4-mark practice questions — Eduqas GCSE Biology

215 questions · biology · View as Markdown

How to answer

4-mark questions are the shortest levels-of-response band. Aim for four scientific ideas, each in its own short sentence.

Sample questions

  1. Explain how white blood cells defend the body against pathogens that have entered the bloodstream.
  2. Explain how the hormone adrenaline prepares the body for a 'fight or flight' response.
  3. Describe the journey of an oxygen molecule from the trachea to the bloodstream, naming the structures it passes through …
  4. Explain why mitosis is used for growth and repair in the human body, but meiosis is used for the production of gametes.
  5. Explain why a vaccine made from a dead or weakened pathogen can protect a person against the disease caused by the live …
  6. A student states: 'Mitosis and meiosis both involve a cell dividing, so they must produce the same types of cells for th…
  7. Explain why it is important for the human body to maintain a constant internal environment.
  8. Explain why a habitat with a large number of different species is considered to have high biodiversity.

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