$$1 \text{ cell} \rightarrow n \text{ daughter cells}$$

Question 1

Which of the following best describes dimorphism in fungi?

Accepted Answer

The ability to exist as either a yeast or a mold depending on environmental conditions

Question 2

Which structure is responsible for nutrient absorption in molds?

Accepted Answer

Vegetative hyphae

Question 3

A patient presents with a fungal infection limited to the outermost layer of skin and hair. Which type of mycosis is this?

Accepted Answer

Superficial mycosis

Question 4

Which of the following is a key difference between bacteria and fungi?

Accepted Answer

Fungi are eukaryotic and have chitin in their cell walls

Question 5

Which phylum of fungi is characterized by the production of zygospores during sexual reproduction?

Accepted Answer

Zygomycota

Question 6

Saccharomyces cerevisiae is economically important because it is used in:

Accepted Answer

Bread and alcohol fermentation

Question 7

Which of the following best describes a lichen?

Accepted Answer

A symbiotic association between a fungus and an alga or cyanobacterium

Question 8

Diatoms can cause domoic acid toxicosis. Which of the following is a likely consequence of domoic acid poisoning?

Accepted Answer

Gastrointestinal and neurological symptoms in humans

Question 9

Which equation best represents the photosynthetic process carried out by green algae?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 10

A patient is diagnosed with malaria. Which organism is responsible for this disease, and what is the definitive host?

Accepted Answer

Plasmodium; mosquito

Question 11

Which term describes the feeding stage of a protozoan, such as the one found in Giardia?

Accepted Answer

Trophozoite

Question 12

Which of the following is a feature that allows helminths to survive within hosts?

Accepted Answer

Specialized attachment structures such as hooks and suckers

Question 13

Which equation best represents the process of schizogony in protozoans?

Accepted Answer

$$1 	ext{ cell} ightarrow n 	ext{ daughter cells}$$

Question 14

Which of the following diseases is caused by a nematode?

Accepted Answer

Trichuriasis (caused by Trichuris trichiura)

Question 15

Which of the following best describes mechanical transmission by a vector?

Accepted Answer

The vector physically transfers the pathogen without the pathogen multiplying inside the vector

Question 16

Which of the following is an example of a disease caused by biological transmission through a vector?

Accepted Answer

Malaria transmitted by Anopheles mosquitoes

Question 17

Which of the following is a correct definition of monoecious in helminths?

Accepted Answer

Having both male and female reproductive organs in the same individual

Question 18

Which of the following is a key anatomical feature of cestodes?

Accepted Answer

Presence of a scolex for attachment

Question 19

Which of the following is a correct example of a vector from the class Arachnidia?

Accepted Answer

Tick

Question 20

Which of the following algae is associated with red tides and paralytic shellfish poisoning due to saxitoxins?

Accepted Answer

Dinoflagellates

Eukaryotes: Fungi, Algae, Protozoa, and Helminths

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