Micro Chapter 1 Question Preview (ID: 61838)
Micro Chapter 1.
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Microbes are associated with life-sustaining benefits as well as life-threatening diseases.
a) True
b) False
c)
d)
A student has obtained a sample of pond water for study. Using the high-power lens, he observes several cells with nuclei. He can conclude that the cells are NOT bacteria.
a) True
b) False
c)
d)
Penicillin was discovered by accident by
a) Alexander Fleming.
b) Paul Ehrlich.
c) Edward Jenner.
d) Robert Koch.
Which of the following findings was essential for Edward Jenner's vaccination process?
a) A weakened microorganism will not cause disease.
b) Someone who recovers from a disease will not acquire that disease again.
c) Exposure to a milder disease form may produce immunity.
d) Disease is caused by viruses.
Mycology is the study of
a) mycoplasma.
b) protozoa.
c) None of these
d) molds, yeast, and mushrooms.
Proof that a microbe could cause disease was provided by
a) Pasteur.
b) Koch.
c) Lister.
d) Semmelweis.
The arguments supporting spontaneous generation were finally disproved by Louis Pasteur.
a) True
b) False
c)
d)
Which of the following is NOT a domain in the three-domain system?
a) eukarya
b) bacteria
c) archaea
d) animalia
Viruses are not considered living organisms because they
a) are structurally very simple.
b) cannot reproduce by themselves.
c) can only be visualized using an electron microscope.
d) are ubiquitous in nature.
In the name Staphylococcus aureus, aureus is the
a) genus.
b) kingdom.
c) species.
d) family name.
The formal system for classifying and naming organisms was developed by
a) Carolus Linnaeus.
b) Louis Pasteur.
c) Robert Koch.
d) Ignaz Semmelweis.
The term used to describe a disease-causing microorganism is
a) microbe.
b) pathogen.
c) infection.
d) None of these
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