Chapter Questions
Which genus includes the causative agent for malaria?a. Euglenab. Parameciumc. Plasmodiumd. Trypanosoma
Which protist is a concern because of its ability to contaminate water supplies and cause diarrheal illness?a. Plasmodium vivaxb. Toxoplasma gondiic. Giardia lambliad. Trichomonas vaginalis
A fluke is classified within which of the following?a. Nematodab. Rotiferac. Platyhelminthesd. Annelida
A nonsegmented worm is found during a routine colonoscopy of an individual who reported having abdominal cramps, nausea, and vomiting. This worm is likely which of the following?a. nematodeb. flukec. trematoded. annelid
A segmented worm has male and female reproductive organs in each segment. Some use hooks to attach to the intestinal wall. Which type of worm is this?a. flukeb. nematodec. cestoded. annelid
Mushrooms are a type of which of the following?a. conidiab. ascusc. polar tubuled. basidiocarp
Which of the following is the most common cause of human yeast infections?a. Candida albicansb. Blastomyces dermatitidisc. Cryptococcus neoformansd. Aspergillus fumigatus
Which of the following is an ascomycete fungus associated with bat droppings that can cause a respiratory infection if inhaled?a. Candida albicansb. Histoplasma capsulatumc. Rhizopus stoloniferad. Trichophyton rubrum
Which polysaccharide found in red algal cell walls isa useful solidifying agent?a. chitinb. cellulosec. phycoerythrind. agar
Which is the term for the hard outer covering of some dinoflagellates?a. thecab. thallusc. myceliumd. shell
Which protists are associated with red tides?a. red algaeb. brown algaec. dinoflagellatesd. green algae
You encounter a lichen with leafy structures. Which term describes this lichen?a. crustoseb. foliosec. fruticosed. agarose
Which of the following is the term for the outer layer of a lichen?a. the cortexb. the medullac. the thallusd. the theca
The fungus in a lichen is which of the following?a. a basidiomyceteb. an ascomycetec. a zygomyceted. an apicomplexan
Fill in the BlankThe plasma membrane of a protist is called the ______.
Fill in the BlankAnimals belong to the same super group as the kingdom _______.
Fill in the BlankFlukes are in class _______.
Fill in the BlankA species of worm in which there are distinct male and female individuals is described as _______.
Fill in the BlankNonseptate hyphae are also called _______.
Fill in the BlankUnicellular fungi are called _______.
Fill in the BlankSome fungi have proven medically useful because they can be used to produce _______.
Fill in the BlankStructures in chloroplasts used to synthesize and store starch are called _______.
Fill in the BlankAlgae with chloroplasts with three or four membranes are a result of _______ _______.
Short AnswerWhat are kinetoplastids?
Short AnswerAside from a risk of birth defects, what other effect might a toxoplasmosis infection have?
Short AnswerWhat is the best defense against tapeworm infection?
Short AnswerWhich genera of fungi are common dermatophytes (fungi that cause skin infections)?
Short AnswerWhat is a dikaryotic cell?
Short AnswerWhat is a distinctive feature of diatoms?
Short AnswerWhy are algae not considered parasitic?
Short AnswerWhich groups contain the multicellular algae?
Short AnswerWhat are three ways that lichens are environmentally valuable?
Critical ThinkingThe protist shown has which of the following?a. pseudopodiab. flagellac. a shelld. cilia
Protist taxonomy has changed greatly in recent years as relationships have been re-examined using newer approaches. How do newer approaches differ from older approaches?
What characteristics might make you think a protist could be pathogenic? Are certain nutritional characteristics, methods of locomotion, or morphological differences likely to be associated with the ability to cause disease?
Given the life cycle of the Schistosoma parasite, suggest a method of prevention of the disease.
Which of the drawings shows septate hyphae?
Explain the benefit of research into the pathways involved in the synthesis of chitin in fungi.