Food And Nutrition

Question 1

What are nutrients?

Answer 1

Food substances that provide raw materials

Question 2

Examples of nutrients

Answer 2

Carbohydrates, fats, proteins, vitamins and minerals

Question 3

What are the 2 main carbohydrates in food?

Answer 3

Starch and sugars

Question 4

What are liquid fats also called?

Answer 4

Oils

Question 5

What does fibre do?

Answer 5

Made of plant cell walls and helps to keep us healthy by moving food through the intestines (stopping blockage)

Question 6

Examples of food containing fibre

Answer 6

Wholewheat cereals and wholemeal bread

Question 7

What is the test for starch?

Answer 7

2 drops of iodine solution goes blue-black (if present)

Question 8

What is the test for protein?

Answer 8

5 drops of Biuret solution to a food sample- turns purple if present

Question 9

What is the test for fats?

Answer 9

Rub small dry food sample on white paper and hold up to the light- greasy mark if fat is present

Question 10

What is the body’s main source of energy?

Answer 10

Carbohydrates

Question 11

What is the amount of energy in food measured in?

Answer 11

Kilojoules (kJ)

Question 12

What is the name of the process that releases energy?

Answer 12

Respiration

Question 13

What do proteins help with? Examples of protein?

Answer 13

Growth and repair /meat, fish, eggs, cheese

Question 14

What do we need vitamins and minerals for?

Answer 14

Important for health/ can help with eyesight, skin, repair of bones, making red blood cells

Question 15

What is a balanced diet?

Answer 15

When your eating the right amounts of a wide variety of foods

Question 16

What is malnutrition?

Answer 16

Having too much or too little of a nutrient

Question 17

What can a lack of protein cause?

Answer 17

Kwashiorkor (pot belly)

Question 18

What can a lack of vitamin A cause?

Answer 18

Night blindness (not seeing well in dim light)

Question 19

What can a lack of vitamin C cause?

Answer 19

Scurvy (painful joints and bleeding gums)

Question 20

How is rickets caused? (Weak bones that don’t form properly)

Answer 20

Lack of calcium and vitamin D

Question 21

What are enzymes?

Answer 21

Substances that speed up the breaking down of large molecules

Question 22

What are catalysts?

Answer 22

Substances that speed up reactions