# "Describe" questions — Cambridge International IGCSE Biology (0610)

> 135 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. [Describe the journey of food through the alimentary canal, starting from ingestion in the mouth and ending at egestion a…](https://www.gradenine.co.uk/q/describe-the-journey-of-food-through-099fca0d)
2. [Describe the pathway taken by water as it moves from the soil into the air spaces inside a leaf, naming the structures i…](https://www.gradenine.co.uk/q/describe-the-pathway-taken-by-water-0c76de41)
3. [Describe how the structure of the ileum is adapted to allow efficient absorption of the products of digestion into the b…](https://www.gradenine.co.uk/q/describe-how-the-structure-of-the-0cc3b063)
4. [Describe four harmful effects of deforestation on the environment.](https://www.gradenine.co.uk/q/describe-four-harmful-effects-of-deforestation-11261aee)
5. [A population of rabbits colonises a new area of grassland. At first the population grows slowly, then very rapidly, befo…](https://www.gradenine.co.uk/q/a-population-of-rabbits-colonises-a-15c1447e)
6. [Describe how nitrogen from a dead animal is returned to the atmosphere as nitrogen gas.](https://www.gradenine.co.uk/q/describe-how-nitrogen-from-a-dead-18419403)
7. [Describe the pathway of a nerve impulse through a reflex arc when a person's hand touches a sharp object.](https://www.gradenine.co.uk/q/describe-the-pathway-of-a-nerve-190188b2)
8. [Describe how pectinase is used in the production of fruit juice, and explain why this enzyme increases the yield of juic…](https://www.gradenine.co.uk/q/describe-how-pectinase-is-used-in-1c6411b1)

## Related

- [Cambridge International IGCSE Biology (0610) revision notes](https://www.gradenine.co.uk/learn/cambridge-international-igcse-biology-0610)
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