B1 1 Diet and Exercise

Question 0

What does a balanced diet consist of?

Answer 0

• Carbohydrates
• Proteins
• Fats
• Vitamins
• Minerals
• Fibre
• Water

Question 1

What is the metabolic rate?

Answer 1

The chemical reactions that take place in cells.

Question 2

What does malnourishment mean?

Answer 2

If you’re malnourished, you don’t have a balanced diet.

Question 3

What is the cause of deficiency diseases?

Answer 3

A lack of vitamin and mineral ions.

Question 4

Why do most athletes need a lot of energy?

Answer 4

They have a great deal of muscle tissue (muscle to fat ratio) so they need a lot of food to supply the energy that they need.

Question 5

What affects the amount of energy that you need?

Answer 5

• Exercise
• Metabolic rate
• Gender
• Age
• Temperature
• Inherited factors

Question 6

What’s the missing word?

In warmer countries, you need to eat … food. This is because you use less energy keeping your body temperature at a steady level.

Answer 6

Less.

Question 7

What happens when you take in more energy than you use?

Answer 7

The excess is stored as fat.

Question 8

What can fat act as?

Answer 8

• Protection for your internal organs
• Energy store
• Insulation

Question 9

Carrying too much weight is inconvenient. Being obese or overweight can lead to many problems.
Name a few:

Answer 9

• Type 2 diabetes
• High blood pressure
• Heart disease

Question 10

How can you reduce your weight?

Answer 10

• Cutting back the amount of food you eat. Especially the energy rich foods like biscuits
• Increase the amount of exercise you do

Question 11

EXAMINER’S TIP

Answer 11

The word malnourished can be used to describe people who do not have a balanced diet. They may have too little or too much food, or have a wrong combination of foods.

Question 12

What is cholesterol needed for?

Answer 12

• Cell membranes

* To make vital hormones

Question 13

What do inherited factors affect?

Answer 13

• The proportion of muscle to fat in your body

* The risk of heart disease as they influence the amount of cholesterol in your blood

Question 14

Why does exercise keep you healthy?

Answer 14

• You’re less likely to be overweight as you will be using more energy
• You’ll have more muscle tissue which will increase your metabolic rate
• Exercise helps keep the balance between the different types of cholesterol. The levels of good cholesterol goes up whereas the harmful cholesterol levels go down