Question 1

Yeast infections are caused by

Accepted Answer

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

Question 2

Which of the following statements about the oomycote algae is FALSE?

Accepted Answer

A)  They form hyphae.
B)  They produce zoospores in a sporangium.
C)  They cause plant diseases.
D)  They have chlorophyll.
E)  They reproduce sexually.F) All of the above
G) A) and E)

Question 3

The life cycle of the fish tapeworm is similar to that of the beef tapeworm.Which of the following is the most effective preventive measure to avoid human infection?

Accepted Answer

A)  salting fish before eating
B)  refrigerating stored fish
C)  cooking fish before eating
D)  wearing gloves while handling fish
E)  not swimming in fish-infested watersF) C) and D)
G) B) and D)

Question 4

Assume you have isolated a multicellular heterotrophic organism that produces coenocytic hyphae,motile zoospores,and cellulose cell walls.It is most likely a(n)

Accepted Answer

A)  ascomycete fungus.
B)  green alga.
C)  oomycote alga.
D)  tapeworm.
E)  zygomycete fungus.F) A) and E)
G) All of the above

Question 5

Which of the following statements about helminths is FALSE?

Accepted Answer

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

Question 6

Which of the following organisms is photoautotrophic protozoan?

Accepted Answer

A)  oomycote
B)  cellular slime mold
C)  Euglena
D)  Phytophthora
E)  plasmodial slime moldF) A) and E)
G) C) and D)

Question 7

Arthropod vectors are blood-sucking animals such as ticks,lice,and fleas that transmit microbial pathogens.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

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

Question 9

If a larva of Echinococcus granulosus is found in humans,humans are the

Accepted Answer

A)  definitive host.
B)  infected host.
C)  intermediate host.
D)  reservoir.
E)  None of the answers is correct.F) All of the above
G) C) and D)

Question 10

In the malaria parasite life cycle,humans are the ________ host,while mosquitoes are the ________ host as well as the vector.

Accepted Answer

A)  definitive;intermediate
B)  intermediate;intermediate
C)  temporary;final
D)  vector;intermediate
E)  intermediate;definitiveF) A) and E)
G) A) and B)

Question 11

The head of a tapeworm intestinal parasite is known as the ________.

Accepted Answer

A)  proglottid
B)  spicule
C)  scolex
D)  cysticerci
E)  hydatid cystF) A) and B)
G) B) and C)

Question 12

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

Accepted Answer

A)  diatoms
B)  dinoflagellates
C)  green algae
D)  red algaeE) None of the above
F) A) and D)

Question 13

What do tapeworms eat?

Accepted Answer

A)  intestinal bacteria
B)  host tissues
C)  red blood cells
D)  intestinal contents
E)  plant matterF) A) and B)
G) A) and C)

Question 14

Infecting more than 2 billion people worldwide,________ are the most common causes of chronic infectious diseases.

Accepted Answer

A)  intestinal tapeworms
B)  intestinal roundworms
C)  fungi
D)  algae
E)  protozoaF) C) and D)
G) A) and C)

Question 15

Some species of dinoflagellates produce neurotoxins that cause fish kills and red tides.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following pairs is mismatched?

Accepted Answer

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

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

All of the following are characteristic of the Platyhelminthes EXCEPT that they

Accepted Answer

A)  are hermaphroditic.
B)  are dorsoventrally flattened.
C)  have highly developed digestive and nervous systems.
D)  can be divided into flukes and tapeworms.
E)  are multicellular animals.F) B) and C)
G) A) and E)

Question 19

Below are paired items referring to the heartworm Dirofilaria immitis.Which of the pairs is mismatched?

Accepted Answer

A)  dog - definitive host
B)  dog - sexual reproduction
C)  mosquito - vector
D)  mosquito - definitive host
E)  None of the pairs is mismatched.F) B) and C)
G) C) and D)

Question 20

The encysted larva of the beef tapeworm is called a

Accepted Answer

A)  redia.
B)  cercaria.
C)  cysticercus.
D)  metacercaria.
E)  proglottid.F) B) and D)
G) A) and B)

Exam 12: The Eukaryotes: Fungi, algae, protozoa, and Helminths

What do tapeworms eat?

Correct Answer
verified

The head of a tapeworm intestinal parasite is known as the ________.

Correct Answer
verified

Which of the following pairs is mismatched?

Correct Answer
verified

Some species of dinoflagellates produce neurotoxins that cause fish kills and red tides.

Correct Answer
verified

Assume you have isolated a multicellular heterotrophic organism that produces coenocytic hyphae,motile zoospores,and cellulose cell walls.It is most likely a(n)

Correct Answer
verified

Which of the following statements about the oomycote algae is FALSE?

Correct Answer
verified

All of the following are characteristic of the Platyhelminthes EXCEPT that they

Correct Answer
verified

Which of the following statements about helminths is FALSE?

Correct Answer
verified

Infecting more than 2 billion people worldwide,________ are the most common causes of chronic infectious diseases.

Correct Answer
verified

Below are paired items referring to the heartworm Dirofilaria immitis.Which of the pairs is mismatched?

Correct Answer
verified

Which of the following organisms is photoautotrophic protozoan?

Correct Answer
verified

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

Correct Answer
verified

The encysted larva of the beef tapeworm is called a

Correct Answer
verified

If a larva of Echinococcus granulosus is found in humans,humans are the

Correct Answer
verified

The life cycle of the fish tapeworm is similar to that of the beef tapeworm.Which of the following is the most effective preventive measure to avoid human infection?

Correct Answer
verified

Correct Answer
verified

In the malaria parasite life cycle,humans are the host,while mosquitoes are the host as well as the vector.

Correct Answer
verified

Arthropod vectors are blood-sucking animals such as ticks,lice,and fleas that transmit microbial pathogens.

Correct Answer
verified

Yeast infections are caused by

Correct Answer
verified

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

Correct Answer
verified

Exam 12: The Eukaryotes: Fungi, algae, protozoa, and Helminths

What do tapeworms eat?

Correct AnswerverifiedShow Answer

The head of a tapeworm intestinal parasite is known as the ________.

Correct AnswerverifiedShow Answer

Which of the following pairs is mismatched?

Correct AnswerverifiedShow Answer

Some species of dinoflagellates produce neurotoxins that cause fish kills and red tides.

Correct AnswerverifiedShow Answer

Assume you have isolated a multicellular heterotrophic organism that produces coenocytic hyphae,motile zoospores,and cellulose cell walls.It is most likely a(n)

Correct AnswerverifiedShow Answer

Which of the following statements about the oomycote algae is FALSE?

Correct AnswerverifiedShow Answer

All of the following are characteristic of the Platyhelminthes EXCEPT that they

Correct AnswerverifiedShow Answer

Which of the following statements about helminths is FALSE?

Correct AnswerverifiedShow Answer

Infecting more than 2 billion people worldwide,________ are the most common causes of chronic infectious diseases.

Correct AnswerverifiedShow Answer

Below are paired items referring to the heartworm Dirofilaria immitis.Which of the pairs is mismatched?

Correct AnswerverifiedShow Answer

Which of the following organisms is photoautotrophic protozoan?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The encysted larva of the beef tapeworm is called a

Correct AnswerverifiedShow Answer

If a larva of Echinococcus granulosus is found in humans,humans are the

Correct AnswerverifiedShow Answer

The life cycle of the fish tapeworm is similar to that of the beef tapeworm.Which of the following is the most effective preventive measure to avoid human infection?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In the malaria parasite life cycle,humans are the ________ host,while mosquitoes are the ________ host as well as the vector.

Correct AnswerverifiedShow Answer

Arthropod vectors are blood-sucking animals such as ticks,lice,and fleas that transmit microbial pathogens.

Correct AnswerverifiedShow Answer

Yeast infections are caused by

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
verified

Correct Answer
verified

In the malaria parasite life cycle,humans are the host,while mosquitoes are the host as well as the vector.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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