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126. Koch's Postulates
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) All Microorganisms help keep humans healthy.
A
False
B
True
2) People previously thought that evil spirits made them sick.
A
True
B
False
3) Spontaneous generation means that things just appear out of thin air.
A
True
B
False
4) _______________theory was a created by Mr. Pasteur.
A
bacteria
B
fermentation
C
germ
D
wheat
5) infections from contact with microorganisms can lead to
A
regeneration
B
sickness
C
healthy bodies
D
spontaneous generation
6) _____ postulates contain four basic rules.
A
Newton
B
Koch
C
Lous
D
Pastuer
7) The second rule involves ________ the microbes outside of the host.
A
freezing
B
growing
C
killing
D
mutating
8) How did Koch test if microbes were causing diesase?
A
he exposed animals to microbes
B
he exposed humans to microbes
C
he studied independent microbes under a microscope
D
he ingested microbes
9) What do Koch's postulates test?
A
if a microbe is making a plant or animal sick
B
if a microbe is mutated
C
if a microbe is making a plant or animal healthy
D
if a microbe can spontaneously generate
10) What is Koch's 1st postulate?
A
The cultured microorganism should cause disease when introduced into a healthy organism.
B
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the
C
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
D
The microorganism must be isolated from a diseased organism and grown in pure culture.
11) What is Koch's 2nd postulate?
A
The cultured microorganism should cause disease when introduced into a healthy organism.
B
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the
C
The microorganism must be isolated from a diseased organism and grown in pure culture.
D
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
12) What is Koch's 3rd postulate?
A
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
B
The cultured microorganism should cause disease when introduced into a healthy organism.
C
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the
D
The microorganism must be isolated from a diseased organism and grown in pure culture.
13) What is Koch's 4th postulate?
A
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the
B
The cultured microorganism should cause disease when introduced into a healthy organism.
C
The microorganism must be isolated from a diseased organism and grown in pure culture.
D
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
*select an answer for all questions
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