EOC Review Questions

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EOC Review Questions
Old curriculum sample items
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Goal One Questions
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Question 1
The brown paper test for lipids is positive when
food is placed on the paper and a spot forms
which will allow light through it. Which food
would give the strongest positive test for lipids?

1. potato chips
2. bread
3. sugar
4. carrots

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Question 2
What is the function of a cells selectively
permeable membrane?

1. to regulate energy production in the cell
2. to keep mitochondria from using nuclear
   material
3. to maintain a constant lipid-protein ratio in
   the cell
4. to control materials entering and leaving the
   cell

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Question 3
While observing an Elodea plant cell through a
microscope, a student noticed some small, moving
green disks. These organelles were most likely
which of the following?

1. chloroplasts
2. leucoplasts
3. mitochondria
4. ribosomes

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Question 4
At which organelle are proteins manufactured?

1. mitochondrion
2. nucleus
3. ribosome
4. vacuole

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Question 5
A student examines a cell under a microscope and
determines that it is a eukaryote. What
structure did the student identify in order to
come to this conclusion?

1. vacuole
2. nucleus
3. cell wall
4. ribosome

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Question 6
The major difference between prokaryotic and
eukaryotic cells is the presence or absence of
which of the following?

1. membrane-bound organelles
2. cytoplasm
3. a cell membrane
4. nucleic acids

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Question 7
Which of the following is found only in
eukaryotic cells?

1. cell membrane
2. cytoplasm
3. DNA
4. mitochondria

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Question 8
A plant has been removed from is natural
environment and placed into a body of water that
contains more salt than the inside of each plant
cell. This situation is most similar to which of
the following events?

1. a sea plant put into fresh water
2. a freshwater plant put into sea water
3. a sea plant put into distilled water
4. a land plant put into tap water

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Question 9
A cell with 5 solute concentration is placed
into a beaker with a 1 solute concentration.
What will happen to the cell over time?

1. The cell will gain water and expand.
2. The cell will lose water and shrink.
3. The cell will both gain and lose equal amounts
   of water thus it will remain the same size
4. The cell will undergo no exchange of water with
   its surroundings.

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Question 10
While cleaning a saltwater aquarium, students
placed the aquarium plants in a container of
distilled water. What effect will this have on
the plants?

1. The plant cells will separate.
2. The plant cells will shrink.
3. The plant cells will swell.
4. The plant cells will remain the same.

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Question 11
What would happen to a marine protozoan if
removed from its normal habitat and placed into a
freshwater pool?

1. loss of water through osmosis
2. loss of water through active transport
3. gain of water through osmosis
4. gain of water through active transport

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Question 12
What regulates the flow of water through a cell
membrane?

1. the concentration of solutes
2. the absence of a cell wall
3. the thickness of the membrane
4. the presence of the cell wall

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Question 13
Which of the following statements concerning
diffusion and active transport is correct?

1. Both diffusion and active transport require
   cell energy.
2. Neither diffusion nor active transport requires
   cell energy.
3. Diffusion requires cell energy while active
   transport does not.
4. Active transport requires cell energy while
   diffusion does not.

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Question 14
In the lungs, the movement of carbon dioxide out
of cells and oxygen into cells can best be
explained by which of the following processes?

1. active transport
2. diffusion
3. endocytosis
4. osmosis

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Question 15
Why do most enzymes not function properly after
being exposed to high temperatures?

1. They have been converted to tripeptides.
2. Their water content has been reduced.
3. Their bonding structure has been changed.
4. They have combined with another enzyme.

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Question 16
Cellular respiration is carried out by which of
the following?

1. all living organisms all of the time
2. animals but not plants
3. animals all of the time but plants only at
   night
4. heterotrophs but not autotrophs

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Question 17
OMIT

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Question 18
Which of the following processes releases the
most ATP per molecule of glucose for immediate
cell use?

1. aerobic respiration
2. anaerobic respiration
3. chemosynthesis
4. photosynthesis

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Goal Two Questions
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Question 1
During DNA replication, which of the following
segments would be complementary to the original
DNA segment of CCTAAT?

1. CGATTA
2. GGUTTU
3. GGATTA
4. GGAUUA

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Question 2
Which of the strands below is the complement to
the segment GCATCCGA of a DNA molecule?

1. CCTAGGCT
2. CGATCCGA
3. CGUAGGCU
4. CGTAGGCT

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Question 3
What type of RNA is responsible for bringing
amino acids to the ribosome for protein synthesis?

1. messenger RNA
2. transfer RNA
3. ribosomal RNA
4. mitochondrial RNA

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Question 4
Omit

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Question 5
The messenger RNA will carry the DNAs
instructions out of the nucleus to which of the
following?

1. vacuole
2. mitochondria
3. chloroplast
4. ribosome

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Question 6
To determine the molecular sequence of a gene for
a protein, which molecule should be analyzed?

1. tRNA
2. ATP
3. DNA
4. rRNA

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Question 7
If a portion of a DNA strand has the base
sequence TACGCA, what will be the base sequence
of the mRNA strand transcribed?

1. TACGCA
2. UACGCA
3. AUGCGU
4. ATGCGT

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Question 8
Transcription of the DNA sequence
below AAGCTGGGA would most likely result in
which of the following?

1. a sequence of three amino acids, linked by
   peptide bonds
2. a DNA strand with the base sequence TTCGACCCT
3. a mRNA strand with the sequence TTCGACCCT
4. a mRNA strand with the sequence UUCGACCCU

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Question 9
What is the purpose of transfer RNA?

1. It unzips the double helix so transcription can
   begin.
2. It retrieves amino acids from the cytoplasm for
   protein construction.
3. It carries genetic information to the
   ribosomes.
4. It produces a complementary copy of a strand of
   DNA.

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Question 10
Which statement is true regarding asexual
reproduction as a method of producing offspring?

1. common among mammals
2. not a method used by plants
3. produces offspring that are genetically
   identical
4. limited to unicellular organisms