1) In microbiology, the term growth usually refers to an increase in

chapter: microbial nutrition and growth

Quiz
•
Biology
•
University
•
Easy
michela minutillo
Used 2+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) a microbe's size.
B) the number of microbial cells.
C) the amount of ATP produced.
D) the number and size of microbial cells.
E) the number and size of microbial cells and the amount of ATP produced.
Answer explanation
Bloom's Rank: Comprehension
Section: Growth Requirements
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2) A cell that uses an organic carbon source and obtains energy from light would be called a
A) photoheterotroph.
B) lithoautotroph.
C) photoautotroph.
D) chemoheterotroph.
E) chemoautotroph.
Answer explanation
Bloom's Rank: Comprehension
Section: Growth Requirements
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3) A(n) __________ organism is one that requires oxygen for growth.
A) anaerobic
B) facultative anaerobic
C) aerotolerant
D) obligate aerobic
E) both aerotolerant and anaerobic
Answer explanation
Bloom's Rank: Knowledge
Section: Growth Requirements
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4) An aquatic microbe that can grow only at the surface of the water is probably which of the
following?
A) a phototroph
B) a heterotroph
C) a chemotroph
D) a lithotroph
E) an anaerobe
Answer explanation
Bloom's Rank: Application
Section: Growth Requirements
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5) Which of the following forms of oxygen is detoxified by the enzyme catalase?
A) singlet oxygen
B) hydroxyl radical
C) peroxide anion
D) superoxide radical
E) molecular oxygen
Answer explanation
Bloom's Rank: Comprehension
Section: Growth Requirements
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6) All of the following are used to protect organisms from the toxic by-products of oxygen
EXCEPT
A) carotenoids.
B) superoxide dismutase.
C) peroxidase.
D) protease.
E) catalase.
Answer explanation
Bloom's Rank: Comprehension
Section: Growth Requirements
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7) A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)
A) obligate aerobe.
B) facultative anaerobe.
C) aerotolerant anaerobe.
D) microaerophile.
E) obligate anaerobe.
Answer explanation
Bloom's Rank: Application
Section: Growth Requirements
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