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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
1. Which of the following is an organelle found in the cytoplasm?
A. nucleolus
B. ribosome
C. chromatin
D. cell wall
2. The diagram below represents a cell in water. Formulas of molecules that can move freely
across the cell membrane are shown. Some molecules are located inside the cell and others are
in the water outside the cell.
Based on the distribution of these molecules, what would most likely happen after a period of
time?
A. The concentration of O2 will increase inside the cell.
B. The concentration of O2 will remain the same outside the cell.
C. The concentration of CO2 will remain the same inside the cell.
D. The concentration of CO2 will decrease outside the cell.
3. Which organelle makes proteins using coded instructions that come from the nucleus?
A. Golgi apparatus B. mitochondrion C. vacuole
D. ribosome
4. The end result of digesting a protein is
A. energy.
B. excretion.
C. amino acids.
5. Which of the following molecules is inorganic?
A. glucose
B. water
C. starch
D. simple sugars.
D. protein
6. Which of these is a product of cellular respiration?
A. oxygen
C. glucose
B. water
D. all of the above
7. Which of the following is a function of the cell membrane?
A. breaks down lipids, carbohydrates, and proteins from foods
B. stores water, salt, proteins, and carbohydrates
C. keeps the cell wall in place
D. regulates which materials enter and leave the cell
8. Which of the following equations represents the process of cellular respiration?
A.
oxygen ---> carbon dioxide
B.
glucose + oxygen ---> carbon dioxide + water
C.
carbon dioxide + water ---> glucose + oxygen
D.
glucose + water ---> oxygen + carbon dioxide
9. Which organelle would you expect to find in plant cells but not animal cells?
A. mitochondrion
B. ribosome
C. chloroplast
D. smooth endoplasmic reticulum
10. Diffusion is the movement of molecules from
A. an area of low concentration to an area of high concentration.
B. an area of high concentration to an area of low concentration.
C. an area of equilibrium to an area of high concentration.
D. all of the above
11. Which structure contains the other?
A. nucleus; cytoplasm
B. nucleus; genetic material
C. cell membrane; cell wall
D. prokaryote; organelles
Use this diagram to answer question #12:
Figure 7-1
12. The structure labeled I in Figure 7-1 is a thin, flexible barrier around a cell. It is called the
A. cell membrane. B. cell wall.
C. cell envelope. D. cytoplasm.
13. The products of photosynthesis are the
A. products of cellular respiration.
B. reactants of cellular respiration.
C. products of glycolysis.
D. reactants of fermentation.
14. Which of the following is NOT a principle of the cell theory?
A. Cells are the basic units of life.
B. All living things are made of cells.
C. Very few cells reproduce.
D. All cells are produced by existing cells.
15. Which of the following is a function of the nucleus?
A. stores DNA
B. controls most of the cell’s processes
C. contains the information needed to make proteins
D. all of the above
16. The main function of the cell wall is to
A. support and protect the cell.
C. direct the activities of the cell.
B. store DNA.
D. help the cell move.
17. Amino acid is to protein as
A. fat is to lipid.
B. DNA is to RNA.
C. sugar is to fat.
D. simple sugar is to starch.
18. Which cell structure contains the cell’s genetic material and controls the cell’s activities?
A. organelle
B. nucleus
C. cell envelope D. cytoplasm
19. An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
A. water to move into the cell.
C. solutes to move into the cell.
B. water to move out of the cell.
D. solutes to move out of the cell.
20. You won’t find a cell wall in which of these kinds of organisms?
A. plants
C. fungi
B. animals
D. none of the above
21. Which of the following statements is NOT a part of the Cell Theory?
A. All living things are made of cells.
B. All cells have a nucleus.
C. Cells carry out the basic processes of life for a living thing.
D. All cells come from other cells.
22. Prokaryotes lack
A. cytoplasm.
B. a cell membrane.
C. a nucleus.
D. genetic material.
23. The cell theory applies to
A. bacteria.
B. plants and animals.
C. multicellular organisms.
D. all of the above
24. Which means of particle transport requires input of energy from the cell?
A. diffusion
C. facilitated diffusion
B. osmosis
D. active transport
25. Which of the following organisms are prokaryotes?
A. plants
B. animals
C. bacteria
D. all of the above
26. A group of cells that perform similar functions is called a(an)
A. organ.
C. tissue.
B. organ system.
D. division of labor.
27. Which organelles help provide cells with energy?
A. mitochondria and chloroplasts
C. smooth endoplasmic reticulum
B. rough endoplasmic reticulum
D. Golgi apparatus and ribosomes
28. Unlike photosynthesis, cellular respiration occurs in
A. animal cells only.
C. all but plant cells.
B. plant cells only.
D. all eukaryotic cells.
29. Which of the following is an example of an organ?
A. heart
C. digestive system
B. epithelial tissue
D. nerve cell
30. Photosynthesis is to chloroplasts as cellular respiration is to
A. chloroplasts.
B. cytoplasm.
C. mitochondria.
D. nuclei.