Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: B5: The human body – staying alive Topical Past Paper Questions
OCR GCSE (9-1) Science B, Combined (9-1) - Twenty First Century Science Suite J260 (9-1) past-paper questions on B5: The human body – staying alive, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Organisms need to detect and respond to changes in their internal and external environment to survive. (a)* Multiple sclerosis (MS) is a condition that affects motor neurons. Symptoms of MS include: • slow muscle contractions in the arms and legs • unwanted muscle contractions. T…
Some students are studying the pupil reflex. The amount of light entering the eye is controlled by this reflex. The size of the pupil changes in response to light conditions. When it is dark, the pupil gets bigger, and when it's light, the pupil gets smaller. The diagram shows th…
A student is investigating the effect of eating sugar on blood sugar concentration. The student eats 20g of glucose, and then measures their blood sugar concentration every minute for 7 minutes. Fig. 5.1 shows their results. Blood sugar concentration (mg/dL) Fig. 5.1 (a) Explain…
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