Question 1

Which of the following best describes the nutritional mode of fungi?

Accepted Answer

They are chemoheterotrophs that absorb nutrients from organic matter.

Question 2

A patient presents with hallucinations and convulsions after eating contaminated rye bread. Which fungal toxin is most likely responsible?

Accepted Answer

Ergot toxin

Question 3

Which environmental condition is most favorable for fungal growth?

Accepted Answer

Acidic pH (around 5), high sugar/salt concentration, and low moisture

Question 4

Which of the following is NOT a correct pairing of a protozoan and the disease it causes?

Accepted Answer

Entamoeba histolytica – toxoplasmosis

Question 5

Which of the following best describes schizogony in protozoa?

Accepted Answer

A form of asexual reproduction involving multiple fission

Question 6

A scientist observes a multicellular, eukaryotic, parasitic worm with a scolex and proglottids. To which group does this organism most likely belong?

Accepted Answer

Cestodes (tapeworms)

Question 7

Which of the following is a correct match between an arthropod vector and the disease it transmits?

Accepted Answer

Flea (Xenopsylla) – plague

Question 8

Which of the following statements about mechanical and biological transmission by arthropod vectors is correct?

Accepted Answer

Mechanical transmission is the passive transfer of pathogens; biological transmission involves multiplication of the pathogen in the vector.

Question 9

Which of the following best describes a cyst in protozoa?

Accepted Answer

A dormant stage allowing survival in harsh conditions

Question 10

Which of the following is a correct example of a nematode (roundworm)?

Accepted Answer

Ascaris lumbricoides

Question 11

A patient is diagnosed with a tapeworm infection. Which structure is characteristic of tapeworms and aids in their attachment to the host's intestine?

Accepted Answer

Scolex

Question 12

Which of the following best describes the difference between asexual and sexual spore formation in fungi?

Accepted Answer

Asexual spores are formed by mitosis; sexual spores are formed by meiosis.

Question 13

Which of the following is NOT a type of asexual spore in fungi?

Accepted Answer

Ascospore

Question 14

Which of the following best describes the function of pseudopodia in protozoa?

Accepted Answer

They are used for movement and feeding.

Question 15

A researcher is studying a eukaryotic microorganism that is unicellular, lacks a cell wall, and moves by cilia. Which group does this organism most likely belong to?

Accepted Answer

Protozoa

Question 16

Which of the following is a correct example of a fluke (trematode)?

Accepted Answer

Schistosoma

Question 17

Which of the following best describes the body structure of most fungi?

Accepted Answer

A thallus composed of hyphae called mycelium

Question 18

Which of the following is a correct statement about the reproduction of protozoa?

Accepted Answer

Protozoa reproduce asexually by fission, budding, or schizogony, and some also reproduce sexually.

Question 19

Which of the following is NOT a characteristic of arthropods?

Accepted Answer

Unicellular structure

Question 20

A patient is diagnosed with hookworm infection. Which of the following nematodes is most likely responsible?

Accepted Answer

Necator americanus

Chapter 12: Eukaryotes – Fungi, Protists, Helminths, and Arthropods

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