Question

Choose the microorganisms that are involved in yogurt production:

• A. Streptococcus thermophilus
• B. Lactobacillus bulgaricus
• C. E.coli
• D. Vibrio

Answer 1

Answer: (A), (B)

Lactobacillus bulgaricus

The correct options are A and B

Explanation of the correct options:

1. These are the microorganisms used in the manufacturing of yogurt.
2. These are the bacteria that convert the milk's lactose sugar to lactic acid.
3. Milk is changed into yogurt by this lactic acid.
4. Lactic acid is created as a byproduct of the bacterial fermentation of milk, which produces yogurt.
5. Milk protein is coagulated and milk lactose is converted to lactic acid by microorganisms like Streptococcus thermophilus and Lactobacillus bulgaricus.

Explanation of the incorrect option:

Option C:

1. Escherichia coli is a type of bacteria that can be found in the environment, food, and intestines of both humans and animals.
2. Some E. coli strains can cause diarrhoea, while others can cause pneumonia, lung infections, and other disorders.

Option D:

1. Cholera is an infection brought on by the Vibrio cholerae bacteria.
2. A toxin that the bacteria in the small intestine create is what causes the disease's lethal effects.
3. The toxin makes the body excrete a huge amount of water, which causes diarrhoea and a quick loss of salts and fluids (electrolytes)

Final answer: Microorganisms that are involved in yogurt production: Streptococcus thermophilus and Lactobacillus bulgaricus.