# "Explain" questions — AQA GCSE Biology (8461)

> 91 questions · biology

## 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. [Explain how thyroxine and negative feedback work together to maintain a stable metabolic rate in the body.](https://www.gradenine.co.uk/q/explain-how-thyroxine-and-negative-feedback-01bd0a99)
2. [Explain why monoclonal antibodies are described as 'monoclonal' and outline one advantage this property gives when using…](https://www.gradenine.co.uk/q/explain-why-monoclonal-antibodies-are-described-0358727c)
3. [Explain how cells, tissues, and organs are related to each other in a multicellular organism. Use an example of a named …](https://www.gradenine.co.uk/q/explain-how-cells-tissues-and-organs-05137d2b)
4. [Explain how sustainable fisheries help to maintain fish stocks for future generations.](https://www.gradenine.co.uk/q/explain-how-sustainable-fisheries-help-to-053019d8)
5. [Explain why the binomial system is used to name living organisms rather than using common names.](https://www.gradenine.co.uk/q/explain-why-the-binomial-system-is-0b2ebb39)
6. [Explain why aerobic respiration is described as an exothermic reaction and state one use of the energy released during c…](https://www.gradenine.co.uk/q/explain-why-aerobic-respiration-is-described-0d867eae)
7. [Explain how auxin controls the growth of a plant root growing downwards in response to gravity.](https://www.gradenine.co.uk/q/explain-how-auxin-controls-the-growth-0e4cfde6)
8. [Explain how cells, tissues and organs are organised to form the small intestine as part of an organ system. Use the term…](https://www.gradenine.co.uk/q/explain-how-cells-tissues-and-organs-1249eb9a)

## Related

- [AQA GCSE Biology (8461) revision notes](https://www.gradenine.co.uk/learn/aqa-gcse-biology-8461)
- [AQA GCSE Biology (8461) past papers](https://www.gradenine.co.uk/past-papers/aqa-gcse-biology-8461)
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