"Explain" questions — Pearson Edexcel A-Level Biology A (9BI0)
162 questions · biology · View as Markdown
How to answer
WHAT + WHY. Every point paired with a because. Structure: X happens because Y. This causes Z because … Assessment Objective: AO2. Every "explain" answer on this spec is marked against exactly this pattern.
Sample questions
- A person receives a vaccination against influenza. Some months later, the same person is exposed to the influenza virus.…
- A farmer stores bales of hay outdoors over winter. By spring, the bales that were left uncovered and in contact with the…
- A wildlife charity is monitoring two woodland habitats: Habitat A, which has been managed to support a wide variety of p…
- A population of finches lives on a mainland. Some finches migrate to a remote island far out at sea, where they cannot r…
- Explain how the immune system responds when a pathogen enters the body for the first time and produces a faster response…
- Explain how the structure of capillaries is adapted to allow efficient exchange of substances between the blood and body…
- A farmer grows wheat in a large field. The wheat is eaten by mice, which are eaten by owls. The farmer wants to produce …
- Explain how the five-kingdom classification system groups living organisms, and state one limitation of using only obser…