Ch 12.2

Question 1

Primary food substances include (1), (2) and (3).

Answer 1

carbohydrates, lipids, proteins

Question 2

Carbohydrates, lipids and proteins are (1).

Answer 2

primary food substances

Question 3

Protective food substances include (1), (2) and (3).

Answer 3

vitamins, minerals, dietary fibre

Question 4

Vitamins, minerals and dietary fibre are (1).

Answer 4

protective food substances

Question 5

Carbohydrates in the simple form are (1) while (2) in complex form.

Answer 5

sugar, starch

Question 6

Examples of sugars include (1), (2), (3) and (4).

Answer 6

glucose, fructose, sucrose, maltose

Question 7

Examples of food with starch are (1), (2) and (3).

Answer 7

potatoes, bread, rice

Question 8

Lipids are in forms of either (1) or (2).

Answer 8

oil, fat

Question 9

Oil is usually found in (1).

Answer 9

plants

Question 10

Fat is usually found in (1).

Answer 10

animals

Question 11

Examples of food rich in fat are (1), (2), (3) and (4).

Answer 11

cheese, lard, butter, meat

Question 12

Examples of oil are (1), (2) and (3).

Answer 12

peanut oil, canola oil, corn oil

Question 13

Lipids can release energy. (Function of (1))

Answer 13

energy storage

Question 14

Lipids can keep us warm as a (1) of heat under the (2). (Function of keeping warm)

Answer 14

insulator, skin

Question 15

Lipids can protect (1) against (2). (Function of protecting organs)

Answer 15

internal organs, shock

Question 16

Lipids are a major component of (1). (Function of forming things)

Answer 16

cell membranes

Question 17

Proteins are essential for (1) and (2) of our body tissues.

Answer 17

growth, repair

Question 18

Examples of food rich in proteins are (1), (2), (3), (4), (5) and (6).

Answer 18

milk, cheese, meat, nuts and beans, egg, fish

Question 19

(1) are diseases led to when lacking certain food substances.

Answer 19

Deficiency diseases

Question 20

(1) have no energy value.

Answer 20

Vitamins / Minerals / Dietary fibre

Question 21

Vitamins, dietary fibre and minerals have no (1).

Answer 21

energy value

Question 22

Vitamins promote (1), regulate (2) and strength (3).

Answer 22

growth, metabolism, immunity

Question 23

The function of Vitamin A: (1) in (2), strengthen (3)

Deficiency diseases: (4)

Answer 23

vision, dim light, immunity, night blindness

Question 24

The function of Vitamin C: healthy (1) and (2), healing of (3)
Deficiency diseases: (4)

Answer 24

gums, skin, wounds, scurvy

Question 25

The function of Vitamin D: strong (1) and (2)

Deficiency diseases: (3)

Answer 25

bones, teeth, rickets

Question 26

Minerals regulate (1) to form (2)

Answer 26

metabolism, body tissues

Question 27

The function of Calcium: build (1) and (2), (3)

Deficiency diseases: (4) or (5)

Answer 27

bones, teeth, blood clotting, rickets (children), osteoporosis

Question 28

The function of Iron: Make (1) in (2)

Deficiency diseases: (3): (4) skin, (5) and (6)

Answer 28

haemoglobins, red blood cells, anaemia, pale, fainting, tiredness

Question 29

The function of Iodine: maintain functions of (1)

Deficiency diseases: (2): (3)

Answer 29

thyroid gland, goitre, swollen thyroid gland

Question 30

Dietary fibre is found in (1) and cannot be (2).

Answer 30

plants’ cell walls, digested

Question 31

(1) is the process when food in the intestine is pushed forwards by the muscles contractions.

Answer 31

Peristalsis

Question 32

Peristalsis helps prevent (1).

Answer 32

constipation

Question 33

Carbohydrates are made up of (1) molecules.

Answer 33

glucose

Question 34

(1) is the main type of lipid in our diet.

Answer 34

Triglyceride

Question 35

Each triglyceride molecule is made up of (1) and (2).

Answer 35

1 glycerol molecule, 3 fatty acids molecules

Question 36

Fatty acids can be divided into (1) and (2).

Answer 36

saturated, unsaturated

Question 37

Oils are mostly made up of (1) fatty acids.

Answer 37

unsaturated

Question 38

Fats are mostly made up of (2) fatty acids.

Answer 38

saturated

Question 39

Proteins are made up of (1) kinds of (2) in our body.

Answer 39

20, amino acids

Question 40

Water makes up about (1)% of our body mass.

Answer 40

70

Question 41

Water is the main component of (1), which is related to the chemical reaction.

Answer 41

cytoplasm

Question 42

Water is the main component of (1), which transports substances around the body.

Answer 42

blood

Question 43

Water is a (1) for wastes, e.g. (2) and (3).

Answer 43

solvent, urine, sweat

Question 44

Water makes up (1) like (2).

Answer 44

body secretions, digestive juice

Question 45

Water (1) through the evaporation of sweat.

Answer 45

regulates body temperature

Question 46

Water regulates body temperature through (1).

Answer 46

evaporation of sweat

Question 47

Test for glucose: (1)

The result if positive: (2) -> (3)

Answer 47

glucose test paper, green, brown

Question 48

Test for starch: (1)

The result if positive: (2) -> (3)

Answer 48

iodine test, brown, blue-black

Question 49

Test for lipids: (1)

The result if positive: (2) left

Answer 49

filter paper spot test, a permanent translucent spot

Question 50

Test for proteins: (1)

The result if positive: (2) -> (3)

Answer 50

protein test paper, yellow, green

Question 51

Test for Vitamin C: (1)

The result if positive: (2) -> (3)

Answer 51

DCPIP solution, blue, colourless