Foodborne pathogens MCQs December 27, 2025August 2, 2024 by u930973931_answers 46 min Score: 0 Attempted: 0/46 Subscribe 1. Which pathogen is commonly associated with undercooked poultry and causes symptoms like diarrhea and abdominal cramps? (A) Campylobacter jejuni (B) Salmonella enterica (C) Escherichia coli (D) Listeria monocytogenes 2. Which bacteria are known to cause botulism, a serious foodborne illness? (A) Clostridium botulinum (B) Clostridium perfringens (C) Bacillus cereus (D) Listeria monocytogenes 3. Which pathogen is often found in raw milk and can cause severe illness in pregnant women, the elderly, and immunocompromised individuals? (A) Salmonella enterica (B) Escherichia coli O157 (C) Staphylococcus aureus (D) Listeria monocytogenes 4. Which bacteria are known for causing food poisoning from fried rice and can lead to nausea and vomiting? (A) Staphylococcus aureus (B) Vibrio cholerae (C) Clostridium perfringens (D) Bacillus cereus 5. Which pathogen is commonly associated with raw or undercooked seafood and can cause gastroenteritis? (A) Campylobacter jejuni (B) Salmonella typhimurium (C) Vibrio parahaemolyticus (D) Escherichia coli 6. Which bacteria is known for causing severe diarrhea and is often associated with contaminated water? (A) Vibrio cholerae (B) Escherichia coli (C) Shigella dysenteriae (D) Clostridium botulinum 7. Which pathogen can cause hemolytic uremic syndrome (HUS) and is often linked to undercooked ground beef? (A) Escherichia coli O157 (B) Salmonella enterica (C) Listeria monocytogenes (D) Campylobacter jejuni 8. Which bacteria are associated with causing severe gastrointestinal illness from raw or undercooked eggs? (A) Clostridium perfringens (B) Salmonella enterica (C) Staphylococcus aureus (D) Vibrio parahaemolyticus 9. Which pathogen is known for its association with deli meats and soft cheeses and can cause flu-like symptoms? (A) Listeria monocytogenes (B) Bacillus cereus (C) Staphylococcus aureus (D) Vibrio cholerae 10. Which pathogen is a major cause of foodborne illness and can be found in undercooked ground beef and unpasteurized milk? (A) Campylobacter jejuni (B) Salmonella enterica (C) Escherichia coli O157 (D) Clostridium perfringens 11. Which pathogen is commonly found in contaminated water and shellfish, causing gastroenteritis? (A) Vibrio cholerae (B) Shigella sonnei (C) Bacillus cereus (D) Campylobacter jejuni 12. Which pathogen can cause severe food poisoning from improperly stored cooked meats and is known for its rapid onset of symptoms? (A) Clostridium perfringens (B) Bacillus cereus (C) Vibrio parahaemolyticus (D) Staphylococcus aureus 13. Which bacteria are often associated with causing traveler’s diarrhea and are commonly found in contaminated water? (A) Campylobacter jejuni (B) Salmonella enterica (C) Escherichia coli (D) Listeria monocytogenes 14. Which bacteria is commonly found in poultry and can cause a range of illnesses from mild gastroenteritis to severe septicemia? (A) Clostridium perfringens (B) Vibrio cholerae (C) Shigella dysenteriae (D) Salmonella enterica 15. Which pathogen is known for causing severe abdominal cramps, diarrhea, and fever, and is often linked to raw or undercooked meats? (A) Shigella dysenteriae (B) Bacillus cereus (C) Escherichia coli (D) Campylobacter jejuni 16. Which bacteria are associated with a form of foodborne illness characterized by the rapid onset of vomiting and nausea, commonly from dairy products? (A) Clostridium perfringens (B) Vibrio cholerae (C) Bacillus cereus (D) Staphylococcus aureus 17. Which pathogen is known for its role in causing severe gastroenteritis and is typically found in raw vegetables and contaminated water? (A) Bacillus cereus (B) Vibrio cholerae (C) Escherichia coli (D) Shigella sonnei 18. Which pathogen is a common cause of foodborne illness in raw and undercooked seafood, often causing diarrhea and abdominal pain? (A) Bacillus cereus (B) Listeria monocytogenes (C) Vibrio parahaemolyticus (D) Clostridium botulinum 19. Which bacteria is associated with causing foodborne illness from improperly canned foods and can produce toxins leading to paralysis? (A) Bacillus cereus (B) Escherichia coli (C) Clostridium botulinum (D) Salmonella enterica 20. Which pathogen is commonly found in raw meats and can lead to the development of severe gastrointestinal infections? (A) Clostridium perfringens (B) Bacillus cereus (C) Campylobacter jejuni (D) Listeria monocytogenes 21. Which microorganism is responsible for the fermentation process in the production of sauerkraut? (A) Clostridium perfringens (B) Staphylococcus aureus (C) Escherichia coli (D) Lactobacillus plantarum 22. Which pathogen can cause severe diarrhea and is commonly associated with eating contaminated poultry products? (A) Bacillus cereus (B) Shigella dysenteriae (C) Campylobacter jejuni (D) Vibrio cholerae 23. Which pathogen is known for causing severe illness from undercooked beef and can lead to hemolytic uremic syndrome (HUS)? (A) Escherichia coli O157 (B) Clostridium botulinum (C) Salmonella enterica (D) Bacillus cereus 24. Which pathogen is commonly found in unpasteurized milk and can cause severe infections in vulnerable populations? (A) Listeria monocytogenes (B) Vibrio parahaemolyticus (C) Staphylococcus aureus (D) Campylobacter jejuni 25. Which bacteria are known to cause foodborne illness from contaminated seafood, often resulting in symptoms such as diarrhea and vomiting? (A) Vibrio parahaemolyticus (B) Clostridium perfringens (C) Escherichia coli (D) Bacillus cereus 26. Which pathogen is often found in improperly canned foods and can lead to life-threatening botulism? (A) Clostridium botulinum (B) Salmonella enterica (C) Bacillus cereus (D) Vibrio cholerae 27. Which pathogen is associated with gastrointestinal illness from contaminated water and raw vegetables, often causing diarrhea? (A) Escherichia coli (B) Vibrio cholerae (C) Salmonella enterica (D) Shigella sonnei 28. Which bacteria are often found in improperly stored meat and can cause symptoms such as nausea and diarrhea? (A) Clostridium perfringens (B) Bacillus cereus (C) Escherichia coli (D) Staphylococcus aureus 29. Which pathogen can cause severe illness when consuming raw or undercooked seafood and is known for its rapid onset of symptoms? (A) Listeria monocytogenes (B) Campylobacter jejuni (C) Vibrio parahaemolyticus (D) Bacillus cereus 30. Which microorganism is known for causing foodborne illness from improperly stored dairy products and can lead to gastrointestinal symptoms? (A) Clostridium botulinum (B) Staphylococcus aureus (C) Escherichia coli (D) Vibrio cholerae 31. Which pathogen is commonly associated with foodborne illness from raw poultry and can cause symptoms like abdominal cramps and diarrhea? (A) Salmonella enterica (B) Bacillus cereus (C) Campylobacter jejuni (D) Listeria monocytogenes 32. Which bacteria can cause foodborne illness from improperly stored cooked meats and is known for its rapid onset of symptoms? (A) Vibrio cholerae (B) Clostridium perfringens (C) Staphylococcus aureus (D) Bacillus cereus 33. Which pathogen is known for causing severe gastrointestinal symptoms from consuming contaminated raw vegetables and fruits? (A) Campylobacter jejuni (B) Shigella sonnei (C) Escherichia coli (D) Vibrio parahaemolyticus 34. Which bacteria is often linked to raw or undercooked seafood and can cause gastroenteritis with symptoms of diarrhea and vomiting? (A) Clostridium botulinum (B) Vibrio parahaemolyticus (C) Staphylococcus aureus (D) Bacillus cereus 35. Which pathogen is known for causing foodborne illness through contamination of dairy products and is especially dangerous for pregnant women? (A) Escherichia coli (B) Campylobacter jejuni (C) Listeria monocytogenes (D) Salmonella enterica 36. Which bacteria are often found in raw or undercooked beef and can cause symptoms ranging from mild diarrhea to severe hemorrhagic colitis? (A) Escherichia coli O157 (B) Salmonella enterica (C) Vibrio cholerae (D) Shigella dysenteriae 37. Which pathogen can cause foodborne illness from contaminated water and improperly processed foods, leading to severe dehydration? (A) Vibrio cholerae (B) Bacillus cereus (C) Listeria monocytogenes (D) Clostridium perfringens 38. Which microorganism is commonly associated with foodborne illness from improper handling of seafood and can cause symptoms like diarrhea and vomiting? (A) Bacillus cereus (B) Clostridium botulinum (C) Vibrio parahaemolyticus (D) Escherichia coli 39. Which bacteria are known to cause gastrointestinal symptoms from raw milk and undercooked meats, and can lead to serious illness in children? (A) Bacillus cereus (B) Vibrio cholerae (C) Shigella dysenteriae (D) Escherichia coli O157 40. Which pathogen can cause severe foodborne illness from contaminated dairy products and is known for its ability to grow at low temperatures? (A) Campylobacter jejuni (B) Listeria monocytogenes (C) Salmonella enterica (D) Staphylococcus aureus 41. Which microorganism is responsible for producing toxins in food and can cause symptoms like nausea and vomiting from contaminated dairy products? (A) Bacillus cereus (B) Clostridium perfringens (C) Vibrio parahaemolyticus (D) Staphylococcus aureus 42. Which pathogen is associated with foodborne illness from contaminated seafood and is known for causing gastrointestinal symptoms such as diarrhea? (A) Bacillus cereus (B) Escherichia coli (C) Clostridium botulinum (D) Vibrio parahaemolyticus 43. Which bacteria are commonly found in improperly stored cooked meats and can cause foodborne illness with rapid onset of symptoms? (A) Clostridium perfringens (B) Staphylococcus aureus (C) Bacillus cereus (D) Campylobacter jejuni 44. Which pathogen is often associated with foodborne illness from raw or undercooked seafood and can cause symptoms like vomiting and diarrhea? (A) Vibrio parahaemolyticus (B) Shigella dysenteriae (C) Clostridium botulinum (D) Salmonella enterica 45. Which bacteria are commonly linked to foodborne illness from contaminated water and undercooked meats, causing symptoms such as diarrhea and vomiting? (A) Clostridium perfringens (B) Salmonella enterica (C) Bacillus cereus (D) Escherichia coli 46. Which pathogen is known for causing foodborne illness from improperly processed foods and can lead to symptoms of nausea, vomiting, and diarrhea? (A) Campylobacter jejuni (B) Bacillus cereus (C) Clostridium botulinum (D) Vibrio cholerae