Practice exam questions- Biology (digestion + heart)

Question 1

What comes 1st in the digestive system?

Answer 1

Mouth

Question 2

What comes 2nd in the digestive system?

Answer 2

Oesophagus

Question 3

What comes 3rd in the digestive system?

Answer 3

Stomach

Question 4

What comes 4th in the digestive system?

Answer 4

Small intestine

Question 5

What comes 5th in the digestive system?

Answer 5

Large intestine

Question 6

What comes 6th in the digestive system?

Answer 6

Rectum

Question 7

What comes last in the digestive system?

Answer 7

Anus

Question 8

Explain what malnutrition is.

Answer 8

People are malnourished if their diet does not provide adequate calories and nutrients for growth and maintenance, or if they are unable to fully utilise the food they eat due to illness (undernutrition).

Question 9

What organ does peristalsis normally occur in?

Answer 9

The oesophagus

Question 10

What is the name of the chemical store of enzymes that are found in the head of a sperm cell?

Answer 10

An Acrosome

Question 11

Name a disease and its cause.

Answer 11

E.g. you get salmonella from eating raw meat.

Question 12

What is the main food substance contained in bread.

Answer 12

Starch

Question 13

What does lipase break down?

Answer 13

Fats

Question 14

What does pepsin break down?

Answer 14

Proteins

Question 15

Can celery be digested?

Answer 15

No

Question 16

What is a normal body temperature?

Answer 16

37°C

Question 17

Can fibre be digested?

Answer 17

No

Question 18

Where is trypsin found and what does it digest?

Answer 18

In the small intestine and it digests proteins

Question 19

What do fats do in the body?

Answer 19

Fats provide needed energy in the form of calories.

Question 20

Where are salivary glands found?

Answer 20

The mouth