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Practise

Question bank

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

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12 questions

SA-AB-SE-0121 markL1 FoundationCalculatorVariation

ABO blood group is an example of

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0012 marksL2 StandardCalculatorHardy–Weinberg

In a population, 4% show a recessive phenotype. Calculate the frequency of the recessive allele.

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0031 markL2 StandardCalculatorVariation

Human height shows

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0041 markL2 StandardCalculatorSelection types

Selection favouring individuals at one extreme is

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0051 markL2 StandardCalculatorSelection types

Stabilising selection

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0061 markL2 StandardCalculatorSelection types

Genetic drift has the greatest effect in

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0071 markL2 StandardCalculatorHardy–Weinberg

A Hardy–Weinberg assumption is

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0081 markL2 StandardCalculatorSelection types

The founder effect occurs when

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0091 markL2 StandardCalculatorSelection types

Insecticide resistance spreading through a pest population is an example of

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0101 markL2 StandardCalculatorSelection types

Artificial selection differs from natural selection because

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0111 markL2 StandardCalculatorHardy–Weinberg

The dominant allele frequency p is 0.7. What is q?

Salam Academy Original Practice · Proposed mark scheme

SA-AB-SE-0022 marksL3 ExamCalculatorHardy–Weinberg

Using q = 0.2, calculate the frequency of heterozygous carriers.

Salam Academy Original Practice · Proposed mark scheme