Science A, Combined (9-1) - Gateway Science Suite J250 9-1: B3: Organism level systems Topical Past Paper Questions
OCR GCSE (9-1) Science A, Combined (9-1) - Gateway Science Suite J250 (9-1) past-paper questions on B3: Organism level systems, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The picture shows the plant pathogen that causes powdery mildew. (a) Describe how powdery mildew is spread from one plant to another.
(a) The diagram shows the four main components of the blood. Draw lines to connect each letter to the component that they are labelling. Then draw lines from each component to their correct function. Two lines have been drawn for you. (c) Read the information in the text box. Use…
Infertility can be treated using in vitro fertilisation (IVF). Eggs are collected from the ovary of the woman and fertilised by sperm in a Petri dish. The fertilised eggs are then placed into the uterus of the woman. (a) The graph shows the success rate per cycle of IVF compared…
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