"Describe" questions — Pearson Edexcel International GCSE Biology (4BI1)
52 questions · biology · View as Markdown
How to answer
Say WHAT happens, in order. No reasoning. Structure: 1. First X. 2. Then Y. 3. Then Z. Assessment Objective: AO1. Every "describe" answer on this spec is marked against exactly this pattern.
Sample questions
- Describe the role of nitrifying bacteria and denitrifying bacteria in the nitrogen cycle.
- Describe the roles of the sensory neurone, relay neurone and motor neurone in carrying a nerve impulse during a reflex a…
- Describe the role of stomata and the spongy mesophyll layer in gas exchange in a flowering plant.
- Describe the role of xylem vessels in the transport of water through a flowering plant, including the features of xylem …
- Describe the functions of the nucleus, mitochondria, ribosomes and cell membrane in a eukaryotic cell.
- Describe how auxin causes a plant root to respond to the force of gravity.
- Describe how osmosis causes a plant cell to become turgid when it is placed in a solution that is more dilute than the c…
- Describe the differences between sexual reproduction and asexual reproduction in terms of the number of parents involved…