each with -
genetically identical strands of DNA
strands of DNA that resulted from crossing over
complete copies of all the original chromosomes
half of the original number of chromosomes
13
What did Rosalind Franklin contribute to the understanding of DNA molecules?
A theory about how DNA conveys genetic information
An analysis of the chemical makeup of a DNA molecule
A thought that DNA carries genetic information
An image indicating the shape of a DNA molecule
14
Which kind of data would best help a student evaluate the effect of a nonnative pest species?
A list of foreign ecosystems infiltrated by this pest
Information about the ecosystem before infestation
A comparison of the pest species with native pest species
An account of how it was introduced to the new ecosystem
15
Which of these was a result of the general acceptance that microorganisms cause disease?
the proof of a supernatural cause for illness
the belief in spontaneous generation
the development and use of antibiotics
the link between viruses and RNA
16
Embryology helps in classification by providing clues about the -
prokaryotic species that are at risk for extinction
rate of appearances of new terrestrial organisms
common ancestry among vertebrate species
barriers to mating among marine populations
17
H₂O has a slightly ________ charge on the _________ atom(s).
positive, oxygen
negative, oxygen.
positive, hydrogen
negative, hydrogen
18
Which statement best describes her hypothesis?
She counts the robins in her yard once a week for 2 years.
Some robins are not in her yard during winter.
She thinks that some robins must migrate in the winter.
She notices fewer robins in her yard during then winter.
19
Which conclusion could you make from the data shown?
The warbler population stabilizes with > 120 trees/acre.
As the juniper population increases, so does the warbler's.
The optimum habitat for this population is 100 trees/acre.
This warbler population is unable to survive with junipers.
20
Which statement is an inference based on this information?
Plant seeds have different shapes.
Maple seeds have a membrane-like extension.
Milkweed seeds are dispersed by wind.
Burdock seeds have short, peg-like extensions.
21
Darwin's explanation for evolution was dependent on which scientific concept?
the significance of social behaviors to survival
the existence of variations in a population
the ability of organisms to learn
the relationship between size and survival
22
The function of a dissolved oxygen probe is to -
gather accurate data
test a hypothesis
analyze investigation conditions
create a model
23
What is the dependent variable?
incubation temperature (°C)
fractional activity (%)
starch solution (mL)
water (mL)
24
In a population of 120 oak trees, 25% have oak wilt disease. What is the number?
75
50
30
100
25
The best explanation of the differences between the setups is that the -
heat from light source caused the escape of dissolved gas
metabolism of the elodea plants absorbed CO2 from the water
gravity increased the downward flow of trapped water
light caused the plant to photosynthesize, releasing O2
26
To classify a new organism, which of these should you first compare to other known organisms?
physical structure
dietary habits
reproductive method
ecological niche
27
What is the percent chance that an offspring from a Dd and DD cross will be heterozygous?
0%
100%
25%
50%
28
Based on the information in the chart, the organism most likely belongs to the kingdom -
Plantae
Eubacteria
Fungi
Animalia
29
What can be concluded from this graph?
The reactants have less energy than the products.
The amount of free energy increases with an enzyme.
The enzyme is consumed during the course of the reaction.
The enzyme lowers the energy of activation for the reaction.
30
Red is dominant to white. What is the expected result between two heterozygous rose plants?
75% red, 25% white
50% red, 50% white
100% red
25% red, 75% white
31
The arrow in the diagram represents the movement of which molecular structure?
DNA molecule
mRNA molecule
Protein
Base pair
32
"If plants are added to an indoor environment, the air quality will improve."
procedure
hypothesis
theory
observation
33
Which trial in the table of data shown has questionable data?
Y
X
Z
X
34
Which feature do viruses have in common with animal cells?
Presence of a genetic code in nucleic acid
Existence of lipids in cell membranes
Production of energy by a mitochonrion
Ability to form proteins at the ribosomes
35
Studying differences between fossils and modern organisms helps scientists better understand -
the primary function of key macromolecules
evolution of organisms over time
the role of mutation in life functions
the adaptation of organisms through acquired traits
36
The blood flow to the ears decreases during cool or cold nights and is most directly related to
osmosis
homeostasis
detoxification
excretion
37
Which would most likely result in a change to the current classification of an organism?
Linking to different ancestors through DNA sequencing
Observing organisms that occupy the same ecological niche
Finding a related organism that was thought to be extinct
Discovering similar organisms in the fossil record
38
The structural differences between a tadpole and an adult frog are due to the -
availability of food sources at different stages
combination of DNA inherited during fertilization
type of DNA present at each developmental stage
different sets of genes expressed at each stage
39
Which procedure should have been performed to prevent error in this investigation?
One type of plant should have been tested.
Both should've been tested in the same soil at each humidity
Fewer plants should have been included in each group.
The percentage of humidity should have been kept constant.
40
For the growth curve to continue increasing, which of these must occur?
A habitat must be provided for a large variety of organisms.
The organisms must migrate to a new environment.
The resources in the environment must be unlimited.
The organisms must adapt to a new habitat.
41
Which organism is both an autotroph and a heterotroph?
yeast
fern
euglena
paramecium
42
What phase of mitosis is shown in this picture?
Metaphase
Telophase
Anaphase
Prophase
43
Which is an activity that increases the genetic variation within a population of earthworms?
fragmentation
budding
binary fission
sexual reproduction
44
Scientists classifying modern animals are most like to compare the -
function of the animals' limbs
structure of the animals' ATP
composition of the animals' bones
sequence of the animals' DNA
45
Chargaff's discovery of A=T and C=G proved invaluable to the discovery of which aspect of DNA?
location
structure
volume
solubility
46
The weakness of hydrogen bonds between the bases of DNA allows -
base pairs to separate during transcription and replication
rearrangement of the sequence of bases to take place
new bases to be incorporated into the DNA molecule
conversion of bases to amino acids during cell starvation

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