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IB SEHS 3.1 Nutrition

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following is an example of a micronutrient?

a)

Lipid

b)

Protein

c)

Mineral

d)

Carbohydrate

2.

In what way do proteins differ in composition from carbohydrates? They contain

a)

Carbon

b)

Oxygen

c)

Hydrogen

d)

Nitrogen

3.

What is classified as a macronutrient?

a)

Fibre

b)

Water

c)

Lipid

d)

Minerals

4.

Which is an example of a macronutrient?

I. Lipid

II. Protein

III. Carbohydrate

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III only

5.

What is the main purpose of protein in the diet?

a)

As a primary energy source for aerobic activity

b)

As a primary energy source for anaerobic activity

c)

To repair and rebuild muscle fibres

d)

To provide insulin

6.

What is the main role of carbohydrate?

a)

To act as an insulator

b)

To regulate heart rate

c)

To act as an energy source

d)

To promote growth and repair

7.

Which micronutrient is a carbohydrate?

a)

Calcium

b)

Fibre

c)

Vitamin A

d)

Folic Acid

8.

What is a function of lipids?

a)

Build tissue

b)

Help digestion

c)

Provides insulation

d)

Strengthen bones

9.

What are the chemical composition and ratio of a glucose molecule?

a)

S, H and O (1:2:1 ratio)

b)

S, H and O (2:1:2 ratio)

c)

C, H and O (1:2:1 ratio)

d)

C, H and I (2:1:2 ratio)

10.

Which is the basic structure of a glucose molecule?

a)
b)
c)
d)
11.

Which of the following represents the structure of a lipid molecule

a)
b)
c)
d)
12.

Which diagram represents a reaction that forms a disaccharide?

a)
b)
c)
d)
13.

What is the maximum number of fatty acids that can be condensed with glycerol?

a)

One

b)

Two

c)

Three

d)

Four

14.

Which is an example of unsaturated fats?

a)

Coconut oil

b)

Full-fat dairy products

c)

Canola oil

d)

Meat products

15.

Which of these is an example of unsaturated fat?

a)

Cheese

b)

Sunflower oil

c)

Milk

d)

Coconut oil

16.

Which of the following is a true characteristic of unsaturated fat?

a)

Mainly found in meat and dairy sources

b)

Deposited on the artery walls

c)

No double bonds between carbon atoms

d)

Liquid at room temperature

17.

What is the chemical composition of a protein molecule?

a)

Oxygen and nitrogen

b)

Carbon, oxygen and nitrogen

c)

Hydrogen, nitrogen and carbon

d)

Carbon, hydrogen, oxygen and nitrogen

18.

What is the chemical composition of a protein molecule?

a)

C, H, O and N

b)

C, H, O (1:2:1 ratio)

c)

Glycerol and three fatty acids

d)

H, N and O

19.

What is the correct ratio of carbon, hydrogen and oxygen in a glucose molecule?

a)

1:2:1

b)

2:1:2

c)

2:3:2

d)

2:6:2

20.

Which statement describes a non-essential amino acid?

a)

A protein molecule that is made up of carbon, hydrogen and oxygen

b)

An amino acid that cannot be made in the body

c)

An amino acid that can be made in the body

d)

An amino acid not required to sustain life

21.

What is the daily recommended daily intake of salt for a healthy adult?

a)

0.6 g day

b)

1.0 g day

c)

6.0 g day

d)

10g day

22.

What needs to be considered when recommending a balanced diet?

I. Habitual physical activity level of the person

II. Age of the person

III. Climate where the person lives

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

23.

What is the approximate energy content per 100g of protein?

a)

1600 KJ

b)

1700 KJ

c)

3600 KJ

d)

3700 KJ

24.

What is the approximate energy content per 100g of protein?

a)

17.6 KJ

b)

172 KJ

c)

1720 KJ

d)

1760 KJ

25.

What is the energy content per 100g of a carbohydrate?

a)

1720 KJ

b)

1760 KJ

c)

4000 KJ

d)

17 600 KJ

26.

What is the function of protein?

a)

Primary source of energy

b)

Provide insulation under the skin

c)

Protect vital organs from impact

d)

Provide structure to build tissues

27.

Which describes a non-essential amino acid?

a)

They are broken down by digestion into fatty acids

b)

They can be synthesised by the human body

c)

They must be obtained from the diet

d)

They do not have nitrogen in their composition

28.

A condensation reaction can combine glucose molecules to form

I. Monosaccharides

II. Diasaccharides

III. Polysaccharides

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

29.

What is aerobic catabolism?

a)

A chemical reaction requiring oxygen to build larger molecules from smaller molecules in the presence of oxygen

b)

A chemical reaction requiring energy to build large molecules from smaller molecules in the absence of oxygen

c)

Chemical reactions that break down complex organic compounds into simpler compounds in the presence of oxygen

d)

Chemical reactions that break down complex organic compounds into simpler compounds in the absence of oxygen

30.

Which two hormones stimulate the breakdown of glycogen into glucose?

a)

Adrenaline and glucagon

b)

Glucagon and insulin

c)

Insulin and adrenaline

d)

Glucagon and growth hormone

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