Question 1

An organism that can grow photoautotrophically in the light and chemoheterotrophically in the dark.

Accepted Answer

A)   Oomycote
B)   Plasmodial slime mold
C)   Euglena
D)   Phytophthora
E)   Cellular slime mold

Question 2

Which of the following statements is false?

Accepted Answer

A)   Fungal spores are used in identification of fungi.
B)   Fungi produce asexual spores.
C)   Fungal spores are for reproduction.
D)   Fungal spores are resting spores to protect the fungus from adverse environmental conditions.
E)   Fungi produce sexual spores.

Question 3

The encysted larva of the beef tapeworm is called a

Accepted Answer

A)   Redia.
B)   Cysticercus.
C)   Metacercaria.
D)   Cercaria.
E)   None of the above.

Question 4

Multinucleated amoebalike cells that produce funguslike spores.

Accepted Answer

A)   Euglenozoa
B)   Plasmodial slime mold
C)   Ascomycete
D)   Tapeworm
E)   Cellular slime mold

Question 5

Leishmania is an euglenozoa. Which of the following is not true about this organism?

Accepted Answer

A)   It is a human parasite.
B)   It is flagellated.
C)   It is photosynthetic.
D)   It is transmitted by sandflies.
E)   None of the above.

Question 6

Fungi, more often than bacteria, are responsible for decomposition of plant material because

Accepted Answer

A)   They cannot tolerate high osmotic pressure.
B)   They prefer a neutral environment (pH 7) .
C)   They have a fermentative metabolism.
D)   They are aerobic.
E)   They can tolerate low- moisture conditions.

Question 7

The microspora and archaezoa are unusual eukaryotes because they

Accepted Answer

A)   Lack nuclei.
B)   Don't produce cysts.
C)   Are motile.
D)   Do produce cysts.
E)   Lack mitochondira.

Question 8

Which of the following statements is not true?

Accepted Answer

A)   In a lichen, the fungus provides the holdfast.
B)   In a lichen, the alga produces carbohydrates.
C)   Lichens are important soil producers.
D)   Lichens are parasites.
E)   A lichen doesn't exist if the fungal and algal partners are separated.

Question 9

All of the following statements about algae are true except

Accepted Answer

A)   They use light as their energy source.
B)   All are unicellular.
C)   Some are capable of sexual reproduction.
D)   They use CO₂ as their carbon source.
E)   They produce oxygen from hydrolysis of water.

Question 10

Table 12.1
   1- Arthroconidium  5-Chlamydoconidium  2- Ascospore  6-Conidiospore  3-Basidiospore  7-Sporangiospore  4- Blastoconidium  8-Zygospore \begin{array}{ll}	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)   7 and 8
B)   2 and 8
C)   6 and 7
D)   1 and 4
E)   1 and 2

Question 11

The cells of plasmodial slime molds can grow to several centimeters in diameter because

Accepted Answer

A)   They distribute nutrients by cytoplasmic streaming.
B)   The large surface can absorb nutrients.
C)   They form spores.
D)   They have organelles.
E)   None of the above.

Question 12

All of the following groups of algae produce compounds that are toxic to humans except

Accepted Answer

A)   Dinoflagellates.
B)   Green algae.
C)   Diatoms.
D)   Red algae.
E)   None of the above.

Question 13

Which stage immediately precedes the adult?

Accepted Answer

A)   Metacercaria
B)   Redia
C)   Miracidium
D)   Cercaria

Question 14

In a food chain consisting of the following, which acts as a producer?

Accepted Answer

A)   Lichens
B)   Slime molds
C)   Fungi
D)   Protozoa

Question 15

Amoebalike vegetative structures that produce sporangia.

Accepted Answer

A)   Plasmodial slime mold
B)   Tapeworm
C)   Ascomycete
D)   Cellular slime mold
E)   Euglenozoa

Question 16

Which of the following pairs are mismatched?
1)  Arthroconidium - formed by fragmentation
2)  Sporangiospore - formed within hyphae
3)  Conidiospore - formed in a chain
4)  Blastoconidium - formed from a bud
5)  Chlamydoconidium - formed in a sac

Accepted Answer

A)   2 and 3
B)   2 and 5
C)   4 and 5
D)   1 and 2
E)   3 and 4

Question 17

A nucleated, unicellular organism; when you change the incubation temperature, it forms filaments with conidiospores.

Accepted Answer

A)   Euglenozoa
B)   Ascomycete
C)   Plasmodial slime mold
D)   Cellular slime mold
E)   Tapeworm

Question 18

Which of the following systems in a parasitic helminth is not greatly reduced compared to free- living helminths?

Accepted Answer

A)   Locomotion
B)   Digestive system
C)   Nervous system
D)   Reproductive system
E)   All are reduced.

Question 19

A definitive host harbors which stage of a parasite?

Accepted Answer

A)   Larva
B)   Adult
C)   Miracidium
D)   Cyst
E)   All of the above

Question 20

Transmission of helminthic diseases to humans is usually by

Accepted Answer

A)   Vectors.
B)   Genitourinary route.
C)   Gastrointestinal route.
D)   Respiratory route.
E)   All of the above.

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

A definitive host harbors which stage of a parasite?

Correct Answer
verified

A nucleated, unicellular organism; when you change the incubation temperature, it forms filaments with conidiospores.

Correct Answer
verified

Which of the following statements is false?

Correct Answer
verified

Leishmania is an euglenozoa. Which of the following is not true about this organism?

Correct Answer
verified

The microspora and archaezoa are unusual eukaryotes because they

Correct Answer
verified

Which of the following statements is not true?

Correct Answer
verified

Transmission of helminthic diseases to humans is usually by

Correct Answer
verified

The cells of plasmodial slime molds can grow to several centimeters in diameter because

Correct Answer
verified

Fungi, more often than bacteria, are responsible for decomposition of plant material because

Correct Answer
verified

Correct Answer
verified

Which of the following systems in a parasitic helminth is not greatly reduced compared to free- living helminths?

Correct Answer
verified

In a food chain consisting of the following, which acts as a producer?

Correct Answer
verified

An organism that can grow photoautotrophically in the light and chemoheterotrophically in the dark.

Correct Answer
verified

Amoebalike vegetative structures that produce sporangia.

Correct Answer
verified

All of the following groups of algae produce compounds that are toxic to humans except

Correct Answer
verified

Which stage immediately precedes the adult?

Correct Answer
verified

Multinucleated amoebalike cells that produce funguslike spores.

Correct Answer
verified

The encysted larva of the beef tapeworm is called a

Correct Answer
verified

All of the following statements about algae are true except

Correct Answer
verified

Which of the following pairs are mismatched? 1) Arthroconidium - formed by fragmentation 2) Sporangiospore - formed within hyphae 3) Conidiospore - formed in a chain 4) Blastoconidium - formed from a bud 5) Chlamydoconidium - formed in a sac

Correct Answer
verified

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

A definitive host harbors which stage of a parasite?

Correct AnswerverifiedShow Answer

A nucleated, unicellular organism; when you change the incubation temperature, it forms filaments with conidiospores.

Correct AnswerverifiedShow Answer

Which of the following statements is false?

Correct AnswerverifiedShow Answer

Leishmania is an euglenozoa. Which of the following is not true about this organism?

Correct AnswerverifiedShow Answer

The microspora and archaezoa are unusual eukaryotes because they

Correct AnswerverifiedShow Answer

Which of the following statements is not true?

Correct AnswerverifiedShow Answer

Transmission of helminthic diseases to humans is usually by

Correct AnswerverifiedShow Answer

The cells of plasmodial slime molds can grow to several centimeters in diameter because

Correct AnswerverifiedShow Answer

Fungi, more often than bacteria, are responsible for decomposition of plant material because

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following systems in a parasitic helminth is not greatly reduced compared to free- living helminths?

Correct AnswerverifiedShow Answer

In a food chain consisting of the following, which acts as a producer?

Correct AnswerverifiedShow Answer

An organism that can grow photoautotrophically in the light and chemoheterotrophically in the dark.

Correct AnswerverifiedShow Answer

Amoebalike vegetative structures that produce sporangia.

Correct AnswerverifiedShow Answer

All of the following groups of algae produce compounds that are toxic to humans except

Correct AnswerverifiedShow Answer

Which stage immediately precedes the adult?

Correct AnswerverifiedShow Answer

Multinucleated amoebalike cells that produce funguslike spores.

Correct AnswerverifiedShow Answer

The encysted larva of the beef tapeworm is called a

Correct AnswerverifiedShow Answer

All of the following statements about algae are true except

Correct AnswerverifiedShow Answer

Which of the following pairs are mismatched? 1) Arthroconidium - formed by fragmentation 2) Sporangiospore - formed within hyphae 3) Conidiospore - formed in a chain 4) Blastoconidium - formed from a bud 5) Chlamydoconidium - formed in a sac

Correct AnswerverifiedShow Answer

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