Download EOCT Quiz #6

EOCT Quiz #5
35 Questions
Created by:
Brandy McClain
#1.
After a culture of cells is allowed to multiply and is
viewed through a microscope, the cells are x-rayed.
After the radiation, many newly reproduced cells
appear different. What has probably occurred?
a.
b.
c.
d.
Contamination
Mutation
Bacterial infection
Speciation
#2.
The process of photosynthesis releases
this gas into the atmosphere:
a. Oxygen
b. Carbon dioxide
c. Methane
d. Carbon monoxide
#3.
In squash plants, yellow fruit (Y) is dominant to
white fruit (y). If two plants heterozygous for
yellow fruit are crossed, what are the possible
genotypes of the offspring?
a. Yy only
b. YY and yy
c. Yy and yy
d. YY, Yy, and yy
#4.
In snapdragons, the combined expression of both alleles for
flower color produces a new phenotype that is pink. This
illustrates incomplete dominance. The Punnett square
below shows that both the white and red snapdragons are
homozygous. Which of the following would be the correct
product from a cross between two heterozygous pink
snapdragons?
a.
b.
c.
d.
2 red, 2 white
2 red, 1 pink, 1 white
1 red, 2 pink, 1 white
1 red, 1 pink, 2 white
#5.
Meiosis is the process by which gametes are
produced. In which of the following human
organs does meiosis occur?
a.
b.
c.
d.
Skin
Testis
Liver
Brain
#6.
What is the function of an
enzymes in organisms?
a. Enzymes act as reactants when the necessary products are
available.
b. Enzymes act as reactants when the necessary materials are
unavailable.
c. Enzymes act as catalysts to help reactants become products.
d. Enzymes bond with substrates to increase the activation
energy.
#7.
A mushroom and a humpback whale
are alike because both are:
a.
b.
c.
d.
Motile
Prokaryotic
Unicellular
Heterotrophic
#8.
Which of these could not be a virus?
A
C
B
D
#9.
Which of the following macromolecules
are a prominent part of animal tissues
that function in insulation, helping
animals conserve heat?
a.
b.
c.
d.
Carbohydrates
Lipids
Proteins
Nucleic acids
#10.
Cells from which of the following
organisms would be expected to
contain cell walls?
a.
b.
c.
d.
Sponge
Cricket
Water lily
Paramecium
#11.
What characteristic do
all living things share?
a.
b.
c.
d.
They contain DNA
They are made up of many parts
They reproduce by mitosis
They need oxygen to survive
#12.
The picture models a cellular metabolic
process. The main purpose of this
process is to produce —
a.
b.
c.
d.
ADP
H2O
Phosphate group
Usable energy
#13.
Lichens are a combination of fungi and algae.
They begin primary succession to break down
rocks into soil. They are an example of a:
a.
b.
c.
d.
Parasite
Pioneer Species
Abiotic Factor
Biome
#14.
The
a.
b.
c.
d.
in the pedigree chard below
represents what?
a male who is albino
a female who is albino
a male who carries albinism
a female who carries albinism
#15.
In the human body, muscle cells have an increased
need for energy during exercise. To help supply
this energy, the body will immediately increase —
a. Food intake to increase the substances
available for respiration
b. The need for waste products to
be retained
c. Activity in the nervous system to
stimulate intake of carbon dioxide
d. The breathing rate to supply more
oxygen to cells for the release of energy
#16.
In the diagram, which organism provides nutrients
for the largest number of other organisms?
a.
b.
c.
d.
Herring
Snapper
Bluefish
Seal
#17.
According to the diagram, which of
the following is the top predator?
a.
b.
c.
d.
Diatoms
Seal
Herring
Orca
#18.
Which phase of mitosis
would be seen next?
a.
b.
c.
d.
#19.
External sources, such as radiation or
chemicals, can cause mutations in genes or
entire chromosomes. For a mutation to pass
on to offspring, it must occur in a —
a.
b.
c.
d.
Sex cell
Brain cell
Muscle cell
Bone cell
#20.
What is the total magnification used to
view these onion cells through this
microscope setup?
a. 10 x
b. 20 x
c. 40 x
d. 400 x
10 X 40 = ?
#21.
Escherichia coli is the scientific name of
a bacterium. What category of
classification is Escherichia?
a.
b.
c.
d.
Genus
Species
Kingdom
Family
#22.
Algae and multicellular plants are
autotrophs because they —
a.
b.
c.
d.
Decompose dead organisms
Absorb nutrients from soil
Break down starches to glucose
Capture sunlight to produce sugars
#23.
Each drawing represents different stages in
community succession within the state of Virginia.
Which of the following drawings represents the
climax community in this succession pattern?
a.
b.
c.
d.
#24.
The organisms in a typical backyard are likely to
include bacteria, grass, shrubs, trees, insects,
spiders, birds, and small mammals. Together, all
these organisms make up a—
a.
b.
c.
d.
kingdom
population
biome
community
#25.
A biologist has just discovered a new life form. The newly
described organism is multicellular, does not
carry on photosynthesis, and absorbs nutrients from the
environment. It is composed of eukaryotic cells with cell
walls made of chitin. In which kingdom would the
•
kingdom
organism be classified?
•
•
•
population
biome
community
a.
b.
c.
d.
Fungi
Bacteria
Plant
Animal
#26.
Amino acids link together by peptide
bonds to form proteins. In which cellular
organelle would this process occur?
a.
b.
c.
d.
Lysosome
Ribosome
Endoplasmic reticulum
Golgi Body
#27.
Which of these is most responsible
for carrying coded information from
the nucleus?
a.
b.
c.
d.
DNA
Ribosomes
ATP
mRNA
#28.
The above information was collected in the field while
studying the effect of pH on the growth of the duckweed
plant. The data shows that duckweed
has optimum growth at a pH of —
a.
b.
c.
d.
4
6
8
12
#29.
Which of these will complete the mRNA
strand matched to DNA?
a.
b.
c.
d.
AUG
CAG
GUC
UAC
#30.
This key can be used to
distinguish four species of
frogs found in ponds in eastern
Virginia. To which species does
the frog shown belong?
a.
b.
c.
d.
Rana sphenocephala
Rana clamitans
Rana catesbeiana
Rana virgatipes
#31.
Which of these segments could be used to correctly
complete the DNA molecule in the diagram above?
a.
b.
c.
d.
F
G
H
J
#32.
This graph suggests that from 1840 to 1920,
the carrying capacity for sheep in Tasmania
was approximately —
a.
b.
c.
d.
0.75 million
1.00 million
1.75 million
2.25 million
#33.
A student was studying the
responses of cells to solutions
of varying salt concentrations.
Which solution below would
be considered the most
hypertonic?
a.
b.
c.
d.
F
H
G
J
#34.
The picture shows a segment of DNA
from a cat. Which of these is most likely
the kitten of this cat?
a.
b.
c.
d.
1
2
3
4
#35.
Which characteristic do
viruses possess in common
with living cells?
a. They contain nucleic acids such as DNA or RNA
b. They contain a nucleus and organelles.
c. They make their own food.
d. They are inactive outside the body of living cells.
THE END