Question 1

Which of the following statements best describes the nutritional mode of most protozoa?

Accepted Answer

Protozoa are chemoheterotrophs, obtaining energy and carbon from organic molecules.

Question 2

A patient presents with severe diarrhea after drinking untreated water. Which protozoan is most likely responsible, and what is its unique cellular feature?

Accepted Answer

Giardia; has two equal nuclei and multiple flagella.

Question 3

Which division of fungi is characterized by the production of zygospores and includes many obligate parasites of insects?

Accepted Answer

Division Zygomycota

Question 4

Which of the following is TRUE regarding the reproduction of protozoa?

Accepted Answer

Protozoa reproduce by binary fission, schizogony, and sexual reproduction involving gametocytes.

Question 5

A scientist observes a unicellular eukaryote moving by pseudopods and lacking a shell. Which group does this organism most likely belong to?

Accepted Answer

Amoebozoa

Question 6

Which of the following fungi is known for producing penicillin and belongs to the division Ascomycota?

Accepted Answer

Penicillium

Question 7

Which equation correctly represents the alternation of generations in multicellular algae?

Accepted Answer

$$2n \rightarrow n ($$meiosis), $$n \rightarrow 2n ($$fertilization)

Question 8

Which of the following statements about lichens is CORRECT?

Accepted Answer

Lichens are a partnership between a fungus and a photosynthetic microbe.

Question 9

Which protozoan group is responsible for causing malaria in humans, and what is the vector for transmission?

Accepted Answer

Apicomplexans; transmitted by mosquitoes.

Question 10

Which of the following is a major ecological role of diatoms?

Accepted Answer

Production of marine oxygen and formation of diatomaceous earth.

Question 11

A fungus is observed to have a tangled mass called a mycelium and produces spores in a sac. Which division does it most likely belong to?

Accepted Answer

Division Ascomycota

Question 12

Which of the following is a correct description of the sexual spore formation process in fungi?

Accepted Answer

Fusion of haploid cells (+ and -), formation of dikaryon, then meiosis to produce spores.

Question 13

Which of the following is a human pathogen among the ciliates?

Accepted Answer

Balantidium

Question 14

Which pigment is responsible for the red coloration in red algae and allows them to live at greater water depths?

Accepted Answer

Phycoerythrin

Question 15

Which of the following is TRUE about water molds?

Accepted Answer

Water molds are more closely related to diatoms and brown algae than to fungi.

Question 16

Which of the following is a correct match between a protozoan pathogen and the disease it causes?

Accepted Answer

Giardia; causes severe diarrhea

Question 17

Which of the following is a characteristic of dinoflagellates?

Accepted Answer

They are bioluminescent and produce neurotoxins.

Question 18

Which of the following is a correct description of the structure of fungi hyphae?

Accepted Answer

Hyphae can be septate or aseptate, forming strands in molds.

Question 19

Which of the following arthropods is a biological vector for Trypanosoma?

Accepted Answer

Tsetse fly

Microbiology Study Notes: Protozoa, Fungi, Algae, and Other Eukaryotic Microbes

Guida di studio - Domande di pratica

Study guide - Flashcard