Probiotics: Quiz 1 & 2, Exam 1 Questions
with Complete Solutions (Latest 2025) Based on the energy and carbon source, most pathogens and
probiotics are: - Correct Answers ✅chemoheterotrophs
Based on the optimum temperature for growth, probiotics
are: - Correct Answers ✅mesophiles
The products of anaerobic respiration include: - Correct
Answers ✅acid and alcohol
spore-forming probiotic is: - Correct Answers ✅Bacillus
subtilis
Most commonly used probiotic yeast: - Correct Answers
✅Saccharomyces boulardii
The beneficial bacteria that helps prevent infant diarrhea is: -
Correct Answers ✅Bifidobacterium ___ are involved with food fermentation - Correct Answers ✅LAB/probiotics
Yeast ferments sugars into: - Correct Answers ✅alcohol
An organism actively growing in hot springs is called a: -
Correct Answers ✅hyperthermophile 1 / 2
Probiotics: Quiz 1 & 2, Exam 1 Questions
with Complete Solutions (Latest 2025) Neonates born via ____ have a different microbiome compared to infants delivered through ______. - Correct Answers ✅C-section; vaginal birth An organism actively dividing at a temperature of -10 to 20
degrees C is called a: - Correct Answers ✅psychrophile
Adjunct cultures are added to cheese to: - Correct Answers
✅flavor and taste
Direct fed microbials are probiotics meant for: - Correct
Answers ✅animals
Name 3 selection criteria for probiotics: - Correct Answers
✅not be pathogenic with regards to animals in general and human consumers; free of plasmid encoded antibiotic resistance genes; resistant to bile salts and low pH; adhere to and grow well in the intestinal mucus; colonize the intestinal epithelial surface; not die under normal storage conditions ******types of aerboic/anaerobic bacteria - Correct Answers ✅chart!!!!!name one antioxidant - Correct Answers ✅Vitamin C or E
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