"Explain" questions — Cambridge International IGCSE Biology (0610)
131 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
- Explain how peristalsis moves food along the oesophagus.
- Monoculture is widely used in modern agriculture. Explain why farmers choose to grow crops as a monoculture and describe…
- A population of strawberry plants reproduces asexually by sending out runners that produce new plants. A fungal disease …
- Explain why bacteria are considered particularly useful organisms for producing human insulin by genetic modification.
- Explain why deforestation can lead to the extinction of species, and suggest two conservation measures that could be use…
- Explain why an enzyme stops working when the pH moves far from its optimum.
- Explain why mammals have a double circulatory system rather than a single circulatory system.
- A scientist is classifying two species of beetle and two species of spider. Explain how using a dichotomous key would al…