Question 1

One distinguishing characteristic of the archaea is that they live in extreme environments.

Accepted Answer

A) True 
 B)False

Question 2

Recently Zika virus has been in the news, with many cases in Central and South America and increasing numbers of cases in the southern United States.Five years ago this virus was essentially unheard of in these areas.This is an example of

Accepted Answer

A)  an endemic virus.
B)  an emerging infectious disease.
C)  genetic recombination.
D)  a pandemic.E) All of the above
F) B) and D)

Question 3

During a scientific experiment, the control group is used to directly test or measure the consequences of a variable in the study.

Accepted Answer

A) True 
 B)False

Question 4

When humans manipulate the genes of microorganisms the process is called3-7-2013

Accepted Answer

A)  bioremediation.
B)  genetic engineering.
C)  epidemiology.
D)  immunology.
E)  taxonomy.F) A) and E)
G) D) and E)

Question 5

The fossil record has established that prokaryotes existed on Earth for approximately two billion years before eukaryotes appeared.

Accepted Answer

A) True 
 B)False

Question 6

The surgeon who advocated using disinfectants on hands and in the air prior to surgery was

Accepted Answer

A)  Joseph Lister.
B)  Ignaz Semmelweis.
C)  Robert Koch.
D)  Louis Pasteur.
E)  Antonie van Leeuwenhoek.F) A) and E)
G) A) and C)

Question 7

Discuss what might be three different beneficial consequences and three different detrimental consequences of killing all microorganisms on the Earth.

Accepted Answer

Three different beneficial consequences ...

Question 8

Which scientist showed that anthrax was caused by the bacterium Bacillus anthracis?

Accepted Answer

A)  Joseph Lister
B)  Ignaz Semmelweis
C)  Robert Koch
D)  Louis Pasteur
E)  Antonie van LeeuwenhoekF) B) and E)
G) B) and D)

Question 9

The scientific method involves formulating a tentative explanation, called the hypothesis, to account for what has been observed or measured.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is the correct way to write the scientific name of this bacterium?

Accepted Answer

A)  Staph Aureus
B)  Staphylococcus Aureus
C)  Staphylococcus aureus.
D)  Staphylococcus Aureus..
E)  S.Aureus,F) All of the above
G) B) and C)

Question 11

Which of the following lists the correct descending taxonomic hierarchy (left to right) ?

Accepted Answer

A)  family, order, class
B)  family, genus, species
C)  genus, species, family
D)  class, phylum, order
E)  kingdom, domain, phylumF) C) and E)
G) B) and D)

Question 12

Which of the following are the main decomposers of the Earth?

Accepted Answer

A)  bacteria and fungi
B)  bacteria and viruses
C)  algae and viruses
D)  protists and fungi
E)  All organisms are decomposers.F) B) and D)
G) A) and D)

Question 13

In Whittaker's system, the protozoa and algae are classified in the kingdom

Accepted Answer

A)  Monera.
B)  Protista.
C)  Mycetae.
D)  Plantae.
E)  Animalia.F) B) and D)
G) A) and B)

Question 14

The names of the three proposed domains are: Bacteria, Protista, Eukarya.

Accepted Answer

A) True 
 B)False

Question 15

In which of the following conditions is(are)  microbial infection often implicated as a cause?

Accepted Answer

A)  gastric ulcers
B)  female infertility
C)  coronary artery disease
D)  cervical cancer
E)  All of these choices are correct.F) All of the above
G) D) and E)

Question 16

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Accepted Answer

A) True 
 B)False

Question 17

When assigning a scientific name to an organism,

Accepted Answer

A)  the species name is capitalized.
B)  the species name is placed first.
C)  the species name can be abbreviated.
D)  both genus and species names are capitalized.
E)  both genus and species names are italicized or underlined.F) B) and E)
G) C) and D)

Question 18

Disease-causing microorganisms are called

Accepted Answer

A)  decomposers.
B)  prokaryotes.
C)  pathogens.
D)  eukaryotes.
E)  fermenters.F) A) and D)
G) B) and D)

Question 19

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Accepted Answer

A)  Viruses cause human disease.
B)  Vruses are composed of cells that lack nuclei.
C)  Viruses cannot be seen without an electron microscope.
D)  Viruses contain genetic material.
E)  Viruses lack cell structure.F) A) and B)
G) A) and C)

Question 20

The scientific field called _____ is involved in the identification, classification, and naming of organisms.

Accepted Answer

The answer of The scientific field called _____ is involved...

Exam 1: The Main Themes of Microbiology

Recently Zika virus has been in the news, with many cases in Central and South America and increasing numbers of cases in the southern United States.Five years ago this virus was essentially unheard of in these areas.This is an example of

Correct AnswerverifiedShow Answer

One distinguishing characteristic of the archaea is that they live in extreme environments.

Correct AnswerverifiedShow Answer

The surgeon who advocated using disinfectants on hands and in the air prior to surgery was

Correct AnswerverifiedShow Answer

Discuss what might be three different beneficial consequences and three different detrimental consequences of killing all microorganisms on the Earth.

Correct AnswerAnswered by ExamLex AIThree different beneficial consequences ...View AnswerShow Answer

Disease-causing microorganisms are called

Correct AnswerverifiedShow Answer

When humans manipulate the genes of microorganisms the process is called3-7-2013

Correct AnswerverifiedShow Answer

In Whittaker's system, the protozoa and algae are classified in the kingdom

Correct AnswerverifiedShow Answer

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Correct AnswerverifiedShow Answer

Which scientist showed that anthrax was caused by the bacterium Bacillus anthracis?

Correct AnswerverifiedShow Answer

The scientific field called _____ is involved in the identification, classification, and naming of organisms.

Correct AnswerverifiedShow Answer

During a scientific experiment, the control group is used to directly test or measure the consequences of a variable in the study.

Correct AnswerverifiedShow Answer

Which of the following are the main decomposers of the Earth?

Correct AnswerverifiedShow Answer

The scientific method involves formulating a tentative explanation, called the hypothesis, to account for what has been observed or measured.

Correct AnswerverifiedShow Answer

When assigning a scientific name to an organism,

Correct AnswerverifiedShow Answer

Which of the following lists the correct descending taxonomic hierarchy (left to right) ?

Correct AnswerverifiedShow Answer

The names of the three proposed domains are: Bacteria, Protista, Eukarya.

Correct AnswerverifiedShow Answer

The fossil record has established that prokaryotes existed on Earth for approximately two billion years before eukaryotes appeared.

Correct AnswerverifiedShow Answer

Which of the following is the correct way to write the scientific name of this bacterium?

Correct AnswerverifiedShow Answer

In which of the following conditions is(are) microbial infection often implicated as a cause?

Correct AnswerverifiedShow Answer

Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Three different beneficial consequences ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified