Microbiology Final

Which of the following is the most common parasitic worm infection in the U.S.? A. Ascaris lumbricoides B. Fluke C. Hookworm D. Pinworm E. Trichinella spiralis

D.

Which of the following is NOT true of algae? A. Autotrophic protists B. Found in the supergroups, Chromalveolata and Archaeplastida C. Produce approximately 70% of the oxygen and organic matter in aquatic environments D. Some produce toxins E. All of the above are true

E

Which of the following does NOT belong to Chromalveolata? A. Apicomplexans B. Ciliates C. Diatoms D. Dinoflagellates E. Slime molds

E.

Which of the following groups is related to the plant pathogen found in the soil that caused the Irish potato famine in Ireland between 1845 and 1849? A. Apicomplexans B. Ciliates C. Diatoms D. Dinoflagellates E. Oomycetes

E.

Which of the following is NOT true of fungi? A. Decomposers B. Heterotrophic C. May produce medicines and many types of foods D. May cause diseases called mycoses E. All of the above are true

E.

Which of the following is NOT true of schistosomiasis? A. Causative agents are found in freshwater snails B. Causative agents belong to flukes C. Caused by a nonsegmented flatworm D. Nearly 800,000 people die from the disease E. All of the above are true

E.

Which of the following is true of Excavata? A. Have complex cell shapes and structures B. Includes many parasites C. Includes primitive eukaryotes D. Includes the subgroups Fornicata, Parabasalia, and Euglenozoa E. All of the above are true

E.

Which of the following groups of fungi include edible mushrooms, morels, and truffles? A. Ascomycota B. Basidiomycota C. Chytridiomycota D. Microsporidia E. Zygomycota

A

Which of the following is usually found in the cell walls of algae? A. Cellulose B. Chitin C. Glucan D. Glycoproteins E. Mannan

A

Yeasts are unicellular fungi. A. True B. False

A

Apical complex is a concentration of organelles, vacuoles, and microtubules that allows to enter the host cells. A. True B. False

A.

Ciliates are able to reproduce through conjugation. A. True B. False

A.

Histoplasma capsulatum, the pathogen that causes histoplasmosis, a lung infection, is a dimorphic fungus, thus may be able to appear as yeasts or molds in response to temperature. A. True B. False

A.

Men are able to transmit Trichomonas vaginalis that causes trichomoniasis. A. True B. False

A.

Microorganisms that drift or float in water, moved by currents, and do photosynthesis are referred to as phytoplankton. A. True B. False

A.

Parasitic helminths are A. Animals B. Fungi C. Protists D. Protozoans E. Slime molds

A.

The protists lack a shared evolutionary origin. A. True B. False

A.

Which of the following groups includes unicellular, photosynthetic organisms? A. Algae B. Fungi C. Protozoa D. Slime molds E. Water molds

A.

Which of the following is NOT true of Nematoda? A. Include flukes, tapeworms, and turbellarians B. Include several human parasites C. Some are monoecious D. Unsegmented E. All of the above are true

A.

Which of the following is the largest nematode intestinal parasite found in humans? A. Ascaris lumbricoides B. Fluke C. Hookworm D. Pinworm E. Trichinella spiralis

A.

Which of the following is true of macronucleus found in ciliates? A. Derived from the micronucleus B. Diploid C. Haploid D. Somatic E. Used for sexual reproduction by conjugation

A.

Which of the following is used for osmotic regulation in some protozoans? A. Contractile vacuoles B. Cytostome C. Hydrogenosomes D. Kinetoplastids E. Pseudopodia

A.

Which of the following is usually NOT found in protozoans? A. Chloroplast B. Contractile vacuole C. Cytostome D. Endoplasm E. Mitochondria

A.

Which of the following is true of characteristics of Fungi? A. Always multicellular B. Cell walls contain chitin C. Made up of filaments called mycelia D. Mycelia form hyphae E. Multicellular fungi form pseudohyphae

B

The plasma membrane of a protist is called the pellicle. A. True B. False

B.

Toxocara canis and T. cati are platyhelminths found in dogs and cats, respectively, that can be transmitted to humans, causing toxocariasis. A. True B. False

B.

Which of the following does NOT belong to protists? A. Algae B. Fungi C. Protozoa D. Slime molds E. Water molds

B.

Which of the following is NOT true of protists? A. A diverse group of microscopic eukaryotic organisms B. Include parasitic worms C. Protist is a historical term D. Some cause diseases E. All of the above are true

B.

Which of the following is a platyhelminth? A. Ascaris lumbricoides B. Fluke C. Hookworm D. Pinworm E. Trichinella spiralis

B.

Which of the following is the causative agent of American trypanosomiasis (Chagas' disease)? A. Trypanosoma brucei B. Trypanosoma cruzi

B.

Which of the following algae are associated with a red tide, a type of harmful algal bloom? A. Blue green algae B. Brown algae C. Dinoflagellates D. Red algae E. All of the above

C

Which of the following fungi may be responsible for amphibian declines? A. Aspergillus flavus B. Candida albicans C. Chytrid D. Microsporidia E. Saccharomyces cerevisiae

C

Which of the following is found only in fungal cell membrane and often exploited as targets for antifungal drugs? A. Chitins B. Cholesterols C. Ergosterols D. Hopanoids E. Peptidoglycans

C

Malaria is a disease caused by a eukaryotic parasite, Plasmodium spp., which belongs to_____________________. A. Amoebozoa B. Archaeplastida C. Chromalveolata D. Excavata E. Rhizaria

C.

Which of the following is a group of "animal-like" protists? A. Algae B. Fungi C. Protozoa D. Slime molds E. Water molds

C.

Which of the following protists are nonphotosynthetic, motile organisms that are always unicellular? A. Algae B. Fungi C. Protozoa D. Slime molds E. Water molds

C.

Which of the following is NOT one of asexual reproductive mechanisms in protozoans? A. Binary fission B. Budding C. Schizogony D. Syngamy E. All of the above are asexual reproductive mechanisms

D.

Which of the following is NOT true of sexual reproduction in Fungi? A. Reproduce sexually through cross- or self-fertilization B. Hyphae have gametes at the tips C. Two different mating types are involved D. Immediately create a diploid zygote E. All of the above are true

D.

Which of the following is NOT true of trophozoites? A. The feeding and growth part of protozoans' life cycle B. Feed on small particulate food sources such as bacteria C. Can develop to an encapsulated cyst D. Cells with a protective wall E. All of the above are true

D.

Which of the following is the brain-eating amoeba causing primary amoebic meningoencephalitis (PAM)? A. Acanthamoeba B. Entamoeba histolytica C. Giardia lamblia D. Naegleria fowleri E. Plasmodium falciparum

D.