Question 1

Giardia and Trichomonas are unusual eukaryotes because they

Accepted Answer

A)  lack nuclei. 
B)  do produce cysts. 
C)  lack mitochondria. 
D)  do not produce cysts. 
E)  are motile. 
A)  lack nuclei. 
B)  do produce cysts. 
C)  lack mitochondria. 
D)  do not produce cysts. 
E)  are motile.

Question 2

Which of the following groups of algae does NOT produce compounds that are toxic to humans?

Accepted Answer

A)  red algae 
B)  dinoflagellates 
C)  green algae 
D)  diatoms 
E)  None of the answers is correct; all of these groups of algae produce compounds toxic to humans. 
A)  red algae 
B)  dinoflagellates 
C)  green algae 
D)  diatoms 
E)  None of the answers is correct; all of these groups of algae produce compounds toxic to humans.

Question 3

Which of the following pairs is mismatched?

Accepted Answer

A)  mosquito - encephalitis 
B)  tick - Rocky Mountain spotted fever 
C)  tick - Lyme disease 
D)  mosquito - Pneumocystis 
E)  mosquito - malaria 
A)  mosquito - encephalitis 
B)  tick - Rocky Mountain spotted fever 
C)  tick - Lyme disease 
D)  mosquito - Pneumocystis 
E)  mosquito - malaria

Question 4

All of the following are characteristic of algae EXCEPT

Accepted Answer

A)  they may be unicellular or multicellular. 
B)  most are photoautotrophs. 
C)  they mostly live in aquatic habitats. 
D)  they are classified as plants. 
E)  some produce harmful toxins. 
A)  they may be unicellular or multicellular. 
B)  most are photoautotrophs. 
C)  they mostly live in aquatic habitats. 
D)  they are classified as plants. 
E)  some produce harmful toxins.

Question 5

Both the cellular slime molds and the plasmodial slime molds are members of the phylum Amoebozoa.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements about helminths is FALSE?

Accepted Answer

A)  All are parasites. 
B)  They are heterotrophic. 
C)  They have eukaryotic cells. 
D)  Some have male and female reproductive organs in one animal. 
E)  They are multicellular animals. 
A)  All are parasites. 
B)  They are heterotrophic. 
C)  They have eukaryotic cells. 
D)  Some have male and female reproductive organs in one animal. 
E)  They are multicellular animals.

Question 7

Plasmogamy, karyogamy, and meiosis are stages of the fungal sexual life cycle.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following pairs is mismatched?

Accepted Answer

A)  cestodes - segmented body made of proglottids 
B)  nematodes - many are free- living 
C)  cestodes - all are free- living 
D)  trematodes - flukes 
E)  nematodes - complete digestive tract 
A)  cestodes - segmented body made of proglottids 
B)  nematodes - many are free- living 
C)  cestodes - all are free- living 
D)  trematodes - flukes 
E)  nematodes - complete digestive tract

Question 9

Table 12.1 $$\begin{array} { l l } 
\text { 1- Arthroconidium } & \text { 5-Chlamydoconidium } \
\text { 2-Ascospore } & \text { 6-Conidiospore } \
\text { 3- Basidiospore } & \text { 7-Sporangiospore } \
\text { 4- Blastoconidium } & 8 \text {-Zygospore }
\end{array}$$
-In Table 12.1, which is a thick- walled spore formed as a segment within a hypha?

Accepted Answer

A)  1 
B)  3 
C)  7 
D)  5 
E)  None of the answers is correct. 
A)  1 
B)  3 
C)  7 
D)  5 
E)  None of the answers is correct.

Question 10

In Table 12.1, which of these spores are characteristic of Penicillium?

Accepted Answer

A)  4 and 6 
B)  3 and 4 
C)  1 and 2 
D)  2 and 6 
E)  1 and 4 
A)  4 and 6 
B)  3 and 4 
C)  1 and 2 
D)  2 and 6 
E)  1 and 4

Question 11

What do tapeworms eat?

Accepted Answer

A)  plant matter 
B)  intestinal bacteria 
C)  intestinal contents 
D)  host tissues 
E)  red blood cells 
A)  plant matter 
B)  intestinal bacteria 
C)  intestinal contents 
D)  host tissues 
E)  red blood cells

Question 12

A definitive host harbors which stage of a parasite?

Accepted Answer

A)  larva 
B)  miracidium 
C)  adult 
D)  cyst 
E)  All of the answers are correct. 
A)  larva 
B)  miracidium 
C)  adult 
D)  cyst 
E)  All of the answers are correct.

Question 13

Cercariae, metacercaria, redia, and sporocysts are all life cycle stages of trematodes.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following arthropods does NOT transmit diseases by sucking blood from a human host?

Accepted Answer

A)  fleas 
B)  lice 
C)  kissing bugs 
D)  mosquitoes 
E)  houseflies 
A)  fleas 
B)  lice 
C)  kissing bugs 
D)  mosquitoes 
E)  houseflies

Question 15

Most cases of hookworm infection are acquired by ingestion of eggs in contaminated food or water.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following pairs is mismatched?

Accepted Answer

A)  red algae - agar 
B)  green algae - prokaryotic 
C)  dinoflagellates - paralytic shellfish poisoning 
D)  brown algae - algin 
E)  diatoms - petroleum 
A)  red algae - agar 
B)  green algae - prokaryotic 
C)  dinoflagellates - paralytic shellfish poisoning 
D)  brown algae - algin 
E)  diatoms - petroleum

Question 17

The sporozoite, merozoite, gametocyte, and ring stages are all part of the Plasmodium life cycle.

Accepted Answer

A) True 
 B)False

Question 18

Yeast infections are caused by

Accepted Answer

A)  Histoplasma. 
B)  Candida albicans. 
C)  Penicillium. 
D)  Aspergillus. 
E)  Saccharomyces cerevisiae. 
A)  Histoplasma. 
B)  Candida albicans. 
C)  Penicillium. 
D)  Aspergillus. 
E)  Saccharomyces cerevisiae.

Question 19

All of the following are characteristic of lichens EXCEPT

Accepted Answer

A)  they are arranged in foliose, fruticose, or crustose morphologies. 
B)  they are a major food source for tundra herbivores. 
C)  they are a symbiotic relationship of a fungus and a protozoan. 
D)  they serve as primary producers in rocky ecosystems. 
E)  they are used as indicators of air pollution. 
A)  they are arranged in foliose, fruticose, or crustose morphologies. 
B)  they are a major food source for tundra herbivores. 
C)  they are a symbiotic relationship of a fungus and a protozoan. 
D)  they serve as primary producers in rocky ecosystems. 
E)  they are used as indicators of air pollution.

Question 20

Table 12.1 $$\begin{array} { l l } 
\text { 1- Arthroconidium } & \text { 5-Chlamydoconidium } \
\text { 2- Ascospore } & \text { 6-Conidiospore } \
\text { 3- Basidiospore } & \text { 7-Sporangiospore } \
\text { 4- Blastoconidium } & \text { 8-Zygospore }
\end{array}$$
-In Table 12.1, which of these spores are characteristic of Rhizopus?

Accepted Answer

A)  1 and 2 
B)  1 and 4 
C)  2 and 8 
D)  6 and 7 
E)  7 and 8 
A)  1 and 2 
B)  1 and 4 
C)  2 and 8 
D)  6 and 7 
E)  7 and 8

Exam 12: The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Giardia and Trichomonas are unusual eukaryotes because they

Which of the following groups of algae does NOT produce compounds that are toxic to humans?

Which of the following pairs is mismatched?

All of the following are characteristic of algae EXCEPT

Both the cellular slime molds and the plasmodial slime molds are members of the phylum Amoebozoa.

Which of the following statements about helminths is FALSE?

Plasmogamy, karyogamy, and meiosis are stages of the fungal sexual life cycle.

Which of the following pairs is mismatched?

Table 12.1 1- Arthroconidium 5-Chlamydoconidium 2-Ascospore 6-Conidiospore 3- Basidiospore 7-Sporangiospore 4- Blastoconidium 8 -Zygospore -In Table 12.1, which is a thick- walled spore formed as a segment within a hypha?

In Table 12.1, which of these spores are characteristic of Penicillium?

What do tapeworms eat?

A definitive host harbors which stage of a parasite?

Cercariae, metacercaria, redia, and sporocysts are all life cycle stages of trematodes.

Which of the following arthropods does NOT transmit diseases by sucking blood from a human host?

Most cases of hookworm infection are acquired by ingestion of eggs in contaminated food or water.

Which of the following pairs is mismatched?

The sporozoite, merozoite, gametocyte, and ring stages are all part of the Plasmodium life cycle.

Yeast infections are caused by

All of the following are characteristic of lichens EXCEPT

Table 12.1 1- Arthroconidium 5-Chlamydoconidium 2- Ascospore 6-Conidiospore 3- Basidiospore 7-Sporangiospore 4- Blastoconidium 8-Zygospore -In Table 12.1, which of these spores are characteristic of Rhizopus?

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Recombinant Dna

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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