PLPA 2003 MIDTERM EXAM
QUESTIONS WITH
ACCURATE SOLUTIONS
, What does Leeuwenhoek use as a unit of scale?
a) micrometers
b) cat whiskers
c) wood fibers
d) ant legs
e) sand - CORRECT ANSWERS-Sand
Based on this letter, which of the following might most accurately be described as a
potential bias that would affect our interpretation of this primary historic account?
a) his fear of dogs
b) there are no indications of any of the potential biases
c) his hatred of the English
d) his very strong religious convictions
e) his distrust of female scientists - CORRECT ANSWERS-There are no indications of
any of the potential biases
Which of the following is NOT a sample type that Leeuwenhoek discusses in this letter?
a) human blood
b) snow-water
c) rain water
d) pepper
e) sea water - CORRECT ANSWERS-Human blood
Who was the first individual most credited with "discovering" that bacteria (and other
microbes) exist and what they look like as individual cells?
a) Robert Hooke
b) Louis Pasteur
c) Antonie Van Leeuwenhoek
d) Robert Koch - CORRECT ANSWERS-Antonie Van Leeuwenhoek
According to the author how have advances in bacteriology effected the demographics
of the United States.
a) aging
b) more homogenous
c) more youth
d) greater diversity - CORRECT ANSWERS-aging
What does the author describe as "the most successful of all microbes"?
a) mitochondria
b) nuclei
c) archaea
d) bacteria
e) viruses - CORRECT ANSWERS-mitochondria
QUESTIONS WITH
ACCURATE SOLUTIONS
, What does Leeuwenhoek use as a unit of scale?
a) micrometers
b) cat whiskers
c) wood fibers
d) ant legs
e) sand - CORRECT ANSWERS-Sand
Based on this letter, which of the following might most accurately be described as a
potential bias that would affect our interpretation of this primary historic account?
a) his fear of dogs
b) there are no indications of any of the potential biases
c) his hatred of the English
d) his very strong religious convictions
e) his distrust of female scientists - CORRECT ANSWERS-There are no indications of
any of the potential biases
Which of the following is NOT a sample type that Leeuwenhoek discusses in this letter?
a) human blood
b) snow-water
c) rain water
d) pepper
e) sea water - CORRECT ANSWERS-Human blood
Who was the first individual most credited with "discovering" that bacteria (and other
microbes) exist and what they look like as individual cells?
a) Robert Hooke
b) Louis Pasteur
c) Antonie Van Leeuwenhoek
d) Robert Koch - CORRECT ANSWERS-Antonie Van Leeuwenhoek
According to the author how have advances in bacteriology effected the demographics
of the United States.
a) aging
b) more homogenous
c) more youth
d) greater diversity - CORRECT ANSWERS-aging
What does the author describe as "the most successful of all microbes"?
a) mitochondria
b) nuclei
c) archaea
d) bacteria
e) viruses - CORRECT ANSWERS-mitochondria
