Every problem in the chapter beside the book’s answer, a chapter at a time as you scroll.

Chapter 5: The Eukaryotes of Microbiology

23 problems · 0 figures

5-1 §5.MC source ↗

Which genus includes the causative agent for malaria?
  1. a.
    Euglena
  2. b.
    Paramecium
  3. c.
    Plasmodium
  4. d.
    Trypanosoma

Answer

C. Plasmodium

5-2 §5.MC source ↗

Which protist is a concern because of its ability to contaminate water supplies and cause diarrheal illness?
  1. a.
    Plasmodium vivax
  2. b.
    Toxoplasma gondii
  3. c.
    Giardia lamblia
  4. d.
    Trichomonas vaginalis

Answer

C. Giardia lamblia

5-3 §5.MC source ↗

A fluke is classified within which of the following?
  1. a.
    Nematoda
  2. b.
    Rotifera
  3. c.
    Platyhelminthes
  4. d.
    Annelida

Answer

C. Platyhelminthes

5-4 §5.MC source ↗

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?
  1. a.
    nematode
  2. b.
    fluke
  3. c.
    trematode
  4. d.
    annelid

Answer

A. nematode

5-5 §5.MC source ↗

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?
  1. a.
    fluke
  2. b.
    nematode
  3. c.
    cestode
  4. d.
    annelid

Answer

C. cestode

5-6 §5.MC source ↗

Mushrooms are a type of which of the following?
  1. a.
    conidia
  2. b.
    ascus
  3. c.
    polar tubule
  4. d.
    basidiocarp

Answer

D. basidiocarp

5-7 §5.MC source ↗

Which of the following is the most common cause of human yeast infections?
  1. a.
    Candida albicans
  2. b.
    Blastomyces dermatitidis
  3. c.
    Cryptococcus neoformans
  4. d.
    Aspergillus fumigatus

Answer

A. Candida albicans

5-8 §5.MC source ↗

Which of the following is an ascomycete fungus associated with bat droppings that can cause a respiratory infection if inhaled?
  1. a.
    Candida albicans
  2. b.
    Histoplasma capsulatum
  3. c.
    Rhizopus stolonifera
  4. d.
    Trichophyton rubrum

Answer

B. Histoplasma capsulatum

5-9 §5.MC source ↗

Which polysaccharide found in red algal cell walls is a useful solidifying agent?
  1. a.
    chitin
  2. b.
    cellulose
  3. c.
    phycoerythrin
  4. d.
    agar

Answer

D. agar

5-10 §5.MC source ↗

Which is the term for the hard outer covering of some dinoflagellates?
  1. a.
    theca
  2. b.
    thallus
  3. c.
    mycelium
  4. d.
    shell

Answer

A. theca

5-11 §5.MC source ↗

Which protists are associated with red tides?
  1. a.
    red algae
  2. b.
    brown algae
  3. c.
    dinoflagellates
  4. d.
    green algae

Answer

C. dinoflagellates

5-12 §5.MC source ↗

You encounter a lichen with leafy structures. Which term describes this lichen?
  1. a.
    crustose
  2. b.
    foliose
  3. c.
    fruticose
  4. d.
    agarose

Answer

B. foliose

5-13 §5.MC source ↗

Which of the following is the term for the outer layer of a lichen?
  1. a.
    the cortex
  2. b.
    the medulla
  3. c.
    the thallus
  4. d.
    the theca

Answer

A. the cortex

5-14 §5.MC source ↗

The fungus in a lichen is which of the following?
  1. a.
    a basidiomycete
  2. b.
    an ascomycete
  3. c.
    a zygomycete
  4. d.
    an apicomplexan

Answer

B. an ascomycete

5-15 §5.FITB source ↗

The plasma membrane of a protist is called the __________.

Answer

plasmalemma

5-16 §5.FITB source ↗

Animals belong to the same supergroup as the kingdom __________.

Answer

Fungi

5-17 §5.FITB source ↗

Flukes are in class _________.

Answer

Trematoda

5-18 §5.FITB source ↗

A species of worm in which there are distinct male and female individuals is described as _________.

Answer

dioecious

5-19 §5.FITB source ↗

Nonseptate hyphae are also called _________.

Answer

coenocytic

5-20 §5.FITB source ↗

Unicellular fungi are called _________.

Answer

yeasts

5-21 §5.FITB source ↗

Some fungi have proven medically useful because they can be used to produce _________.

Answer

antibiotics

5-22 §5.FITB source ↗

Structures in chloroplasts used to synthesize and store starch are called ________.

Answer

pyrenoids

5-23 §5.FITB source ↗

Algae with chloroplasts with three or four membranes are a result of ________ ________.

Answer

secondary endosymbiosis

Loading chapter 6…

Problems and answers are adapted from Microbiology by Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister and Brian M. Forster, OpenStax, and are used under the CC BY-NC-SA 4.0 licence. Access for free at https://openstax.org/books/microbiology/pages/1-introduction. Illustrations: Copyright Rice University, OpenStax, under CC BY-NC-SA 4.0 license. This adaptation is released under the same licence, is non-commercial, and is neither affiliated with nor endorsed by OpenStax or Rice University.