WGU OA D311 CERTIFICATION EXAM
QUESTIONS AND VERIFIED ANSWERS 2026
▶ Spontaneous generation. Answer: The hypothesis that living organisms
arise from nonliving material; a "vital force" forms life.
▶ Biogenesis. Answer: The hypothesis that they living organisms arise
from preexisting life.
▶ The Theory of Biogenesis. Answer: Pasteur's S-shaped flask kept
microbes out but let air in.
▶ In 1861, what did Louis Pasteur demonstrate?. Answer: That
microorganisms were present in the air.
▶ What was the Golden Age of Microbiology. Answer: 1857-1914
Beginning with Pasteur's work, discoveries included the relationship
between microbes and disease, immunity, and antimicrobial drugs.
▶ Fermentation. Answer: The conversion of sugar to alcohol to make beer
and wine
▶ Microbial growth is also responsible for the spoilage of food: True or
False. Answer: True
, ▶ What did Pasteur demonstrate about killing bacteria that spoiled food?.
Answer: It could be killed by heat that was not hot enough to evaporate the
alcohol in wine. (Pasteurization)
▶ Pasteurization. Answer: The application of a high heat for a short time to
sterilize and kill of the microorganisms.
▶ How was the first vaccination discovered?. Answer: In 1796, Edward
Jenner inoculated a person with cowpox virus, who was then protected
from small pox.
▶ Where does the word "Vaccination" come from?. Answer: It is derived
from "vacca," which means "cow"
▶ What is protection against disease called?. Answer: Immunity
▶ Chemotherapy. Answer: Treatment with chemicals
▶ Synthetic Drugs. Answer: Another name for antibiotics, they are
chemotherapeutic agents used to treat infectious disease
▶ Antibiotic. Answer: Chemicals produced by bacteria and fungi that inhibit
or kill other microbes
QUESTIONS AND VERIFIED ANSWERS 2026
▶ Spontaneous generation. Answer: The hypothesis that living organisms
arise from nonliving material; a "vital force" forms life.
▶ Biogenesis. Answer: The hypothesis that they living organisms arise
from preexisting life.
▶ The Theory of Biogenesis. Answer: Pasteur's S-shaped flask kept
microbes out but let air in.
▶ In 1861, what did Louis Pasteur demonstrate?. Answer: That
microorganisms were present in the air.
▶ What was the Golden Age of Microbiology. Answer: 1857-1914
Beginning with Pasteur's work, discoveries included the relationship
between microbes and disease, immunity, and antimicrobial drugs.
▶ Fermentation. Answer: The conversion of sugar to alcohol to make beer
and wine
▶ Microbial growth is also responsible for the spoilage of food: True or
False. Answer: True
, ▶ What did Pasteur demonstrate about killing bacteria that spoiled food?.
Answer: It could be killed by heat that was not hot enough to evaporate the
alcohol in wine. (Pasteurization)
▶ Pasteurization. Answer: The application of a high heat for a short time to
sterilize and kill of the microorganisms.
▶ How was the first vaccination discovered?. Answer: In 1796, Edward
Jenner inoculated a person with cowpox virus, who was then protected
from small pox.
▶ Where does the word "Vaccination" come from?. Answer: It is derived
from "vacca," which means "cow"
▶ What is protection against disease called?. Answer: Immunity
▶ Chemotherapy. Answer: Treatment with chemicals
▶ Synthetic Drugs. Answer: Another name for antibiotics, they are
chemotherapeutic agents used to treat infectious disease
▶ Antibiotic. Answer: Chemicals produced by bacteria and fungi that inhibit
or kill other microbes
