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32)
If the RNA molecule in a human has the nucleotide sequence of GUU, this would
indicate that the amino acid valine would be needed to make the protein. How would this
change if this process was occurring in a mushroom?
33)
A)
there would be no change; GUU always codes for valine
B)
valine is not an amino acid found in any organism besides humans
C)
mushrooms do not need to make proteins so this process would not occur
D)
in a mushroom, GUU would actually code for an amino acid not found on the
chart
After a solar power plant is constructed, which statement best describes the
waste produced and its environmental impact?
A) Solar energy produces no waste and has almost no impact on the environment.
B) Solar energy produces large waste and has considerable impact on the environment.
C)
Solar energy produces no waste and but has considerable negative impact on the
environment.
D)
Solar energy produces small amounts of waste and has a small negative impact on the
environment.
34)
Chemical analysis of the oxygen isotopes in foraminifera shells allow scientists to create a
climate record like the one shown here. The chemical composition of shells depends on the
temperature of the surrounding water and the presence or absence of large polar ice sheets.
Fossil data like this indicates that
A) only simple organisms on Earth are subject to change over time.
B) climatic changes can definitely influence changes in life forms.
C) change in life forms is more likely to change in marine habitats.
D) climatic change does not necessarily result in change in life forms.
35)
As part of their research on cell reproduction, Ms. Kelly’s biology class designed various
experiments to determine the best conditions for budding, or asexual reproduction, in
common yeast cells. One group of students placed yeast in a test tube with warm water and
table sugar as a source of food. They used a light microscope to observe the yeast cells.
One student noted that after the cells grew for a while, a bud formed. Ms. Kelly asked
approximately how large the yeast cells were when they began budding. Which is the MOST
LIKELY unit for measuring the size of a typical mature yeast cell?
A) picometers (pm)
B)
centimeters (cm)
C)
millimeters (mm)
D) micrometers (µm)
36)
Trey and Randall are conducting an experiment to test the effects of watering plants with
deionized water compared to tap water. They take 20 plants of the same size and species,
kept in the same area in front of a large window of their classroom, and water half with tap
water and half with deionized water. All plants receive the same amount of water daily for
three weeks. The plants watered with tap water grew an average of two inches taller. When
they were finished, they reported their results in the school newspaper.
Would their experimental findings be considered valid scientific research?
A)
No, because they weren’t working with a scientist.
B)
Yes, because they have all elements of a valid experiment.
C)
No, because their work has not been reviewed by other scientists.
D)
No, because they didn’t do enough research before their experiment.
37)
Fungi, plant, jellyfish, humans: how does the process of replication differ from one
type of organism to another?
38)
A)
Replication occurs only in simpler life forms as a type of asexual reproduction.
B)
It does not differ. Replication is a fundamental process occurring in all living
organisms to copy their DNA
C)
The more complex the organism, the more base pairs that are present. Replication
takes place at a slower rate.
D)
Simple organisms like fungi and jelly fish use replication as a method of
reproduction; higher organisms use replication for protein synthesis.
R = red flowers
r = white flowers
According to Mendel’s law of dominance, we would expect _________ percent of the
offspring to have white flowers.
A)
B)
39)
0
25
C)
50
D)
75
Jill has decided that she wants to start conserving gasoline. Jill is concerned
about the rising price of gas, as well as how the by-products from gas engines
pollute the atmosphere.
What solution would help Jill solve this problem?
A) Deciding to drive her car less until the price of gas goes down.
B) Deciding to ride her bicycle to and from work, instead of driving.
C) Deciding to use premium unleaded instead of regular unleaded gasoline.
D) Deciding to move to a city where smog from automobiles is not a problem.
40)
Sara and Juan conducted an experiment to test which soil would be BEST for growing
plants.
They used all three types of soil seen in the jar: sand, silt, and clay. They also made a
mixture of soil using equal parts of sand, silt, and clay. The planted bean seeds in four pots
and placed the pots in the sunlight. They watered the pots every day and tracked the seed
germination and plant growth. At the end of the experiment, the seed in the pot of silt grew
fastest.
Which conclusion can be drawn from the experiment?
A)
Silt is the best type of soil for growing bean seeds.
B)
The seeds in the pots with sand and clay did not grow.
C)
The amount of sunlight affects the growth of each seed.
D)
The amount of water given to each seed affects its growth.
Eliminate
…
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