"Explain" questions — Eduqas A-Level Biology

76 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

  1. Adrenaline is a hormone released during the 'fight-or-flight' response. Explain how adrenaline reaches its target organs…
  2. During the cell cycle, DNA replication occurs in the nucleus before a cell can divide. Explain how DNA replication produ…
  3. Explain how the hormone insulin helps to restore blood glucose concentration back to its optimum level after a meal high…
  4. Phloem and xylem are the two main transport vessels in plants. Explain how the structure of phloem vessels is adapted to…
  5. A scientist is investigating DNA replication. Explain why it is important that DNA replication produces an exact copy of…
  6. HIV is a communicable disease caused by a virus. Explain how the human body responds to HIV once it has entered the bloo…
  7. Explain how the human body defends itself against pathogens before they enter the body and after they have entered the b…
  8. Explain how a nerve impulse passes from one neurone to the next across a synapse.

Related

▶ Practise these with instant AI marking (free) →