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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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2730 questions · page 119 of 137 · choose a topic above to narrow them down

SA-OB-DG-0041 markL2 StandardCalculatorDigestive enzymes

Bile helps digestion by

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DG-0051 markL2 StandardCalculatorDigestive enzymes

Hydrochloric acid in the stomach

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DI-0041 markL2 StandardCalculatorNutrients

Fibre is important because it

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DI-0051 markL2 StandardCalculatorDeficiency

Vitamin D is needed to

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DN-0041 markL2 StandardCalculatorCell division

Mitosis produces

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DN-0051 markL2 StandardCalculatorCell division

Meiosis is used to

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DO-0031 markL2 StandardCalculatorOsmosis

A plant cell placed in pure water becomes

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DO-0041 markL2 StandardCalculatorOsmosis

A red blood cell placed in a concentrated salt solution will

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DO-0051 markL2 StandardCalculatorDiffusion

Which would increase the rate of diffusion?

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DR-0021 markL2 StandardCalculatorAntibiotics

Antibiotic resistance develops because

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DR-0031 markL2 StandardCalculatorAntibiotics

One way to reduce antibiotic resistance is to

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DR-0041 markL2 StandardCalculatorDrug misuse

Long-term heavy alcohol use damages the

Salam Academy Original Practice · Proposed mark scheme

SA-OB-DR-0051 markL2 StandardCalculatorDrug misuse

Heroin is a

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-EN-0031 markL2 StandardCalculatorTemperature and pH

Above its optimum temperature, an enzyme's activity falls because

Salam Academy Original Practice · Proposed mark scheme

SA-OB-EN-0041 markL2 StandardCalculatorEnzyme action

Enzymes are specific because

Salam Academy Original Practice · Proposed mark scheme

SA-OB-EN-0051 markL2 StandardCalculatorTemperature and pH

The optimum pH of pepsin in the stomach is about

Salam Academy Original Practice · Proposed mark scheme

SA-OB-EX-0031 markL2 StandardCalculatorKidney function

Ultrafiltration takes place in the

Salam Academy Original Practice · Proposed mark scheme