What is meant by the term homologous series?

1
CHEMISTRY DEPARTMENT WAID ACADEMY
Food and diet
2
The four main elements in the human body are

1. carbon, sulphur, nitrogen and hydrogen.
2. carbon, sulphur, oxygen and hydrogen.
3. carbon, nitrogen, oxygen and hydrogen.
4. sulphur, nitrogen, oxygen and hydrogen

3
The essential elements are present in the diet
and in the body as

1. elements in the diet and compounds in the body.
2. compounds in the diet and elements in the body
3. elements in the diet and elements in the body
4. compounds in the diet and compounds in the body.

4
The three essential compounds present in a
balanced diet are

1. Fats, proteins and hydrocarbons.
2. Proteins, carbohydrates and hydrocarbons.
3. Fats, proteins and carbohydrates.
4. Fats, carbohydrates and hydrocarbons.

5
More than 60 of body weight is made up of

1. protein.
2. water.
3. fat.
4. fibre.

6
Small amounts of iron are needed in a balanced
diet.The iron is used in the body to

1. make blood.
2. make teeth and bones.
3. make muscle.
4. protect the body against scurvy.

7
What is the most concentrated source of energy
in our diet?

1. Carbohydrates.
2. Proteins.
3. Fibre.
4. Fats and oils.

8
Which part of our diet is needed for body growth
and repair.

1. Carbohydrates
2. Proteins
3. Fibre
4. Fats and oils

9
Which type of substance present in a balanced
diet can be detected by a filter paper test?

1. Carbohydrates.
2. Proteins.
3. Fibre.
4. Fats and oils.

10
Which type of substance is broken down during
digestion into amino acids?

1. Carbohydrates.
2. Proteins.
3. Fibre.
4. Fats and oils.

11
Which type of substance in the diet keeps the gut
working and prevents constipation?

1. Carbohydrates.
2. Proteins.
3. Fibre.
4. Fats and oils.