chapter: microbial nutrition and growth

chapter: microbial nutrition and growth

University

35 Qs

quiz-placeholder

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chapter: microbial nutrition and growth

chapter: microbial nutrition and growth

Assessment

Quiz

Biology

University

Easy

Created by

michela minutillo

Used 2+ times

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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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