Brock Biology Of Microorganis 15th Edition by. Madigan Kelly S. Bender –Test Bank

Chapter 1 The Microbial World
1.1 Multiple Choice Questions
1) Which of the following statements is FALSE?
A) Microbial cells can exist as single cells.
B) Microbial cells carry out their life processes of growth independently.
C) Microbial cells include both bacteria and viruses.
D) Microbial cells are surrounded by a plasma membrane.
Answer: C
Bloom’s Taxonomy: 1-2: Remembering/Understanding
Chapter Section: 1.14
2) Which of the following statements is correct?
A) Microorganisms are significant contributors to the total biomass on Earth.
B) Microorganisms represent a much smaller amount of Earth’s biomass than plants.
C) Microorganisms represent a much smaller amount of Earth’s biomass than animals.
D) Microorganisms are significant in number, but not in overall biomass.
Answer: A
Bloom’s Taxonomy: 1-2: Remembering/Understanding
Chapter Section: 1.1
3) Differential selection and reproduction of phenotypes occurs during a process called
A) cellular differentiation.
B) evolution.
C) growth.
D) transformation.
Answer: B
Bloom’s Taxonomy: 1-2: Remembering/Understanding
Chapter Section: 1.2
4) In what/which domain(s) of life is/are microorganisms represented?
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, Bacteria, and Eukarya
Answer: D
Bloom’s Taxonomy: 1-2: Remembering/Understanding
Chapter Section: 1.3
2
5) Biological catalysts involved in the acceleration of the rate of chemical reactions are called
A) catalytic converters.
B) growth agents.
C) evolutionary molecules.
D) enzymes.
Answer: D
Bloom’s Taxonomy: 1-2: Remembering/Understanding
Chapter Section: 1.2