Transcript EOCT Quiz #9

EOCT Quiz #9
25 Questions
#1
These organisms have chitin in
their cell walls:
a.
b.
c.
d.
Bacteria
Plants
Fungus
Animals
#2
Which group of macromolecules
includes enzymes?
a.
b.
c.
d.
Lipids
Carbohydrates
Nucleic acids
Proteins
#3
a.
b.
c.
d.
Species
Community
Population
Ecosystem
#4
The Punnett square shows a cross in pea plants.
R represents offspring with round seeds, and r represents
offspring with wrinkled seeds.
a.
b.
c.
d.
25%
50%
75%
100%
#5
a. Available energy is highest in
the surface ocean algae and
lowest in the meat-eating fish.
b. Available energy is highest in
the meat-eating fish and lowest in
the surface ocean algae.
c. Available energy is highest in
the blue whale.
d. The same amount of energy is
available to organisms occupying
all trophic levels.
#6
The picture in the first panel shows a segment of DNA
from a cow. The next four panels show DNA segments
from four calves.
a.
b.
c.
d.
Calf 1
Calf 2
Calf 3
Calf 4
#7
The diagram shows the embryos and the adult
forms of animals from different classification
groups. What do the embryos suggest about
these three animals?
a. The animals are not related.
b. The animals share a common
ancestor and are therefore related.
c. Fish are more closely related to
humans than are chickens.
d. Fish and chickens are closely
related, but humans are not
related to either fish or chickens.
#8
a. The different finch species have migrated and separated to
their own islands to minimize competition.
b. At some point in the past, the small tree finch must have bred
with the cactus finch to create the vegetarian finch
c. Each species developed beaks that made it easier to obtain
food they most liked to eat.
d. Through adaptation, the species of finches have developed
beaks that are better suited to the different foods available on
their island.
#9
a.
b.
c.
d.
Protein
Carbohydrate
Nucleic Acid
Lipid
#10
a.
b.
c.
d.
Protein
Carbohydrate
Nucleic Acid
Lipid
#11
A scientist analyzed four samples of nitrogen
bases to determine whether they contained
DNA. Her results are shown in the table.
a.
b.
c.
d.
Samples A & B
Samples A & C
Samples B & C
Samples B & D
#12
a.
b.
c.
d.
Water can move out of the cell to dilute the sugar.
Sugar can move into the cell to dilute the sugar.
Sugar can move out of the cell to dilute the water.
The cell is already at homeostasis.
#13
Based on the data in the chart below,
which organisms share the most recent
common ancestor to humans?
a.
b.
c.
d.
kangaroo
rhesus monkey
gorilla
soy bean
#14
Scientists use cladograms to show the evolutionary relationships
among species. The letters at the branching points represent a
common ancestor of two species.
a.
b.
c.
d.
Species 2, 3, & 4 are descendants of ancestor D.
Species 5 is a descendant of ancestor B.
Ancestor C is a descendant of species 5.
Species 2 & 4 are descendants of ancestor C.
#15
A scientist studied how a catalyst affects the rate of a chemical
reaction. The data table shows the scientist’s results.
a. The catalyst did not affect the rate of the reaction.
b. The more catalyst added, the slower the rate of the reaction.
c. The more catalyst added, the faster the rate of the reaction.
d. If 50 mg of catalyst were added, the reaction would take more
than 22.6 seconds.
#16
Burning fossil fuels releases
large amounts of carbon dioxide
gas. The resulting increase in
carbon dioxide levels has
caused global temperatures to
increase over time. The
increase in mean global
temperatures is shown in the
graph.
#17
a.
b.
c.
d.
Fir, birch, and white spruce
Pine, spruce, and aspen
Grasses and shrubs
Lichens and mosses
#18
The diagrams show the structures making up an
alligator’s leg and a penguin’s flipper.
a.
b.
c.
d.
Vestigal structures
Homologous structures
Analogous structures
Embryological structures
#19
The diagram shows the base sequence of a
strand of DNA.
a.
b.
c.
d.
T–G–A–A–C
A–C–T–T–G
T–G–U–U–C
U–C–T–T–G
#20
What does the peak of the solid line represent?
a.
b.
c.
d.
Activation energy with a catalyst.
Activation energy without a catalyst.
Energy of the products.
Reaction progress.
#21
a.
b.
c.
d.
Statements 1 & 2
Statements 1 & 3
Statements 2 & 3
Statements 3 & 4
#22
Amylase is an enzyme in saliva that
assists in the reaction that breaks down
starch. How does amylase affect the
reaction?
a.
b.
c.
d.
It changes the pH of the reaction
It changes the temperature of the reaction
It changes the products of the reaction
It changes the speed of the reaction
#23
Scientists have discovered a new
species of bacteria. Which would
provide the BEST basis for classifying
this species?
a.
b.
c.
d.
Cell structure
Habitat
Method of reproduction
DNA comparison
#24
Which of the following BEST
describes the evolutionary theory of
gradualism?
a. Biological change occurs slowly and steadily over a
long period of time.
b. Biological change occurs quickly over a short period
of time, following by long periods of little or no
change.
c. The mutations of a few genes result in a new
species.
d. Events throughout the history of life have caused
the extinction of species.
#25
Which kind of mutation has occurred
in the following sequence of bases in
a DNA molecule?
a.
b.
c.
d.
Deletion
Chromosomal
Inversion
Substitution
The End