Question 1

Which of the following statements best explains why fungi are classified as chemoheterotrophs?

Accepted Answer

They obtain both energy and carbon by decomposing organic matter.

Question 2

A laboratory technician observes a fungal sample with septate hyphae and conidiospores. Which phylum is this fungus most likely to belong to?

Accepted Answer

Ascomycota

Question 3

Which of the following best describes the difference between septate and coenocytic (aseptate) hyphae?

Accepted Answer

Septate hyphae have cross-walls dividing cells, while coenocytic hyphae are continuous with many nuclei.

Question 4

A patient with AIDS develops pneumonia caused by Pneumocystis. This is an example of which type of mycosis?

Accepted Answer

Opportunistic mycosis

Question 5

Which of the following is TRUE regarding fungal asexual spores?

Accepted Answer

They are produced by mitosis and result in genetically identical offspring.

Question 6

Which of the following best describes the process of plasmogamy in fungal sexual reproduction?

Accepted Answer

Haploid donor cell nucleus penetrates the cytoplasm of the recipient cell

Question 7

A fungus that is yeastlike at 37$$^\circC $$and moldlike at 25$$^\circC is $$best described as:

Accepted Answer

Dimorphic

Question 8

Which of the following is a distinguishing feature of Microsporidia compared to other fungi?

Accepted Answer

They lack mitochondria and are obligate intracellular parasites.

Question 9

Which of the following pairs is correctly matched regarding fungal phyla and their sexual spores?

Accepted Answer

Basidiomycota – Basidiospores

Question 10

A patient presents with a ring-shaped rash on their foot, itching, and scaling skin. Which organism is most likely responsible, and what is the infection called?

Accepted Answer

Microsporum species; tinea pedis (athlete’s foot)

Question 11

Which of the following best explains why fungi can grow in environments with high sugar and salt concentrations?

Accepted Answer

They are resistant to osmotic pressure.

Question 12

Which of the following is a correct statement about the economic importance of fungi?

Accepted Answer

Saccharomyces cerevisiae is used in bread and wine production.

Question 13

Which of the following protozoan groups is correctly matched with its mode of movement?

Accepted Answer

Flagellated protozoans – flagella

Question 14

A patient is diagnosed with malaria. Which stage of the Plasmodium life cycle is injected into the human host by the mosquito?

Accepted Answer

Sporozoite

Question 15

Which of the following statements about helminths is TRUE?

Accepted Answer

Nematodes are roundworms with a complete digestive system.

Question 16

Which of the following best describes the transmission of Schistosoma (blood fluke) to humans?

Accepted Answer

Larvae released from snails penetrate human skin in contaminated water

Question 17

Which of the following is a distinguishing feature of cestodes (tapeworms)?

Accepted Answer

They have a scolex for attachment and proglottids containing reproductive organs.

Question 18

Which of the following arthropods is correctly matched with the disease it transmits?

Accepted Answer

Ixodes tick – Lyme disease

Question 19

Which of the following best describes biological transmission by arthropod vectors?

Accepted Answer

The pathogen multiplies within the vector before transmission.

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths – Study Notes

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