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Milk and Yogurt: A Tale of Two Cultures

Description: Milk and Yogurt: A Tale of Two Cultures
Number of Questions: 15
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Tags: milk yogurt dairy fermentation probiotics
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Milk is a natural source of which essential nutrient?

  1. Calcium

  2. Vitamin D

  3. Protein

  4. All of the above


Correct Option: D
Explanation:

Milk is a rich source of calcium, vitamin D, and protein, all of which are essential nutrients for human health.

What is the primary component of yogurt?

  1. Lactose

  2. Casein

  3. Whey

  4. Lactic acid


Correct Option: D
Explanation:

Yogurt is made by fermenting milk with lactic acid bacteria, which convert the lactose in milk into lactic acid.

Which type of bacteria is responsible for the fermentation of milk into yogurt?

  1. Streptococcus thermophilus

  2. Lactobacillus bulgaricus

  3. Both A and B

  4. None of the above


Correct Option: C
Explanation:

Yogurt is fermented by a combination of Streptococcus thermophilus and Lactobacillus bulgaricus bacteria.

What is the role of lactic acid bacteria in yogurt fermentation?

  1. Converting lactose into lactic acid

  2. Producing carbon dioxide gas

  3. Lowering the pH of milk

  4. All of the above


Correct Option: D
Explanation:

Lactic acid bacteria convert lactose into lactic acid, produce carbon dioxide gas, and lower the pH of milk during yogurt fermentation.

What is the typical pH range of yogurt?

  1. 3.5 - 4.5

  2. 4.5 - 5.5

  3. 5.5 - 6.5

  4. 6.5 - 7.5


Correct Option: A
Explanation:

The typical pH range of yogurt is between 3.5 and 4.5, which is acidic due to the presence of lactic acid.

Which of the following is not a common type of yogurt?

  1. Greek yogurt

  2. Icelandic yogurt

  3. Kefir

  4. Sour cream


Correct Option: D
Explanation:

Sour cream is a fermented dairy product, but it is not a type of yogurt.

What is the main difference between Greek yogurt and regular yogurt?

  1. Greek yogurt has a higher protein content

  2. Greek yogurt has a lower fat content

  3. Greek yogurt is strained to remove whey

  4. All of the above


Correct Option: D
Explanation:

Greek yogurt is made by straining regular yogurt to remove whey, resulting in a higher protein content, lower fat content, and thicker texture.

What are probiotics?

  1. Live microorganisms that provide health benefits

  2. Antioxidants that protect cells from damage

  3. Enzymes that help digest food

  4. Hormones that regulate bodily functions


Correct Option: A
Explanation:

Probiotics are live microorganisms that, when consumed in adequate amounts, can provide health benefits to the host.

Which of the following foods is a good source of probiotics?

  1. Yogurt

  2. Kefir

  3. Kombucha

  4. All of the above


Correct Option: D
Explanation:

Yogurt, kefir, and kombucha are all fermented foods that contain live probiotics.

What are some potential health benefits of consuming probiotics?

  1. Improved digestion

  2. Boosted immunity

  3. Reduced risk of certain diseases

  4. All of the above


Correct Option: D
Explanation:

Probiotics have been linked to a variety of health benefits, including improved digestion, boosted immunity, and reduced risk of certain diseases.

Which of the following is not a common flavor of yogurt?

  1. Vanilla

  2. Strawberry

  3. Chocolate

  4. Garlic


Correct Option: D
Explanation:

Garlic is not a common flavor of yogurt.

What is the recommended daily intake of yogurt?

  1. 1 cup

  2. 2 cups

  3. 3 cups

  4. 4 cups


Correct Option: A
Explanation:

The recommended daily intake of yogurt is 1 cup for adults.

Yogurt can be used as a substitute for which ingredient in baking?

  1. Butter

  2. Eggs

  3. Sour cream

  4. All of the above


Correct Option: D
Explanation:

Yogurt can be used as a substitute for butter, eggs, and sour cream in baking.

Which of the following is not a common type of yogurt drink?

  1. Lassi

  2. Ayran

  3. Kumis

  4. Horchata


Correct Option: D
Explanation:

Horchata is a plant-based drink made from rice, almonds, or other nuts, and is not a type of yogurt drink.

Yogurt has been a part of human diets for approximately how many years?

  1. 5,000 years

  2. 10,000 years

  3. 15,000 years

  4. 20,000 years


Correct Option: B
Explanation:

Yogurt has been a part of human diets for approximately 10,000 years.

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