Multiple Choice Review- Eukaryotes 1. Why is a bacteria classified as a prokaryote?
a. It has flagella. b. It is single celled.
c. It does not contain DNA.
d. It has no membrane-bound nucleus.
2. Which of the following is found in a prokaryotic cell? a. Chloroplast
b. Ribosome
c. Nuclear Envelope d. Mitochondria
3. Where is the DNA of a prokaryote found? a. Nucleus
b. Nucleoid Region c. Nucleolus d. Nuclear Pore
4. Which of the following is not a eukaryote? a. Protists
b. Bacteria c. Fungi d. Plants
5. Despite differences in size and shape, all cells have a cell membrane and a. Nucleus
b. Mitochondria c. Cell Wall d. Cytoplasm
6. Which of the following characteristics distinguishes prokaryotic organisms from eukaryotic organisms?
a. Prokaryotes are unicellular, while all eukaryotes are multicellular. b. Prokaryotes are structurally less complex than eukaryotes are. c. Prokaryotes require a host to replicate, while eukaryotes do not. d. Prokaryotes lack a cell membrane, while eukaryotes do not. 7. Prokaryotic and eukaryotic cells generally have which of the following
features in common?
a. A membrane-bound nucleus b. A cell wall made of cellulose c. Ribosomes
8. Which of the following is not an advantage of compartmentalization? a. It allows incompatible chemical reactions to be separated. b. It increases the efficiency of chemical reactions.
c. It decreases the speed of reactions since reactants have to travel further.
d. Substrates required for particular reactions can be localized and maintained at high concentrations within organelles.
9. Eukaryotic DNA is found in the a. Endoplasmic Reticulum b. Nucleus
c. Cytoplasm d. Golgi Apparatus
10. Threadlike structures that contain genetic information are called a. Nuclear pores
b. Chromosomes c. Ribosomes
d. Endoplasmic Reticulum 11. Ribosomes are composed of
a. DNA and proteins. b. RNA and proteins. c. DNA and lipids. d. RNA and lipids. 12. Ribosomes are made in the
a. Golgi Apparatus b. Mitochondria c. Nucleolus
d. Endoplasmic Reticulum 13. The function of ribosomes is to
a. Transport materials within the cell b. Synthesize proteins
c. Synthesize lipids
d. Transform energy from one form to another
14. Which of the following is not part of the endomembrane system? a. Plasma Membrane
b. Nuclear Envelope c. Mitochondria
15. Which cell structures are sometimes found attached to the endoplasmic reticulum? a. Vacuoles b. Chloroplasts c. Chromosomes d. Ribosomes
16. Which of the following organelles modifies and packages the materials produced by the ribosomes for secretion?
a. The chloroplast b. The Golgi apparatus c. The nucleolus d. The mitochondrion
17. A protein is synthesized in the cytoplasm and transported to the plasma membrane. Which of the following summarizes the protein’s pathway in the cell?
a. Smooth endoplasmic reticulum Golgi apparatus vesicle plasma membrane
b. Nucleus vesicle rough endoplasmic reticulum plasma membrane
c. Smooth endoplasmic reticulum nucleus vesicle plasma membrane
d. Rough endoplasmic reticulum Golgi apparatus vesicle plasma membrane
18. Which organelle contains hydrolytic enzymes that break down other substances?
a. Lysosomes b. Vacuoles
c. Endoplasmic Reticulum d. Golgi Apparatus
19. Which type of vacuole is found only in plant cells? a. Central Vacuole
b. Contractile Vacuole c. Food Vacuole d. All of the Above
20. Which of the following can be found in both plant and animal cells? a. Chloroplast
b. Cell Wall made of cellulose c. Plasmodesmata
21. Most of a cell’s ATP is produced by a. The nucleus
b. The Endoplasmic Reticulum c. The chloroplast
d. The mitochondria
22. Which organelle converts the chemical energy from sunlight into a form that plant cells can use?
a. Chloroplast b. Central Vacuole c. Chromosome d. Mitochondria
23. Which of the following is true of both mitochondria and chloroplasts? a. They include stacks of membranes that absorb light.
b. They include compartments where hydrogen ions are concentrated. c. They produce sugars using energy harvested in the cytoplasm. d. They break down sugar to produce ATP.
24. In cell membranes, the fatty acids of the phospholipids a. Face the outside of the cell
b. Face the cytoplasm
c. Are on both sides of the membrane d. Are on the inside of the membrane
25. All of the following are typical components of the plasma membrane of a eukaryotic cell except
a. Glycoproteins b. Cytochromes c. Phospholipids d. Integral proteins
26. Placing wilted lettuce in cold water will make it crisp again. Which statement describes what happens to restore the lettuce to its original condition?
a. Water left the lettuce cells by diffusion b. Osmosis caused salts to enter the lettuce cells c. Salts in the leaf caused water to leave the cells d. Water entered the cells of the lettuce by osmosis
27. This process always involves the movement of materials from inside the cell to outside the cell.
a. Diffusion b. Phagocytosis c. Exocytosis d. Endocytosis
28. Which of the following best supports the statement that mitochondria are descendants of endosymbiotic bacteria-like cells?
a. Mitochondria and bacteria possess similar ribosomes and DNA. b. Mitochondria and bacteria possess similar nuclei.
c. Glycolysis occurs in both mitochondria and bacteria. d. Both mitochondria and bacteria have microtubules. 29. Membranes are components of all of the following except a
a. Microtubule b. Nucleus c. Mitochondria d. Lysosome
30. In examining a picture of a cell taken with an electron microscope, a student observes that the cell has a nucleus and a cell membrane, but not a cell wall. The student can correctly conclude that the cell probably comes from
a. A sea-weed b. A plant c. A bacteria d. An animal
31. In what type of cell would you find a chloroplast? a. Plant
b. Animal c. Prokaryote d. Bacteria
32. In which of the following pairs are the terms not related? a. Chloroplats - chlorophyll
b. Cell wall - cellulose c. Nucleus - DNA
d. Cell Membrane - Ribosomes
33. Which of the following is not a known function of the cytoskeleton? a. To provide mechanical support to the cell.
b. To maintain the shape of the cell.
c. To maintain a critical size limit on the cell.
d. To hold organelles in place within the cytoplasm.
34. Which of the following processes does not move materials from the inside of the cell to the outside?
a. Pinocytosis b. Phagocytosis
c. Receptor-mediated endocytosis d. Exocytosis
35. Which of the following processes moves large solid particles from outside the cell to inside the cell?
a. Pinocytosis b. Phagocytosis c. Diffusion d. Exocytosis
36. After a vesicle empties its contents outside the cell, the vesicle becomes part of the
a. Cytoplasm
b. Endoplasmic Reticulum c. Mitochondria
d. Plasma Membrane
37. Passive transport moves molecules
a. Down their concentration gradient without the use of energy. b. Down their concentration gradient with the use of energy. c. Against their concentration gradient without the use of energy. d. Against their concentration gradient with the use of energy. 38. Which type of junction is not found in animal cells?
a. Gap Junctions b. Tight Junctions c. Adhering Junctions d. Plasmodesmata
39. What two organelles best help explain endosymbiotic theory? a. Nucleus and Mitochondria
b. Chloroplast and Mitochondria c. Chloroplast and Cell Membrane d. Nucleus and Cell Membrane
40. Which of the following does not provide evidence from symbiosis? a. Mitochondria can form spontaneously.
b. Mitochondrial DNA resembles that of bacteria.
c. Chloroplast genomes are circular like that of bacteria.
d. The protein making machinery made in mitochondria is more similar to that of bacteria than that of eukaryotes.
Answers 1. d 2. b 3. b 4. b 5. d 6. b 7. c 8. c 9. b 10. b 11. b 12. c 13. b 14. c 15. d 16. b 17. d 18. a 19. a 20. d 21. d 22. a 23. b 24. d 25. b 26. d 27. d 28. a 29. a 30. d 31. a 32. d 33. c 34. d 35. b 36. d 37. a 38. d 39. b 40. a
