Biology 7

Question 1

What is a balanced diet

Answer 1

A diet consisting of the right proportions of every type of nutrient

Question 2

The importance of carbohydrates

Answer 2

Energy

Question 3

Food sources of carbohydrates

Answer 3

Potato and cereals

Question 4

The importance of fats and oils

Answer 4

Move and storage energy

Question 5

Food sources of fats and oils

Answer 5

Oil and fats

Question 6

The importance of proteins

Answer 6

Repair and build enzymes

Question 7

Food sources of proteins

Answer 7

Chicken, meet and egg

Question 8

The importance of vitamin C

Answer 8

Immune system

Question 9

Food sources of vitamin C

Answer 9

Fruit

Question 10

The importance of vitamin D

Answer 10

Bone and teeth

Question 11

Food sources of vitamin D

Answer 11

Sunlight is needed

Question 12

The importance of calcium

Answer 12

Bone and teeth

Question 13

Food sources of calcium

Answer 13

Milk and cereal

Question 14

The importance of iron

Answer 14

Haemoglobin

Question 15

Food sources of iron

Answer 15

Red meat and lentils

Question 16

The importance of fibre

Answer 16

Helps digestive system

Question 17

Food sources of fibre

Answer 17

Cereal and fruits

Question 18

The importance of water

Answer 18

Cleaning

Question 19

Food sources of water

Answer 19

Fruits and water

Question 20

Causes of scurvy

Answer 20

Scurvy is caused by a deficiency of Vitamin C, causing bleeding gum,

Question 21

Treatement for scurvy

Answer 21

Can be treated eating fruits and vegetables

Question 22

Causes of rickets

Answer 22

Rickets is caused by a deficiency of calcium, causing weak bones

Question 23

Treatement for rickets

Answer 23

Can be treated drinking milk and eating cereals

Question 24

Digestive system organs (13)

Answer 24

Mouth
Salivary glands
Oesophagus
Liver
Stomach
Gall bladder
Bile duct
Pancreas
Large intestine
Small intestine
Appendix
Rectum
Anus

Question 25

Alimentary canal organs (7)

Answer 25

Mouth Oesophagus Small intestine Stomach Large intestine Rectum Anus

Question 26

Associated organs (6)

Answer 26

Liver Gall bladder Pancreas Appendix Salivary glands Bile duct

Question 27

Function of mouth

Answer 27

Chewing food

Question 28

Function of oesophagus

Answer 28

Transport the food to the stomach

Question 29

Function of stomach

Answer 29

Digest the food and absorb the water

Question 30

Function of small intestine

Answer 30

FInishing the digestion and absorbing the majority of nutrients

Question 31

Function of liver

Answer 31

Produce bile

Question 32

Function of pancreas

Answer 32

Makes enzymes to digest proteins, lipids and carbs

Question 33

Function of large intestine

Answer 33

Reabsorption of water

Question 34

Function of gallbladder

Answer 34

Store and release the bile

Question 35

Function of rectus/anus

Answer 35

Egest the waste product

Question 36

What is ingestion and which organs are involved

Answer 36

The taking of substances Mouth

Question 37

What is digestion and which organs are involved

Answer 37

The breakdown of food Mouth Stomach Small intestine

Question 38

What is absorption and which organs are involved

Answer 38

The movement of nutrients from the intestines into the blood Small intestine

Question 39

What is assimilation and which organs are involved

Answer 39

Uptake and use of nutrients by cells Liver

Question 40

What is egestion and which organs are involved

Answer 40

The removal of undigested food from the body as faeces Large intestine Rectum and anus

Question 41

Describe physical digestion

Answer 41

The breakdown of food into smaller pieces without chemical change to the food molecules.

Question 42

What is the purpose of physical digestion

Answer 42

Increase the surface area of food for the action of enzymes in chemical digestion

Question 43

Describe chemical digestion

Answer 43

The breakdown of large insoluble molecules into small soluble molecules

Question 44

What is the purpose of chemical digestion

Answer 44

Produce small soluble molecules that can be absorbed