# "Describe" questions — OCR GCSE Biology A: Gateway Science (J247)

> 13 questions · biology

## 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

1. [A student is investigating the effect of salt concentration on the mass of potato cylinders using osmosis. Describe how …](https://www.gradenine.co.uk/q/a-student-is-investigating-the-effect-2b850ac0)
2. [A student observing a cell under a light microscope notices several distinct organelles. Describe the function of the nu…](https://www.gradenine.co.uk/q/a-student-observing-a-cell-under-51d3d02e)
3. [A student is investigating the effect of pH on the rate of enzyme activity using lipase and milk. Describe how the stude…](https://www.gradenine.co.uk/q/a-student-is-investigating-the-effect-63449f7a)
4. [A coral reef is an ecosystem where clownfish live among the tentacles of sea anemones. The anemone's stinging tentacles …](https://www.gradenine.co.uk/q/a-coral-reef-is-an-ecosystem-6bda5236)
5. [Describe how the carbon cycle returns carbon dioxide to the atmosphere, referring to the roles of living organisms and c…](https://www.gradenine.co.uk/q/describe-how-the-carbon-cycle-returns-729fd0bf)
6. [Describe how the use of pesticides and fertilisers helps to increase crop yields to feed the growing human population, a…](https://www.gradenine.co.uk/q/describe-how-the-use-of-pesticides-76ae8985)
7. [Describe how the nervous system coordinates a response when a person touches a very hot object. In your answer, name the…](https://www.gradenine.co.uk/q/describe-how-the-nervous-system-coordinates-99e4a6ce)
8. [A student is investigating how exercise affects heart rate. They plan to measure their resting heart rate, perform jumpi…](https://www.gradenine.co.uk/q/a-student-is-investigating-how-exercise-ae3752fd)

## Related

- [OCR GCSE Biology A: Gateway Science (J247) revision notes](https://www.gradenine.co.uk/learn/ocr-gcse-biology-a-gateway-science-j247)
- [OCR GCSE Biology A: Gateway Science (J247) past papers](https://www.gradenine.co.uk/past-papers/ocr-gcse-biology-a-gateway-science-j247)
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