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CAIE IGCSE Biology 10 Diseases and Immunity Questions

Practise identifying pathogens, tracing disease transmission and explaining body defences, immunity and disease control.

Syllabus
2026–2028
Course
Biology 0610

Covered syllabus points

10.1 Diseases and immunity

Question 1

[Maximum number: 1]

Campylobacter is a bacterium that can cause food poisoning.
Which word describes Campylobacter?

A

antibody

B

disease

C

pathogen

D

symptom

Question 2

[Maximum number: 2]

Rubella and kwashiorkor are two diseases that affect children.

Rubella is a transmissible disease and kwashiorkor is a non-transmissible disease.

Define the term transmissible disease.

Question 3

[Maximum number: 11]

Fig. 6.1 is a diagram of the virus that causes measles.

Fig. 6.1

Fig. 6.1

Question (a)

(a)

Viruses and some bacteria are pathogenic. Diseases caused by pathogens are transmissible.

[ 4 ]

Question (i)

(i)

State two ways that a pathogen can be transmitted indirectly.

[ 2 ]

Question (ii)

(ii)

The body has barriers to defend itself against pathogens.

State two mechanical barriers of the body.

[ 2 ]

Question (b)

(b)

Some white blood cells produce antibodies as part of the body's defence against pathogens.

Describe the role of antibodies in defence of the body.

[ 4 ]

Question (c)

(c)

The immunity gained after infection by a pathogen is active immunity.

Explain how active immunity differs from passive immunity.

[ 3 ]

Question 4

[Maximum number: 1]

These actions may be important in controlling the spread of disease.
1 washing hands after going to the toilet
2 disposing of waste frequently
3 using separate cutting boards for meat and salad
4 disposing of raw sewage into a river
Which would help control the spread of disease?

A

1, 2, 3 and 4

B

1, 2 and 3 only

C

2 and 3 only

D

4 only

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