Biology A H020: Evaluation Topical Past Paper Questions
OCR AS Biology A (H020) past-paper questions on Evaluation, free. This topic is frequently examined across 5 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) (i) Some students collect a sample of pond water to observe under a light microscope. They pour some of the pond water onto a microscope slide. Describe how they could improve their technique in preparing the microscope slide for examination under a light microscope. [2] (ii)…
(a) Measles, Mumps and Rubella are communicable diseases. They can be prevented by the use of the MMR vaccine which is administered to children. The table below shows some data on the number of children given the MMR vaccine and the incidence of measles between 2012 and 2014. (i)…
A group of students were studying invertebrate biodiversity in two areas of local woodland, Area A and Area B. They used pitfall traps to sample the two areas. (i) Explain how a pitfall trap can be set up and used to sample invertebrate biodiversity. [3] (ii) The results for $ \m…
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