Biology B (9-1) - Twenty First Century Science Suite J257 9-1: Ideas about Science Topical Past Paper Questions
OCR GCSE (9-1) Biology B (9-1) - Twenty First Century Science Suite J257 (9-1) past-paper questions on Ideas about Science, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
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Plants take in substances to help them stay alive. (a) Complete the table to describe the substances taken into a plant and the processes they are used for. [3] (b) The mass of a plant in the morning is 50 g. By the evening, the plant has taken up 5 g of water. (i) Calculate the…
Elephants live in the wild in Mozambique, Africa. Some elephants inherit an allele that causes them to never develop tusks. This no-tusks allele is the result of a mutation. (a) Mutations to alleles happen quite often. Explain why mutations often have no observable effects. [3] (…
Beth and Leo plan to investigate the effect of exercise on body temperature. Beth will exercise for 30 minutes. Leo will measure Beth's body temperature before, during and after exercise. (a) Fig. 5.1 shows two thermometers they could use to measure Beth's temperature. Fig. 5.1 T…
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