Quiz
- What is a microorganism?
(a) A microorganism is a small organism that takes in and breaks down
food for energy and nutrients, excretes unused food as waste, and is
capable of reproduction.
(b) A microorganism is a small organism that causes diseases only in
plants.
(c) A microorganism is a small organism that causes diseases only in
animals.
(d) A microorganism is a term that refers to a cell. - What is a pathogenic microorganism?
(a) A microorganism that multiplies
(b) A microorganism that grows in a host
(c) A microorganism that is small
(d) A disease-causing microorganism - Name the parts of this microorganism using the nomenclature system:
Mycobacterium tuberculosis.
(a) A bacterium is a one-cell organism that does not have a distinct
nucleus.
(b) Mycobacteriumis the presemous and tuberculosisis the specific
postsemous.
(c) Mycobacteriumis the epithet and tuberculosisis the specific genus.
(d) Mycobacteriumis the genus and tuberculosisis the specific epithet. - Why is a bacterium called a prokaryotic organism?
(a) A bacterium is a one-cell organism that does not have a distinct
nucleus.
(b) A bacterium is a one-cell organism that has a distinct nucleus.
(c) A bacterium is a multicell organism that does not have a distinct
nucleus.
(d) A bacterium is a multicell organism that has a distinct nucleus. - Why is a fungus called a eukaryotic microorganism?
(a) Fungus has cells that have a nucleus, nuclear envelope, cytoplasm,
and organelles.
CHAPTER 1 The World of the Microorganism^19