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- 1. Multiple Choice
Which one of the following statements about fungi is true?
All fungi are unicellular
All fungi are eukaryotic
All fungi are autotrophic
Most fungi are anaerobic
Most fungi are pathogenic to humans
- 2. Multiple Choice
Long filaments of fungal cells joined together are:
Yeasts
Spores
Stipes
Septa
Hyphae
- 3. Multiple Choice
A mold obtains nutrients by absorption through:
Vegetative hyphae
Aerial hyphae
Blastoconidia
The ascus
Yeasts
- 4. Multiple Choice
Fungal reproductive spores are produced:
By yeasts
On aerial hyphae
On vegetative hyphae
By the thallus
Fungi don’t produce reproductive spores
- 5. Multiple Choice
Fungi, more often than bacteria, are responsible for decomposition of plant material because:
They are aerobic.
They can tolerate low-moisture conditions.
They prefer a neutral environment (pH 7).
They have a fermentative metabolism.
They cannot tolerate high osmotic pressure.
- 6. Multiple Choice
Pathogenic dimorphic fungi:
Are yeast like at 25°C
Are yeast like at 37°C
Are filamentous at 37°C
Are filamentous but cannot reproduce sexually at 25°C
Have no sexual spore type at any temperature
- 7. Multiple Choice
Sexual spores produced by fungi:
Are often produced in response to environmental changes
Include ascospores, zygospores, and basidospores
Undergo meiosis to produce asexual spores
Are used to classify fungi taxonomically
All of the above are true
- 8. Multiple Choice
Which of the following pairs is not correctly matched?
Plasmogamy: union of two haploid cells.
Karyogamy: fusion of nuclei.
Meiosis: cell division resulting in haploid cells.
Anamorph: produces asexual spores only.
Deuteromycota: a phylum of fungi based on sexual spore type.
- 9. Multiple Choice
Which spore results from the fusion of two nuclei from different strains of the same type of fungus and is formed in a sac?
Zygospore
Ascospore
Basidiospore
Deuterospore
Blastospore
- 10. Multiple Choice
Which spore results from the fusion of two nuclei from different strains of the same type of fungus and is found externally on a pedestal?
Zygospore
Ascospore
Basidiospore
Deuterospore
Blastospore
- 11. Multiple Choice
Which spore results from the fusion of two nuclei from different strains of the same type of fungus and is a thick-walled spore formed as a segment within a hypha?
Zygospore
Ascospore
Basidiospore
Deuterospore
Blastospore
- 12. Multiple Choice
Which of these spores are asexual spores?
Zygospore
Ascospore
Basidiospore
Deuterospore
Blastospore
- 13. Multiple Choice
Which of the following pairs is mismatched?
Thallus: hyphae
Thallus: mycelium
Coenocytic: lacking cross-walls
Septate: with cross-walls
Aerial mycelium: vegetative mycelium
- 14. Multiple Choice
All of the following statements about algae are true except:
They use light as their energy source.
They use CO2 as their carbon source.
They produce oxygen from hydrolysis of water.
All are unicellular.
Some are capable of sexual reproduction.
- 15. Multiple Choice
All algae are:
Photoautotrophs.
Plants.
Unicellular.
Toxic.
None of these.
- 16. Multiple Choice
All of the following groups of algae produce compounds that are toxic to humans except:
Diatoms.
Dinoflagellates.
Green algae.
Red algae.
- 17. Multiple Choice
Which of the following statements about protozoa is false?
Protozoa may be prokaryotes.
Protozoa may make cysts.
Protozoa may reproduce sexually.
Protozoa may have flagella or cilia.
- 18. Multiple Choice
Which organism that can grow photoautotrophically in the light and chemoheterotrophically in the dark?
Oomycote
Cellular slime mold
Euglena
Phytophthora
Plasmodial slime mold
- 19. Multiple Choice
The microspora and archaezoa are unusual eukaryotes because they:
Are motile.
Lack mitochondria.
Lack nuclei.
Don't produce cysts.
Do produce cysts.
- 20. Multiple Choice
The definitive host for Plasmodium is:
Humans
The Anopheles mosquito
Snails
Crawfish
None of the above
- 21. Multiple Choice
Plasmodial gametocytes are present in the blood:
Of mosquitos
At night
When sporozoites are released from red blood cells
Constantly after infection
- 22. Multiple Choice
Which of the following is the most effective control for malaria?
Vaccination
Treating patients
Eliminate the Anopheles mosquito
Eliminate the intermediate host
None of these
- 23. Multiple Choice
All of the following statements about helminths are false except:
Some helminths are phototrophic.
Helminths are unicellular animals.
Some helminths are eukaryotes.
Some helminths are parasites.
- 24. Multiple Choice
All of the following statements about helminths are true except:
They are heterotrophic.
They are multicellular animals.
They have eukaryotic cells.
All are parasites.
Some have male and female reproductive organs in one animal.
- 25. Multiple Choice
Which of the following systems in a parasitic helminth is not greatly reduced compared to free-living helminths?
Digestive system
Nervous system
Locomotion
Reproductive system
All are reduced.
- 26. Multiple Choice
Transmission of helminthic diseases to humans is usually by:
Respiratory route.
Genitourinary route.
Gastrointestinal route.
Vectors.
All of these.
- 27. Multiple Choice
Which of the following is not a characteristic of parasitic platyhelminths?
They are hermaphroditic.
They are dorsoventrally flattened.
They have a complete digestive system.
They can be divided into flukes and tapeworms.
None of these.
- 28. Multiple Choice
Cercariae, metacercaria, miracidia, and rediae are stages in the life cycle of:
Cestodes.
Trematodes.
Nematodes.
Sporozoans.
Sarcodina.
- 29. Multiple Choice
Which stage immediately precedes the adult?
Cercaria
Metacercaria
Miracidium
Redia
- 30. Multiple Choice
The encysted larva of the beef tapeworm is called a:
Redia.
Cercaria.
Cysticercus.
Metacercaria.
None of these.
- 31. Multiple Choice
A definitive host harbors which stage of a parasitic helminth?
Miracidium
Cyst
Adult
Larva
All of these
- 32. Multiple Choice
What do tapeworms eat?
Intestinal bacteria
Host tissues
Red blood cells
Intestinal contents
All of these
- 33. Multiple Choice
What do hookworms eat?
Intestinal bacteria
Host tissues
Red blood cells
Intestinal contents
All of these
- 34. Multiple Choice
Which of the following is the most effective preventive measure to avoid acquiring a beef tapeworm?
Salting beef before eating
Refrigerating stored beef
Not eating raw beef
Wearing gloves while handling beef
Not kissing cows
- 35. Multiple Choice
If a larva of Echinococcus granulosus is found in humans, humans are the:
Definitive host.
Definitive host.
Intermediate host.
Reservoir.
None of these.
- 36. Multiple Choice
Which of the following pairs is mismatched?
Tick: Rocky Mountain Spotted Fever
Tick: Lyme Disease
Mosquito: Malaria
Mosquito: Pneumocystis
Mosquito: Encephalitis
- 37. Multiple Choice
Ringworm is caused by a(n):
Ascomycete.
Cestode.
Nematode.
Protozoan.
Trematode.
- 38. Multiple Choice
Yeast infections are caused by:
Aspergillus.
Candida albicans.
Histoplasma.
Penicillium.
Saccharomyces cerevisiae.
- 39. Multiple Choice
All of the following arthropods transmit diseases while sucking blood from a human host except:
Lice.
Fleas.
Houseflies.
Mosquitoes.
Kissing bugs.
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