Revieion

Question 1

What is the optimal temperature range for yeast fermentation?

Answer 1

The optimal temperature range for yeast fermentation is typically between 20°C to 30°C (68°F to 86°F).

Question 2

True or False: Yeast activity decreases significantly below 10°C (50°F).

Answer 2

True

Question 3

Fill in the blank: The temperature at which yeast begins to die is approximately _____°C.

Answer 3

60

Question 4

Which temperature is considered too high for yeast to thrive, often leading to a halt in fermentation?

Answer 4

Above 35°C (95°F)

Question 5

What is the effect of temperatures above 40°C (104°F) on yeast?

Answer 5

Temperatures above 40°C (104°F) can kill yeast cells and stop fermentation.

Question 6

What are the primary functions of fats in food products?

Answer 6

Fats provide flavor, texture, and satiety, and they also act as carriers for fat-soluble vitamins.

Question 7

True or False: All fats are harmful to health.

Answer 7

False

Question 8

Fill in the blank: Fats are classified into _____ and _____ fats.

Answer 8

saturated; unsaturated

Question 9

Which type of fat is typically solid at room temperature?

Answer 9

Saturated fat

Question 10

What role do fats play in the emulsification process of food?

Answer 10

Fats help to stabilize mixtures of water and oil, creating emulsions.

Question 11

What are fatty acids?

Answer 11

Fatty acids are long hydrocarbon chains with a carboxylic acid group at one end.

Question 12

True or False: Saturated fatty acids contain one or more double bonds in their carbon chain.

Answer 12

False

Question 13

Fill in the blank: Fatty acids can be classified as _____ or unsaturated based on the presence of double bonds.

Answer 13

saturated

Question 14

Which type of fatty acid is typically solid at room temperature?

Answer 14

Saturated fatty acids

Question 15

Name one essential fatty acid that the human body cannot synthesize.

Answer 15

Omega-3 fatty acid

Question 16

What is the main structural difference between saturated and unsaturated fats?

Answer 16

Saturated fats have no double bonds between carbon atoms, while unsaturated fats contain one or more double bonds.

Question 17

True or False: Saturated fats are typically solid at room temperature.

Answer 17

True

Question 18

Fill in the blank: Unsaturated fats are commonly found in _____ oils.

Answer 18

vegetable

Question 19

Which type of fat is generally considered healthier: saturated or unsaturated?

Answer 19

Unsaturated fats are generally considered healthier.

Question 20

What effect do saturated fats have on cholesterol levels in the body?

Answer 20

Saturated fats can raise LDL (bad) cholesterol levels.