Science B, Combined (9-1) - Twenty First Century Science Suite J260 9-1: B3: Living together – food and ecosystems 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 B3: Living together – food and ecosystems, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) The world's human population is due to reach 10 billion by 2050. Farmers need to produce more food to feed all those people. (ii) Temperature and water can be limiting factors of photosynthesis. Complete the table to describe two other limiting factors and explain why increas…
The diagram shows some of the organisms that live in and around one area of the Arctic Ocean. The organisms are not drawn to scale. (a) Complete the sentences to describe the levels of organisation in this area. Use phrases from the list. (b) Complete the table to describe the di…
The soil is an example of an ecosystem. The diagram shows a food chain within this ecosystem. (a) From the diagram, write down: (i) A producer. [1] (ii) A consumer. [1] (iii) An abiotic component. [1] (b) Scientists use technical terms to describe different levels of organisation…
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Full B3: Living together – food and ecosystems question set, mark schemes and AI worksheets
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