1|Page
PLPA 2003 MIDTERM EXAM 2025 QUESTIONS
AND 100% CORRECT ANSWERS |100%
GUARANTEED PASS.
What was the first domesticated plant?
A) Apple
B) Bottle Gourd
C) Wheat
D) Corn
B) Bottle Gourd
What was the first domesticated animal?
A) Dog
B) Cow
C) Chicken
D) Pig
A) Dog
Which of the following diseases is thought to have had an animal origin?
A) Common cold
B) Diptheria
C) Smallpox
D) Mumps
E) All of the above
E) All of the above
What is the likelihood of two individuals that each carry one copy of the sickle cell allele
(a recessive trait ie. SA) of having a child that has sickle cell anemia (SS)?
A) 0%
B) 25%
C) 50%
D) 100%
25%
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What does Leeuwenhoek use as a unit of scale?
A) Micrometers
B) Wood fibers
C) Cat whiskers
D) Sand
E) Ant legs
D) Sand
Which disease does the author give most credit to for enabling crucial discoveries in
genetics?
A) Plague
B) Pneumonia
C) Syphilis
D) AIDS
B) Pneumonia
Most scientists agree that malaria was brought to the Americas by the first human
migrants.
A) True
B) False
B) False, it was brought by Europeans
US. Which of the following statements best explains why that was true?
A) There were fewer animal hosts of malaria in New England
B) The New England population had a higher resistance to malaria
C) The life cycle of the pathogen is slowed in cooler weather
D) The mosquito vector was not present
C) The life cycle of the pathogen is slowed in cooler weather
According to the author, aside from malaria, what other disease significantly impcted
the traveling Scottish settlers on their way to Darien?
A) Yellow Fever
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B) Syphilis
C) Small Pox
D) Leprosy
E) Influenza
A) Yellow Fever
In which location does the author claim experienced the fastest rate of large animal
extinction after human contact?
A) Americas
B) Europe
C) Asia
D) Middle East
E) Africa
A) Americas
Which of the following was not specifically cited as a reason for increasing disease
pressure following the Neolithic Revolution?
A) Increase in waste build-up
B) Increasingly less active/physical life style
C) Close contact with domesticated animals
D) Higher population densities
B) Increasingly less active/physical life style
According to the author, fear of disease likely helped slow the rate of disease spread in
the population.
A) True
B) False
B) False
According to the author what is the minimum number of people needed in a city
environment to permanently maintain the presence of the measles virus?
A) 500,000
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B) 5,000
C) 50,000
D) 5,000,000
A) 500,000
According to the author what human development may have led to a significant
increase in the disease Schistosomiasis?
A) Cattle raising
B) Beer production
C) Sailing
D) The plough
E) Irrigation
E) Irrigation
What precaution did Pope Clement the VI take to protect himself from contracting the
plague?
A) Ate very spicy foods
B) Surrounded himself with fires
C) Moved to a mountain retreat
D) Drained his black bile weekly
B) Surrounded himself with fires
Which of the following was employed by Medieval Europeans in order to try to fight the
Black Death?
A) Antibiotics
B) Inoculation
C) Vaccination
D) Quarantine
E) Variolation
D) Quarantine
PLPA 2003 MIDTERM EXAM 2025 QUESTIONS
AND 100% CORRECT ANSWERS |100%
GUARANTEED PASS.
What was the first domesticated plant?
A) Apple
B) Bottle Gourd
C) Wheat
D) Corn
B) Bottle Gourd
What was the first domesticated animal?
A) Dog
B) Cow
C) Chicken
D) Pig
A) Dog
Which of the following diseases is thought to have had an animal origin?
A) Common cold
B) Diptheria
C) Smallpox
D) Mumps
E) All of the above
E) All of the above
What is the likelihood of two individuals that each carry one copy of the sickle cell allele
(a recessive trait ie. SA) of having a child that has sickle cell anemia (SS)?
A) 0%
B) 25%
C) 50%
D) 100%
25%
,2|Page
What does Leeuwenhoek use as a unit of scale?
A) Micrometers
B) Wood fibers
C) Cat whiskers
D) Sand
E) Ant legs
D) Sand
Which disease does the author give most credit to for enabling crucial discoveries in
genetics?
A) Plague
B) Pneumonia
C) Syphilis
D) AIDS
B) Pneumonia
Most scientists agree that malaria was brought to the Americas by the first human
migrants.
A) True
B) False
B) False, it was brought by Europeans
US. Which of the following statements best explains why that was true?
A) There were fewer animal hosts of malaria in New England
B) The New England population had a higher resistance to malaria
C) The life cycle of the pathogen is slowed in cooler weather
D) The mosquito vector was not present
C) The life cycle of the pathogen is slowed in cooler weather
According to the author, aside from malaria, what other disease significantly impcted
the traveling Scottish settlers on their way to Darien?
A) Yellow Fever
,3|Page
B) Syphilis
C) Small Pox
D) Leprosy
E) Influenza
A) Yellow Fever
In which location does the author claim experienced the fastest rate of large animal
extinction after human contact?
A) Americas
B) Europe
C) Asia
D) Middle East
E) Africa
A) Americas
Which of the following was not specifically cited as a reason for increasing disease
pressure following the Neolithic Revolution?
A) Increase in waste build-up
B) Increasingly less active/physical life style
C) Close contact with domesticated animals
D) Higher population densities
B) Increasingly less active/physical life style
According to the author, fear of disease likely helped slow the rate of disease spread in
the population.
A) True
B) False
B) False
According to the author what is the minimum number of people needed in a city
environment to permanently maintain the presence of the measles virus?
A) 500,000
, 4|Page
B) 5,000
C) 50,000
D) 5,000,000
A) 500,000
According to the author what human development may have led to a significant
increase in the disease Schistosomiasis?
A) Cattle raising
B) Beer production
C) Sailing
D) The plough
E) Irrigation
E) Irrigation
What precaution did Pope Clement the VI take to protect himself from contracting the
plague?
A) Ate very spicy foods
B) Surrounded himself with fires
C) Moved to a mountain retreat
D) Drained his black bile weekly
B) Surrounded himself with fires
Which of the following was employed by Medieval Europeans in order to try to fight the
Black Death?
A) Antibiotics
B) Inoculation
C) Vaccination
D) Quarantine
E) Variolation
D) Quarantine
