Multiple Choice Questions
1. Protists include
A. Yeasts and molds
B. Algae and protozoa
C. Helminths
D. All of the choices are correct
E. None of the choices are correct
2. The eukaryotic cell organelle that most resembles a bacterial cell is the
A. Nucleus
B. Golgi apparatus
C. Mitochondria
D. Lysosome
E. Ribosome
3. The endosymbiotic theory says that precursor eukaryotic cells acquired flagella by endosymbiosis with a
_____ ancestor and others gained photosynthetic ability from endosymbiosis with a _____ ancestor.
A. Protozoan, algae
B. Archaea, cyanobacteria
C. Spirochete, cyanobacteria
D. Helminth, algae
E. None of the choices are correct
4. The endosymbiotic theory has been developed to explain the emergence of
A. Archea
B. Bacteria
C. Prokaryotes
D. Eukaryotes
E. None of the choices are correct
5. Biologists have found evidence that eukaryotic cells evolved from prokaryotic organisms by a process of
intracellular
A. Symbiosis
B. Parasitisim
C. Communalism
D. None of the choices are correct
6. Which of the following is found in eukaryotic cells but not in prokaryotic cells?
A. Nucleus
B. Mitochondria
C. Endoplasmic reticulum
D. Lysosomes
E. All of the choices are correct
7. Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella
A. Are used for cell motility
B. Facilitate chemo taxis
C. Facilitate photo taxis
D. Are long whip-like structures
E. Contain microtubules
,8. Cilia are found in certain
A. Protozoa
B. Algae
C. Fungi
D. Bacteria
E. All of the choices are correct
9. There are nine peripheral pairs and one central pair of _____ found inside eukaryotic flagella and
cilia.
A. Filaments
B. Microtubules
C. Flagella
D. Cilia
E. None of the choices are correct
10. Cell walls are not found on typical cells of
A. Protozoa
B. Algae
C. Fungi
D. Bacteria
E. All of the choices are correct
11. The eukaryotic cell's glycocalyx is
A. Mostly polysaccharide
B. The site where many metabolic reactions occur
C. Also called the cell wall
D. Composed of many diverse proteins
E. Protection against osmotic lysis
12. Which of the following is not a function of the eukaryote glycocalyx?
A. Protection
B. Adherence
C. Movement
D. Reception of chemical signals
E. All of the choices are functions
13. Chitin is a chemical component of the cell walls of
A. Protozoa
B. Algae
C. Fungi
D. Bacteria
E. All of the choices are correct
14. The eukaryote cell membrane is composed of
A. Sterols
B. Proteins
C. Phospholipids
D. All of these
E. Only sterols and phospholipids
15. The site for ribosomal RNA synthesis is the
A. Ribosome
B. Nucleolus
C. Nucleus
D. Golgi apparatus
E. Lysosome
, 16. When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible
thread-like mass called the
A. Nuclear envelope
B. Nucleosome
C. Nucleolus
D. Nucleoplasm
E. Chromatin
17. Histones are
A. Found in polyribosomes
B. Enzymes found in lysosomes
C. Proteins of the cytoskeleton
D. Proteins associated with DNA in the nucleus
E. On the surface of rough endoplasmic reticulum
18. The passageways in the nuclear envelope for movement of substances to and from the nucleus and
cytoplasm are called nuclear
A. His tones
B. Chromatin
C. Pores
D. Endoplasmic reticulum
E. Inclusions
19. The cell's series of tunnel-like membranes functioning in transport and storage are the
A. Mitochondria
B. Iysosomes
C. Golgi apparatus
D. Chloroplasts
E. Endoplasmic reticulum
20. An organelle that is a stack of flattened, membranous sacs and functions to receive, modify and package
proteins for cell secretion is the
A. Mitochondria
B. Lysosomes
C. Golgi apparatus
D. Chloroplasts
E. Endoplasmic reticulum
21. Protists with contractile vacuoles
A. Are algae
B. Use them to expel excess water from the cell
C. Typically live in salty seawater
D. Use them for motility
E. All of the choices are correct
22. A _____ originates from the golgi apparatus as one type of vesicle that contains a variety of enzymes for
intracellular digestion.
A. Perixosome
B. Lysosome
C. Magneto some
D. Inclusion
E. Ribosome