Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

TopicSkillDifficulty

12 questions

SA-OB-DS-0011 markL1 FoundationCalculatorDefences

A pathogen is

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0021 markL1 FoundationCalculatorImmunity

Antibodies are produced by

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0121 markL1 FoundationCalculatorDefences

The first barrier to pathogens entering the body is the

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0031 markL2 StandardCalculatorImmunity

Each type of antibody

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0041 markL2 StandardCalculatorImmunity

A vaccine contains

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0051 markL2 StandardCalculatorImmunity

Immunity from a mother's breast milk is

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0061 markL2 StandardCalculatorImmunity

Long-term active immunity depends on

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0071 markL2 StandardCalculatorDefences

Stomach acid helps defend against disease by

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0081 markL2 StandardCalculatorDefences

Cholera is spread mainly by

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0091 markL2 StandardCalculatorDefences

Mucus and cilia in the airways

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0102 marksL2 StandardCalculatorImmunity

A town of

50\,000

people has a vaccination rate of

92\%

. How many people are not vaccinated?

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DS-0111 markL3 ExamCalculatorImmunity

After a second exposure to the same pathogen, antibody production is

Salam Academy Original Practice · Proposed mark scheme