Diet and digestion

Question 0

You find nerves and blood vessels in

Answer 0

The pulp cavity

Question 1

What provides a hard surface to bite on

Answer 1

Enamel

Question 2

What holds the tooth in the jawbone

Answer 2

Cement and periodontal fibres

Question 3

Most of the tooth is made up of

Answer 3

Dentine

Question 4

The teeth used for biting are

Answer 4

Incisors

Question 5

Three ways to prevent tooth decay

Answer 5

Flossing and brushing regularly Going to the dentist every 6 months Changing brush every month

Question 6

The breakdown of large molecules of food into smaller molecules is called

Answer 6

Digestion

Question 7

The wave like contractions pushing food along the digestive system is called

Answer 7

Peristalsis

Question 8

The process by which indigestible fibre and other waste substances leave the body is called

Answer 8

Egestion

Question 9

Starch test chemicals used

Answer 9

Iodine

Question 10

Starch test colour at start

Answer 10

Orange/yellow

Question 11

Starch test colour after (if containing start)

Answer 11

Blue/black

Question 12

Name of chemical in sugar test

Answer 12

Benedicts

Question 13

Sugar test colour before

Answer 13

Blue

Question 14

Sugar test colour after (if containing sugar)

Answer 14

Brick red

Question 15

Chemicals used in protein test

Answer 15

biuret solution

Question 16

Colour at start if protein test

Answer 16

Pale blue

Question 17

Colour after protein test (positive result)

Answer 17

Violet

Question 18

Enzymes break down carbohydrates into

Answer 18

Simple sugars

Question 19

Enzymes break down proteins into

Answer 19

Amino acids

Question 20

Enzymes break down fats into

Answer 20

Fatty acids and glycerol

Question 21

Label the diagram