Deficiencies And Nutrients

Question 1

Why do we need carbohydrates?

Answer 1

For energy.

Question 2

Why do we need proteins?

Answer 2

For growth and repair.

Question 3

Why do we need lipids?

Answer 3

To store energy.

Question 4

Why do we need vitamins and minerals?

Answer 4

To keep the body healthy.

Question 5

What is malnutrition?

Answer 5

The lack of a certain nutrient(s)

Question 6

What nutrient is lacking if a person gets Night Blindness?

Answer 6

Vitamin A

Question 7

What nutrient is lacking for a person to get Beri-Beri?

Answer 7

Vitamin B.

Question 8

What nutrient is lacking if a person has scurvy?

Answer 8

Vitamin C.

Question 9

What nutrient is lacking if a person has Rickets?

Answer 9

Vitamin D.

Question 10

What nutrient is lacking if a person has Anaemia?

Answer 10

Iron.

Question 11

What nutrient is lacking if a person has Goitre?

Answer 11

Iodine.

Question 12

What colour does a food sample containing starch turn? What is used to test for it?

Answer 12

• blue/black. Neg. result=orange/yellow

- iodine solution

Question 13

What colour does a specimen containing lipids do when tested? What is used to test it?

Answer 13

• paper translucent.

- filter paper

Question 14

What does a specimen containing sugar do when tested? What is used?

Answer 14

• it turns orange/red. Neg result=blue

- Benedict’s solution

Question 15

What does a specimen containing protein do when tested? What is used?

Answer 15

• turns purple. Neg. result=clearing, i.e previous colour.

- copper sulphate(1), sodium hydroxide (2)