Biology A H020: Analysis Topical Past Paper Questions
OCR AS Biology A (H020) past-paper questions on Analysis, 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) An aneurysm is a bulge in a blood vessel caused by a weakness in the wall of the blood vessel. If an aneurysm bursts it can be very serious or even fatal. (i) Scientists can measure the size of an aneurysm. An investigation measured the ratio of collagen to elastin in the blo…
(a) Here is some information about reproduction in two members of the animal kingdom. - Komodo dragons are large lizards that usually reproduce sexually, but very rarely females can reproduce asexually. - Starfish can reproduce asexually by a process known as fragmentation. This…
To determine the biodiversity of butterflies in a meadow, the number of different species of butterfly were sampled in a meadow on 12 consecutive days. The results are shown below. Which row, A to D, shows the correct mode, mean and median for these data?
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