BY JOAN L. SLONCZEWSKI | QUESTIONS AND ANSWERS |2026
LATEST UPLOAD |ALREADY GRADED A+
Which of the following was NOT an aspect of Pasteur's experiments to disprove spontaneous
generation?
A. The necks of the flasks he used were bent into an S-shape
B. The flasks were free of microbes until they opened
C. He boiled the infusions to kill any microbes present.
D. The flasks were incubated for very long periods of time
E. The flasks he used were sealed with corks - ANSWER - The flasks he used were sealed with
corks
The study of the occurrence, distribution, and spread of disease is known as:
A. Biotechnology
B. Biochemistry
C. Serology
D. Immunology
E. Epidemiology - ANSWER - Epidemiology
Work by ________ laid the foundations of the field of environmental microbiology.
A. Beijerinck and Winogradsky
B. Pauling and Woes
C. Reid and Spallanzani
D. Lister and Semele’s
E. Koch and Pasteur - ANSWER - Beijerinck and Winogradsky
,What must one have before designing and conducting experiments?
A. A hypothesis
B. Popular opinion
C. A theory
D. Scientific law
E. A complete set of data - ANSWER - A hypothesis
Whose search for chemicals would kill microbes without harming humans was the foundation
for chemotherapy?
A. Ehrlich
B. Koch
C. Pasteur
D. Lister
E. Gram - ANSWER - Ehrlich
Antoni van Leeuwenhoek was the first person in history to
A. Disprove spontaneous generation
B. Use a magnifying glass
C. View microorganisms and record these observations
D. Use the germ theory of disease
E. develop a taxonomic system - ANSWER - View microorganisms and record these observations
Microorganisms characterized by the absence of a nucleus are called
A. Prokaryotes
B. Viruses
C. Pathogens
D. Fungi
, E. Eukaryotes - ANSWER - Prokaryotes
Robert Koch was involved in research on all of the following topics EXCEPT
A. The cause of fermentation
B. The cause of anthrax
C. Techniques for isolating microbes in the laboratory
D. The cause of tuberculosis
E. Development of a method to determine the cause of an infectious disease - ANSWER - The
cause of fermentation
The term for the use of microorganisms to restore damaged environments is
A. Epidemiology
B. Ecology
C. Serology
D. Chemotherapy
E. Bioremediation - ANSWER - Bioremediation
Which of the following is an INCORRECT pairing?
A. Fungi; cell walls
B. Protozoa; multicellular
C. Prokaryotes; no nuclei
D. Viruses; acellular parasites
E. Algae; aquatic and marine habitats - ANSWER - Protozoa; multicellular
The microbes commonly known as ________ are single-felled eukaryotes that are generally
motile
A. Viruses
B. Archaea