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Exam Review Homework

Total questions: 38

Worksheet time: 19mins

Name
Class
Date
1.

What role does PH play during the Maillard reaction?

a)

It has no effect on browning

b)

The higher the PH, the faster browning occurs

c)

The lower the PH the faster the browning

d)

The higher PH prevents burning

2.

What is the role of salt in food preservation, especially when it comes to pickled vegetables?

a)

It makes the vegetables soggy

b)

It prevents mold

c)

It preserves the crunchiness of vegetables

d)

It preserves the color of the vegetables

3.

What is the role of moisture in the Maillard reaction?

a)

It changes the color

b)

It does nothing

c)

It slows the process down

d)

It adds flavor to the food

4.

Which of the following is NOT an example of food preservation?

a)

Drying

b)

Pickling

c)

Formaldehyde

d)

Freezing

5.

What is the acid in vinegar which helps to prevent growth of bad bacteria called?

a)

Hydrochloric acid

b)

Acetic acid

c)

Malic Acid

d)

Citric acid

6.

What are the good bacteria called as a result of fermentation?

a)

Streptococcus Pneumoniae

b)

Vibrio cholera

c)

Thermus aquaticus

d)

Probiotics

7.

At which temperate does caramelization start?

a)

190ºC

b)

Zero Kelvin

c)

160ºC

d)

160ºF

8.

What happens during the caramelization process when the temperature exceeds 190ºC?

a)

It becomes fairy dust

b)

The caramel turns black and becomes bitter

c)

The sugar evaporates

d)

It becomes more nutritious

9.

Which two nutrients are involved in the Maillard reaction?

a)

Fat and protein

b)

Sugar and fat

c)

Amino acids and sugar

d)

Vitamins and minerals

10.

Which of the following is NOT an example of the Maillard reaction?

a)

Seared steak

b)

Toast

c)

Caramelized onions

d)

Croissant

11.

Jerky is an example of the following preservation method:

a)

Freezing

b)

Irradiation

c)

Fermentation

d)

Drying

12.

What prevents growth of pathogens during FREEZING as a food preservation method?

a)

Salt

b)

Acidity

c)

Subzero temperatures

d)

Antibiotics

13.

Which process was responsible for the browning of the rolls?

a)

Fermentation

b)

Evaporation

c)

Caramelization

d)

Freezing

14.

The moisture content is the highest in:

a)

Row 1

b)

Row 2

c)

Row 3

d)

Row 4

15.

If vinegar was added to the dough, which row would have the most vinegar?

a)

Row 1

b)

Row 2

c)

Row 3

d)

Row 4

16.

Which row has the most baking soda added to it?

a)

Row 1

b)

Row 2

c)

Row 3

d)

Row 4

17.

The reaction responsible for the rich brown color is:

a)

Photosynthesis

b)

Fermentation

c)

Maillard reaction

d)

Hydrolysis

18.

If it was marinated in a sauce containing vinegar, the outcome (look) would be:

a)

the same

b)

different

c)

burnt

d)

uncooked

19.

If the outcome in 2. wouldn’t be the same, why not?

a)

Because the conditions have changed.

b)

Because the process is different.

c)

Because the variables are not controlled.

d)

Because the initial setup is altered.

20.

Which two nutrients were part of this reaction?

a)

Carbohydrates and proteins

b)

Fats and vitamins

c)

Proteins and minerals

d)

Water and fiber

21.

Which of the following are key safety rules for pickling food?

a)

Use sterilized jars, follow tested recipes, and ensure proper sealing.

b)

Use any type of container, add extra spices, and store at room temperature.

c)

Skip boiling water bath, use untested recipes, and reuse old lids.

d)

Store pickles in sunlight, use unwashed produce, and avoid measuring ingredients.

22.

Which of the following are examples of food that get their browning from the Maillard reaction?

a)

Bread crust, roasted coffee, seared steak, toasted marshmallows

b)

Boiled potatoes, raw apples, steamed rice, fresh lettuce

c)

Frozen peas, raw carrots, boiled eggs, fresh tomatoes

d)

Pickled cucumbers, raw onions, fresh grapes, steamed broccoli

23.

It is advisable to pat a steak dry with a paper towel before searing it because:

a)

It helps the steak cook faster.

b)

It prevents the steak from sticking to the pan.

c)

It allows for better browning and crust formation.

d)

It makes the steak more tender.

24.

What is a safe and effective way to clean wooden chopping boards without using harsh chemicals?

a)

Using hot soapy water and scrubbing with a brush

b)

Wiping with bleach solution

c)

Cleaning with strong detergents

d)

Soaking in ammonia

25.

The role of lactic acid in the natural fermentation process when we make pickled cucumbers is:

a)

To provide a sour taste and preserve the cucumbers

b)

To add sweetness to the cucumbers

c)

To make the cucumbers crunchy

d)

To remove all moisture from the cucumbers

26.

Which of the following are examples of food that have undergone the caramelization process?

a)

Bread, onions, crème brûlée, caramel sauce

b)

Rice, lettuce, raw apples, milk

c)

Boiled eggs, steamed broccoli, raw carrots, yogurt

d)

Pasta, cheese, raw fish, orange juice

27.

Which of the following are two major differences between the Maillard reaction and caramelization?

a)

Maillard reaction involves amino acids and reducing sugars, while caramelization involves only sugars; Maillard reaction occurs at lower temperatures than caramelization.

b)

Maillard reaction involves only sugars, while caramelization involves amino acids and sugars; Maillard reaction occurs at higher temperatures than caramelization.

c)

Maillard reaction involves amino acids and reducing sugars, while caramelization involves only sugars; Maillard reaction occurs at lower temperatures than caramelization.

d)

Maillard reaction involves only sugars, while caramelization involves only amino acids; Maillard reaction occurs at lower temperatures than caramelization.

28.

Below are the chemical formulas of three complex organic molecules which are formed during the caramelization process. Please write the name of each molecule next to the formula. C24H36O18 - ____________

a)

Isomaltose

b)

Maltotriose

c)

Leucrose

d)

Palatinose

29.

Below are the chemical formulas of three complex organic molecules which are formed during the caramelization process. Please write the name of each molecule next to the formula. C36H50O25 - ____________

a)

Maltotriose

b)

Isomaltose

c)

Leucrose

d)

Trehalulose

30.

Below are the chemical formulas of three complex organic molecules which are formed during the caramelization process. Please write the name of each molecule next to the formula. C125H188O80 - ____________

a)

Dextrin

b)

Cellulose

c)

Lactose

d)

Maltose

31.

Name the four reactants in 1., 2., 3., and 4. above? (Refer to the diagram showing C6H12O6 + heat = 3(H2O) + C6H6O3)

a)

1. Glucose (C6H12O6) 2. Heat 3. Water (H2O) 4. Hydroxymethylfurfural (C6H6O3)

b)

1. Sucrose (C12H22O11) 2. Light 3. Oxygen (O2) 4. Ethanol (C2H5OH)

c)

1. Fructose (C6H12O6) 2. Cold 3. Carbon dioxide (CO2) 4. Acetic acid (C2H4O2)

d)

1. Maltose (C12H22O11) 2. Electricity 3. Nitrogen (N2) 4. Methanol (CH3OH)

32.

This reaction is called:

a)

Addition reaction

b)

Substitution reaction

c)

Elimination reaction

d)

Redox reaction

33.

The reaction starts at which temperature?

a)

100°C

b)

200°C

c)

300°C

d)

400°C

34.

The temperature that is approximately the UPPER LIMIT for it NOT to result in a bitter, burnt taste and black color is:

a)

80°C

b)

90°C

c)

100°C

d)

120°C

35.

An increase in PH would:

a)

Accelerate the process

b)

Slow the process down

36.

Added moisture would:

a)

Accelerate the process

b)

Slow the process down

c)

Have no effect

d)

Stop the process completely

37.

Name two sweet dishes (desserts) in which this cooking process and resultant chemical reaction plays a role.

a)

Crème brûlée and caramel custard

b)

Pizza and pasta

c)

Grilled chicken and steak

d)

Sushi and sashimi

38.

Name one savory dish in which this cooking process and resultant chemical reaction plays a role.

a)

Grilled steak

b)

Fruit salad

c)

Vanilla ice cream

d)

Boiled rice