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Topic 2: Cells
1. The diagram below represents levels of
organization in living things.
5. Which is the correct sequence of historical
developments leading to our present knowledge
of cells?
(1) electron microscope
cell theory
compound light microscope
(2) compound light microscope
cell theory
electron microscope
(3) cell theory
electron microscope
compound light microscope
(4) electron microscope
compound light
microscope
cell theory
6. Which cellular organelle is represented by the
diagram below?
Which term would best represent X?
(1) human
(2) tissue
(3) stomach
(4) chloroplast
2. Which statement is not a part of the cell theory?
(1) Cells are the basic unit of structure of
living things.
(2) Cells are the basic unit of function of
living things.
(1) cell wall
(3) Cell parts such as chloroplasts are
(2) molecules
self-replicating.
(4) Cells come from preexisting cells.
3. Which organism is considered an exception to
the cell theory because it has a noncellular
structure?
(1) alga
(2) bacterium
(3) virus
(4) moss
(3) plasma membrane
(4) protein
7. Which structures in the diagram below enable
the observer to identify it as a plant cell?
4. The nucleus is to the cell as
(1) the bones are to a human
(2) the heart is to human
(3) the muscles are to a human
(1) A and B
(2) B and C
(4) the brain is to a human
(3) A and C
(4) B and D
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Topic 2: Cells
8. Which cell structures are correctly paired with
their functions?
13. The diagram below represents a cell.
(1) The mitochondria produce enzymes, and
ribosomes transport them.
(2) The ribosomes make proteins, and the
nucleus stores genetic information.
(3) The cell membrane make enzymes, and
cytoplasm transports them.
(4) The vacuole stores genetic information,
and chloroplasts make proteins.
9. In a multicellular organism, organs carry out a
variety of life functions. In a single-celled
organism, these functions are performed by
(1) tissues
(2) organelles
(3) organ systems
(4) organs
10. Which two cell structures work together in the
process of protein synthesis?
(1) nucleus and chloroplast
(2) ribosome and vacuole
(3) nucleus and ribosome
(4) mitochondrion and cell membrane
11. Within which structure of an animal cell does
DNA replication take place?
(1) vacuole
(2) cell membrane
(3) nucleus
(4) ribosome
12. The swordfish contains a heat generating
organ that warms its brain and eyes up to
14°C above the surrounding ocean water
temperature. Which structures are most likely
to be found at relatively high concentrations
within the cells of this heat generating organ?
(1) nuclei
(2) chloroplasts
(3) chromosomes
(4) mitochondria
Which statement concerning ATP and activity
within the cell is correct?
(1) The absorption of ATP occurs at
structure A.
(2) The synthesis of ATP occurs within
structure B.
(3) ATP is produced most efficiently by
structure C.
(4) The template for ATP is found in
structure D.
14. Hereditary information is stored inside the
(1) ribosomes, which have chromosomes
that contain many genes
(2) ribosomes, which have genes that
contain many chromosomes
(3) nucleus, which has chromosomes that
contain many genes
(4) nucleus, which has genes that contain
many chromosomes
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Topic 2: Cells
15. The diagram below represents two
single-celled organisms.
17. Which statement best describes the diagram?
(1) Nerve cell X is releasing receptor
molecules.
(2) Nerve cell Y is signaling nerve cell X.
(3) Nerve cell X is attaching to nerve cell Y.
(4) Nerve cell Y contains receptor molecules
for substance A.
18. A drug is developed that, due to its molecular
shape, blocks the action of substance A.
Which shape would the drug molecule most
likely resemble?
These organisms carry out the activities
needed to maintain homeostasis by using
specialized internal
(1) tissues
(2) organelles
(3) systems
(4) organs
(1)
(2)
(3)
(4)
Base your answers to questions 19 and 20 on the
diagrams below which represent two different cells.
Base your answers to questions 16 through 18 on
the diagram below and on your knowledge of
biology.
19. In both cells, the organelles labeled E are the
sites of
16. The process represented in the diagram best
illustrates
(1) secretion
(2) starch synthesis
(1) cellular communication
(3) aerobic respiration
(2) muscle contraction
(4) food storage
(3) extraction of energy from nutrients
(4) waste disposal
20. Cell II most likely represents a plant cell due
to the presence of
(1) A
(2) B
(3) E
(4) F
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Answer Key
LE BE-Topic 2
1.
2
2.
3
3.
3
4.
4
5.
2
6.
3
7.
2
8.
2
9.
2
10.
3
11.
3
12.
4
13.
3
14.
3
15.
2
16.
1
17.
4
18.
2
19.
3
20.
4
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