S3 BI Ch2 Food Substances

Why do you need food? (Hint: There are more than one answer.)

• Food provides us with energy.

• Food provides us with raw materials for growth.

• Food provides us with oxygen for survival.

• Food provides us with nutrients for maintaining health.

Which of the following is not an essential food substance?

• Carbohydrates

• Dietary fibre

• Water

• Lipids

Which of the following are monosaccharides?

• glucose, galactose and fructose

• glucose, galactose and sucrose

• glucose, sucrose and lactose

• glucose, fructose and lactose

• A

• B

• C

• D

Which of the following diet is most suitable for a person suffering from constipation and anaemia?

• cheese, wholemeal bread and coffee

• fried eggs, white bread and milk

• beef, wholemeal bread and milk

• sausages, cookies and orange juice

Which of the following are the functions of proteins in our body? (Hint: There are more than one answer.)

• For growth

• For making antibodies

• For immune system to work properly

• For repair of body tissues

Iron is important for the formation of

• haemoglobin.

• bones and teeth.

• hair.

• skin.

A deficiency of vitamin A in humans may lead to

• scurvy.

• rickets.

• anaemia.

• night blindness.

• A

• B

• C

• D

Which of the following is the storage form of carbohydrates in animals?

• Cellulose

• Glucose

• Glycogen

• Starch