Question 1

Haustoria

Accepted Answer

A)  are a form of parasitic protozoan. 
B)  refers to the reproductive structure formed by slime molds. 
C)  are specialized hyphae used by parasitic fungi. 
D)  are the reproductive form of protozoans. 
A)  are a form of parasitic protozoan. 
B)  refers to the reproductive structure formed by slime molds. 
C)  are specialized hyphae used by parasitic fungi. 
D)  are the reproductive form of protozoans. C

Question 2

Dimorphic fungi

Accepted Answer

A)  may grow as mycelia or yeast. 
B)  are often associated with disease in humans. 
C)  are mushrooms. 
D)  are strictly hyphae. 
E)  may grow as mycelia or yeast AND are often associated with disease in humans. 
A)  may grow as mycelia or yeast. 
B)  are often associated with disease in humans. 
C)  are mushrooms. 
D)  are strictly hyphae. 
E)  may grow as mycelia or yeast AND are often associated with disease in humans. E

Question 3

Mycorrhizae

Accepted Answer

A)  are vital for the survival of lichens. 
B)  are vital for the survival of many plants. 
C)  increase the absorptive ability of roots. 
D)  are used in the production of wine, beer and bread. 
E)  are vital for the survival of many plants AND increase the absorptive ability of roots. 
A)  are vital for the survival of lichens. 
B)  are vital for the survival of many plants. 
C)  increase the absorptive ability of roots. 
D)  are used in the production of wine, beer and bread. 
E)  are vital for the survival of many plants AND increase the absorptive ability of roots. E

Question 4

Fleas

Accepted Answer

A)  if ingested, may transmit a tapeworm to children. 
B)  may transmit Yersinia pestis. 
C)  may transmit Lyme disease. 
D)  may transmit a toxin. 
E)  if ingested, may transmit a tapeworm to children AND may transmit Yersinia pestis. 
A)  if ingested, may transmit a tapeworm to children. 
B)  may transmit Yersinia pestis. 
C)  may transmit Lyme disease. 
D)  may transmit a toxin. 
E)  if ingested, may transmit a tapeworm to children AND may transmit Yersinia pestis.

Question 5

Lice and mites

Accepted Answer

A)  are both arachnids. 
B)  may both be spread by personal contact. 
C)  are intestinal parasites. 
D)  cause Lyme disease. 
A)  are both arachnids. 
B)  may both be spread by personal contact. 
C)  are intestinal parasites. 
D)  cause Lyme disease.

Question 6

Protozoans are usually multicellular and found in arid environments.

Accepted Answer

A) True 
 B)False

Question 7

Recently diatoms have been found to be associated with paralytic shellfish poisoning.

Accepted Answer

A) True 
 B)False

Question 8

Algae

Accepted Answer

A)  often grow in areas where other forms of life may have difficulty. 
B)  are strictly macroscopic organisms. 
C)  have a vascular system similar to plants. 
D)  are only found in the soil. 
A)  often grow in areas where other forms of life may have difficulty. 
B)  are strictly macroscopic organisms. 
C)  have a vascular system similar to plants. 
D)  are only found in the soil.

Question 9

A tangle of fungal hyphae is generally known as a

Accepted Answer

A)  bud. 
B)  mycelium. 
C)  germ tube. 
D)  spore. 
A)  bud. 
B)  mycelium. 
C)  germ tube. 
D)  spore.

Question 10

Tapeworms

Accepted Answer

A)  have a complicated digestive system. 
B)  do not have a digestive system. 
C)  may be transmitted by eating undercooked meat. 
D)  have a larval stage known as a cercaria. 
E)  do not have a digestive system AND may be transmitted by eating undercooked meat. 
A)  have a complicated digestive system. 
B)  do not have a digestive system. 
C)  may be transmitted by eating undercooked meat. 
D)  have a larval stage known as a cercaria. 
E)  do not have a digestive system AND may be transmitted by eating undercooked meat.

Question 11

In the late 19th century, immigration from Ireland to the U.S. occurred in high numbers due to an infection of potatoes by

Accepted Answer

A)  bacteria. 
B)  viruses. 
C)  fungi. 
D)  amoeboid protozoa. 
A)  bacteria. 
B)  viruses. 
C)  fungi. 
D)  amoeboid protozoa.

Question 12

Lichens may be an association of

Accepted Answer

A)  several different fungi. 
B)  protozoa and bacteria. 
C)  algae and fungus. 
D)  virus and algae. 
A)  several different fungi. 
B)  protozoa and bacteria. 
C)  algae and fungus. 
D)  virus and algae.

Question 13

Most fungi are

Accepted Answer

A)  aerobic or facultatively anaerobic. 
B)  obligate anaerobes. 
C)  obligate aerobes. 
D)  microaerophiles. 
A)  aerobic or facultatively anaerobic. 
B)  obligate anaerobes. 
C)  obligate aerobes. 
D)  microaerophiles.

Question 14

Diatoms are algae whose silicon dioxide-containing shells are useful economically as

Accepted Answer

A)  filters. 
B)  fertilizers. 
C)  stabilizers. 
D)  thickeners. 
A)  filters. 
B)  fertilizers. 
C)  stabilizers. 
D)  thickeners.

Question 15

Fungi are often capable of locomotion through the use of flagella.

Accepted Answer

A) True 
 B)False

Question 16

Convergent evolution

Accepted Answer

A)  explains the morphological similarity yet major genetic differences found between slime molds and fungi. 
B)  refers to two different organisms that develop similar characteristics in adaptation to similar environments. 
C)  explains the structure of lichens. 
D)  refers to the one organism dividing into two. 
E)  explains the morphological similarity yet major genetic differences found between slime molds and fungi AND refers to two different organisms that develop similar characteristics in adaptation to similar environments. 
A)  explains the morphological similarity yet major genetic differences found between slime molds and fungi. 
B)  refers to two different organisms that develop similar characteristics in adaptation to similar environments. 
C)  explains the structure of lichens. 
D)  refers to the one organism dividing into two. 
E)  explains the morphological similarity yet major genetic differences found between slime molds and fungi AND refers to two different organisms that develop similar characteristics in adaptation to similar environments.

Question 17

Gonyaulax

Accepted Answer

A)  produces brevetoxin. 
B)  produces a non-protein neurotoxin. 
C)  infects the nervous system of humans. 
D)  is a dinoflagellate. 
E)  produces a non-protein neurotoxin AND is a dinoflagellate. 
A)  produces brevetoxin. 
B)  produces a non-protein neurotoxin. 
C)  infects the nervous system of humans. 
D)  is a dinoflagellate. 
E)  produces a non-protein neurotoxin AND is a dinoflagellate.

Question 18

Fungi that are important for fermentation of fruits

Accepted Answer

A)  are yeasts. 
B)  are facultative anaerobes. 
C)  grow well at acid pH. 
D)  secrete enzymes that degrade organic molecules. 
E)  All of the choices are correct. 
A)  are yeasts. 
B)  are facultative anaerobes. 
C)  grow well at acid pH. 
D)  secrete enzymes that degrade organic molecules. 
E)  All of the choices are correct.

Question 19

Most of the medically important multicellular parasites are arthropods or helminths.

Accepted Answer

A) True 
 B)False

Question 20

Protozoans are an important part of the food chain ingesting large numbers of

Accepted Answer

A)  fish. 
B)  bacteria and algae. 
C)  shellfish. 
D)  other protozoans. 
A)  fish. 
B)  bacteria and algae. 
C)  shellfish. 
D)  other protozoans.

Exam 12: The Eukaryotic Members of the Microbial World

Haustoria

Dimorphic fungi

Mycorrhizae

Fleas

Lice and mites

Protozoans are usually multicellular and found in arid environments.

Recently diatoms have been found to be associated with paralytic shellfish poisoning.

Algae

A tangle of fungal hyphae is generally known as a

Tapeworms

In the late 19th century, immigration from Ireland to the U.S. occurred in high numbers due to an infection of potatoes by

Lichens may be an association of

Most fungi are

Diatoms are algae whose silicon dioxide-containing shells are useful economically as

Fungi are often capable of locomotion through the use of flagella.

Convergent evolution

Gonyaulax

Fungi that are important for fermentation of fruits

Most of the medically important multicellular parasites are arthropods or helminths.

Protozoans are an important part of the food chain ingesting large numbers of

Humans and the Microbial World

The Molecules of Life

Microscopy and Cell Structure

Dynamics of Prokaryotic Growth

Control of Microbial Growth

Metabolism: Fueling Cell Growth

The Blueprint of Life, From Dna to Protein

Bacterial Genetics

Biotechnology and Recombinant Dna

Identification and Classification of Prokaryotes

The Diversity of Prokaryotic Organisms

Viruses, Viroids and Prions

The Innate Immune Response

The Adaptive Immune Response

Host-Microbe Interactions

Immunologic Disorders

Applications of Immune Responses

Epidemiology

Antimicrobial Medications

Respiratory System Infections

Skin Infections

Wound Infections

Digestive System Infections

Genitourinary Infections

Nervous System Infections

Blood and Lymphatic Infections

Hiv Disease and Complications of Immunodeficiency

Microbial Ecology

Environmental Microbiology: Treatment of Water, Wastes, and Polluted Habitats

Food Microbiology

Filters

In the late 19^th century, immigration from Ireland to the U.S. occurred in high numbers due to an infection of potatoes by