Site MapHelpFeedbackChapter 12: The Eukaryotic Members of the Microbial World
Chapter 12: The Eukaryotic Members of the Microbial World
(See related pages)

1
Which of the following statements are true about algae? 1. They contain chlorophyll and are photosynthetic. 2. Some are single-celled, microscopic organisms, while others are large, multicellular organisms. 3. Like land plants, they possess an organized vascular system. 4. They possess simple reproductive structures. 5. The toxins produced by some species can cause illness and even death in humans.
A)1,2,3
B)1,2,4
C)1,2,4,5
D)2,3,4,5
E)1,2,3,4,5
2
All of the following criteria are used in the classification of algae EXCEPT:
A)principal photosynthetic pigment.
B)cell wall structure.
C)mechanism of motility.
D)mode of reproduction.
E)All the above are criteria used in the classification of algae.
3
The cell wall of most algae is composed of which of the following substances?
A)peptidoglycan.
B)cellulose.
C)chitin.
D)holdfast.
E)phospholipids.
4
All of the following algae produce toxins that can be harmful to humans EXCEPT:
A)Gymnodinium.
B)Gonyaulax.
C)Pfiesteria.
D)Volvox.
E)All the above produce toxins.
5
Which of the following statements is not true about protozoa?
A)They are microscopic.
B)They lack photosynthetic ability.
C)They reproduce primarily by asexual fission.
D)They can be unicellular or multicellular.
E)They are grouped primarily on their mode of locomotion.
6
Which of the following structures are used by protozoa for locomotion? 1. Pseudopodia 2. axial filaments 3. flagella 4. cilia 5. fimbria
A)1.
B)1,2,3.
C)1,3,4.
D)1,2,3,4.
E)1,2,3,4,5.
7
The protozoa responsible for causing the disease malaria is
A)Trypanosoma.
B)Plasmodium.
C)Trichomonas.
D)Entamoeba.
E)Toxoplasma.
8
Which of the following are ways that protozoa can reproduce? 1. longitudinal binary fission 2. binary fission 3. shizogony 4. transverse binary fission 5. sexual reproduction
A)1,2.
B)1,2,3.
C)1,2,3,4.
D)2,5.
E)1,2,3,4,5.
9
All of the following are true regarding fungi EXCEPT:
A)They obtain their nourishment from organic compounds, often dead plants and animals.
B)Most are aerobic or facultative anaerobes.
C)Many species cause disease in plants.
D)Fungi are not known to cause disease in humans.
E)All the above are true.
10
If someone tells you that she is a mycologist, what organisms does she study?
A)Mycobacterium.
B)Mycoplasma.
C)fungi.
D)algae.
E)protozoa.
11
Which of the following fungi are grouped together because they have no observable sexual reproduction?
A)Zygomycetes.
B)Basidiomycetes.
C)Ascomycetes.
D)Deuteromycetes.
E)Homomycetes.
12
The term used to describe the single-celled form of fungi is
A)yeast.
B)hyphae.
C)mycelia.
D)haustoria.
E)buds.
13
All of the following are true of fungi EXCEPT:
A)They can be found almost anywhere that there is organic material.
B)They prefer living in aquatic environments.
C)They have the ability to live in high sugar and salt concentrations, and acidic pH's that would kill most bacteria.
D)They are a major cause of food spoilage.
E)They can produce spores that can survive harsh conditions.
14
Aspergillus is a fungus that grows on grains and peanuts and can produce a toxin that causes liver cancer in humans. This toxin is called
A)mycotoxin.
B)aspertoxin.
C)ergot.
D)aflatoxin.
E)alpha-bungarotoxin.
15
Which of the following statements about lichens is incorrect?
A)They are part algae and part fungus.
B)The fungal part absorbs water and minerals.
C)The algal part supplies organic molecules through photosynthesis.
D)Lichens can grow in extreme conditions that neither the fungus nor the algae would be able to survive on their own.
E)All the above are true of lichens.
16
____________________ is/are a form of symbiosis in which the fungus associates with the root systems of vascular plants to greatly increase the absorptive area for the roots of the vascular plant.
A)Lichens.
B)Mycelia.
C)Hyphae.
D)Mycorrhizas.
E)Conidiophores.
17
Fungi are economically important in both positive and negative ways. Which of the following describe ways that fungi have an economic impact?
1. Some species of yeast are used in the production of beer, wine, and bread.
2. Some are used in making cheeses.
3. Some fungi produce antibiotics that can cure infections in humans.
4. Fungi are responsible for a significant amount of food spoilage.
5. Some forms of fungi are useful in genetic engineering.
A)1,2,3.
B)2,3,4.
C)1,2,3,4.
D)2,3,4,5.
E)1,2,3,4,5.
18
Which of the following pairings is incorrect?
A)nematode/roundworm.
B)cestode/tapeworm.
C)arthropod/helminth.
D)trematodes/flukes.
E)All the pairings are correct.
19
Which of the following diseases are transmitted to humans by mosquitoes? 1. Malaria 2. Lyme disease 3. equine encephalitis 4. yellow fever 5. plague
A)1,2,3.
B)1,3,4.
C)1,2,3,4.
D)2,3,4.
E)1,2,3,4,5.
20
Which of the following arthropods are responsible for transmitting the bacteria that cause Rocky Mountain Spotted fever and Lyme disease?
A)mosquitoes.
B)fleas.
C)lice.
D)ticks.
E)mites.
21
The spread of Malaria in Africa is probably best controlled by the following practice:
A)Killing off all large grazing animals.
B)Treating drinking water and sewage.
C)Washing all food.
D)Spraying insecticides in swampy areas and around homes.
E)Taking drugs that combat malaria.
22
A researcher discovers that a previously unidentified single-celled eukaryotic organism has flagella and a cell wall made of chitin. It most likely belongs to this group of organisms:
A)Protozoa
B)Algae
C)Helminth
D)Ciliophora
E)Fungi
23
An increase in cloud cover associated with global climate change would directly affect the following organisms: 1. Fungi 2. Protozoa 3. Algae 4. Lichens 5. Helminths
A)1, 2, 3
B)1, 2, 5
C)3, 4
D)3, 4, 5
E)5
24
Which disease causing protozoa would not be affected by medications that do not enter the cells of an infected patient?
A)Microsporidia
B)Apicomplexa
C)Ciliophora
D)Sarcodina
E)Mastigophora
25
Which of the following procedures would make an effective program for reducing tapeworm infestation?
A)Sewage treatment
B)Water filtration
C)Mosquito control
D)Vaccination
E)Food inspection





To learn more about the book this website supports, please visit its Information Center.
Copyright (c)2004 McGraw-Hill Education .
Any use is subject to the Terms of Use and Privacy Notice | Report Piracy


Nester: Microbiology 4eOnline Learning Center with Powerweb

Home > Chapter 12 > Quizzes