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Food for Thought Trivia Quiz

This a very basic introduction to food chemistry.

A multiple-choice quiz by percussionpro. Estimated time: 3 mins.

Author
percussionpro

Time
3 mins

Type
Multiple Choice

Quiz #
254,336

Updated
Feb 17 22

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
2532

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Which is NOT a main component of food? Hint

Protein

Minerals

Carbohydrates

Lipids

NEXT>

Question 2 of 10

2. What food component contributes 9 calories per gram? Hint

Carbohydrates

Water

Sugars

Lipids

NEXT>

Question 3 of 10

3. Which of the following contributes the fewest calories per gram? Hint

Carbohydrates

Fiber

Lipids

Proteins

NEXT>

Question 4 of 10

4. The two types of carbohydrates are organic and inorganic.

True

False

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Question 5 of 10

5. Which disaccharide is composed of glucose and fructose? Hint

Maltose

Sucrose

Lactose

Trehalose

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Question 6 of 10

6. What is the common name for sucrose? Hint

Salt

Sugar

Baking Soda

Baking Powder

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Question 7 of 10

7. What enzyme is used to break down starches? Hint

Protease

Lipase

Amylase

Carbohydrase

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Question 8 of 10

8. In an iodine-solution test for starch, what color will a sample turn if starch is present? Hint

Blue/black

Pink

Brown

Light blue

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Question 9 of 10

9. An unsaturated fat has double bonds.

True

False

NEXT>

Question 10 of 10

10. Of the following sugars, which produces carbon dioxide gas the fastest when it reacts with yeast? Hint

Glucose

Sucrose

Dextrose

Lactose

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Quiz Answer Key and Fun Facts

1. Which is NOT a main component of food?

Answer: Minerals

The four main food components are proteins, carbohydrates, water, and lipids.

2. What food component contributes 9 calories per gram?

Answer: Lipids

Carbohydrates contribute 4 calories per gram, as do sugars since they are carbohydrates, and water contributes 0 calories per gram.

3. Which of the following contributes the fewest calories per gram?

Answer: Fiber

Fiber contributes minimal calories per gram because the body does not digest and absorb fiber, although a small amount of soluble fiber can provide around 2 calories per gram, according to the FDA. Carbohydrates and proteins both contribute 4 calories per gram, and lipids contribute 9 calories per gram.

4. The two types of carbohydrates are organic and inorganic.

Answer: False

Carbohydrates can either be complex or simple.

5. Which disaccharide is composed of glucose and fructose?

Answer: Sucrose

Lactose is composed of galactose and glucose, maltose is composed of glucose and glucose, as is trehalose(lactose and trehalose are isomers).

6. What is the common name for sucrose?

Answer: Sugar

Sucrose, or sugar, is a disaccharide composed of glucose and fructose.

7. What enzyme is used to break down starches?

Answer: Amylase

Amyl- means starch in Latin, and -ase means enzyme in Latin.

8. In an iodine-solution test for starch, what color will a sample turn if starch is present?

Answer: Blue/black

If the test is negative, the sample is golden-brown.

9. An unsaturated fat has double bonds.

Answer: True

A polyunsaturated fat has multiple double bonds, and a monounsaturated fat has a single double bond. A saturated fat has the maximum number of hydrogen atoms it can hold, and has no double or triple bonds.

10. Of the following sugars, which produces carbon dioxide gas the fastest when it reacts with yeast?

Answer: Sucrose

Lactose produces no carbon dioxide, and sucrose produces the most.

Source: Author percussionpro

This quiz was reviewed by FunTrivia editor crisw before going online.
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