Microbiology Chapter 1 Test Bank EXAM PRACTICE QUESTIONS AND
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Which of the following statement 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 cytoplasmic membrane.
CORRECT ANS: C. Microbial cells include both bacteria and viruses
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.
CORRECT ANS: A. Microorganisms are significant contributors to the total biomass of the Earth
Differential selection and decent with modification occurs during a process called
A) cellular differentiation.
B) evolution.
C) growth.
D) transformation.
CORRECT ANS: B. evolution
,In what/which domain(s) of life is/are microorganisms represented?
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, Bacteria, and Eukarya
CORRECT ANS: D. Archaea, Bacteria, and Eukarya
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.
CORRECT ANS: D. enzymes
Regarding early life on Earth,
A) microbial life existed for billions of years before plant and animal life.
B) microbial life existed long before animals but has been around for about the same amount of
time as plants.
C) microbial life, plant life, and animal life all appeared at about the same time.
D) it is impossible to determine which type of life first appeared.
CORRECT ANS: A. microbial life existed for billions of years before plant and animal life.
The person who described the "wee animalcules" was
A) Robert Hooke.
B) Antoni van Leeuwenhoek.
C) Louis Pasteur.
, D) Ferdinand Cohn.
CORRECT ANS: B. Antoni van Leeuwenhoek
Walther Hesse and ________ pioneered the use of agar as a solidifying agent. A) Louis Pasteur
B) Ferdinand Cohn
C) Robert Koch
D) Sergei Winogradsky
CORRECT ANS: C. Robert Koch
Which of the following is/are characteristic of all cellular organisms?
A) Communication
B) Evolution
C) Motility
D) Communication, evolution, and motility
CORRECT ANS: B. Evolution
Deduce why viruses are excluded from the ribosomal RNA-based tree of life.
A) Some viruses contain multiple strands of RNA.
B) Their genetic elements cannot be sequenced.
C) They can infect other organisms, which complicates the genetic comparisons.
D) They lack ribosomal RNA (rRNA).
CORRECT ANS: D. They lack ribosomal RNA (rRNA)
Louis Pasteur developed the vaccine(s) for
A) anthrax only.
B) fowl cholera only.
ANSWERS THE MOST RECENT AND COMPREHENSIVE VERSION WITH
VERIFIED ANSWERS GUARANTEED PASS WITH INSTANT PDF
DOWNLOAD.
Which of the following statement 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 cytoplasmic membrane.
CORRECT ANS: C. Microbial cells include both bacteria and viruses
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.
CORRECT ANS: A. Microorganisms are significant contributors to the total biomass of the Earth
Differential selection and decent with modification occurs during a process called
A) cellular differentiation.
B) evolution.
C) growth.
D) transformation.
CORRECT ANS: B. evolution
,In what/which domain(s) of life is/are microorganisms represented?
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, Bacteria, and Eukarya
CORRECT ANS: D. Archaea, Bacteria, and Eukarya
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.
CORRECT ANS: D. enzymes
Regarding early life on Earth,
A) microbial life existed for billions of years before plant and animal life.
B) microbial life existed long before animals but has been around for about the same amount of
time as plants.
C) microbial life, plant life, and animal life all appeared at about the same time.
D) it is impossible to determine which type of life first appeared.
CORRECT ANS: A. microbial life existed for billions of years before plant and animal life.
The person who described the "wee animalcules" was
A) Robert Hooke.
B) Antoni van Leeuwenhoek.
C) Louis Pasteur.
, D) Ferdinand Cohn.
CORRECT ANS: B. Antoni van Leeuwenhoek
Walther Hesse and ________ pioneered the use of agar as a solidifying agent. A) Louis Pasteur
B) Ferdinand Cohn
C) Robert Koch
D) Sergei Winogradsky
CORRECT ANS: C. Robert Koch
Which of the following is/are characteristic of all cellular organisms?
A) Communication
B) Evolution
C) Motility
D) Communication, evolution, and motility
CORRECT ANS: B. Evolution
Deduce why viruses are excluded from the ribosomal RNA-based tree of life.
A) Some viruses contain multiple strands of RNA.
B) Their genetic elements cannot be sequenced.
C) They can infect other organisms, which complicates the genetic comparisons.
D) They lack ribosomal RNA (rRNA).
CORRECT ANS: D. They lack ribosomal RNA (rRNA)
Louis Pasteur developed the vaccine(s) for
A) anthrax only.
B) fowl cholera only.
