
Microbial Growth and Biofilms Quiz

Quiz
•
Science
•
12th Grade
•
Medium
Standards-aligned
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Select the physical factors below that can affect microbial growth.
Temperature
Radiation (visible light, UV, gamma)
Barometric pressure
Extreme drying/dehydration
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Archaea, as a group, are not pathogens. This is because _______.
they evolved without mammals
mammals evolved special defenses against them
mammalian hosts do not meet their environmental requirements
they are outcompeted by natural flora
None of the choices are correct
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cultures of a bacterial species were incubated out on the incubator shelf, in an anaerobic jar, and in a candle jar. After incubation, there was moderate growth of cultures in the candle and anaerobic jars, but heavy growth of the culture on the incubator shelf. This species is a(n) _______.
obligate aerobe
obligate anaerobe
facultative anaerobe
microaerophile
capnophile
Tags
NGSS.HS-LS2-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The toxic superoxide ion is converted to harmless oxygen by two enzymes, _______.
catalase and hydrogen peroxidases
superoxide dismutase and hydrogen peroxidases
superoxide dismutase and catalase
catalase and oxidase
superoxide dismutase and oxidase
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An organism that respires using oxygen when it is present but can switch to an alternative anaerobic pathways when it is absent is a(n) _______.
aerotolerant anaerobe
obligate aerobe
facultative anaerobe
microaerophile
obligate anaerobe
Tags
NGSS.HS-LS2-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An organism that cannot grow without oxygen is a(n) _______.
aerotolerant anaerobe
obligate aerobe
facultative anaerobe
microaerophile
obligate anaerobe
Tags
NGSS.HS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A halophile would grow best in _______.
acid pools
freshwater ponds
hot geyser springs
arid, desert soil
salt lakes
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