# "Describe and explain" questions — WJEC A-Level Biology (Wales)

> 11 questions · biology

## How to answer

"describe and explain" questions from WJEC A-Level Biology (Wales). Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.

## Sample questions

1. [Describe how the human body produces monoclonal antibodies and explain one way in which they can be used in medicine.](https://www.gradenine.co.uk/q/describe-how-the-human-body-produces-11e31674)
2. [In vitro fertilisation (IVF) is a method used to help couples who are experiencing infertility. Describe the process of …](https://www.gradenine.co.uk/q/in-vitro-fertilisation-ivf-is-a-1fc9ee69)
3. [Describe the cell cycle and explain why mitosis is important in multicellular organisms.](https://www.gradenine.co.uk/q/describe-the-cell-cycle-and-explain-24b61924)
4. [A couple are told by their doctor that they are infertile. The doctor suggests they consider in vitro fertilisation (IVF…](https://www.gradenine.co.uk/q/a-couple-are-told-by-their-2da28c17)
5. [Cell differentiation is an important process in multicellular organisms. Describe what cell differentiation is and expla…](https://www.gradenine.co.uk/q/cell-differentiation-is-an-important-process-68364117)
6. [A student uses Benedict's test and the Biuret test to identify the biological molecules present in a sample of milk. Des…](https://www.gradenine.co.uk/q/a-student-uses-benedict-s-test-and-6aedec24)
7. [DNA is a polymer that forms a double helix structure. Describe the structure of DNA and explain how it is replicated ins…](https://www.gradenine.co.uk/q/dna-is-a-polymer-that-forms-6d2e10b3)
8. [Ash dieback is a communicable disease affecting ash trees in the UK. Describe how ash dieback spreads and explain the me…](https://www.gradenine.co.uk/q/ash-dieback-is-a-communicable-disease-87f6070c)

## Related

- [WJEC A-Level Biology (Wales) revision notes](https://www.gradenine.co.uk/learn/wjec-a-level-biology-wales)
- [WJEC A-Level Biology (Wales) past papers](https://www.gradenine.co.uk/past-papers/wjec-a-level-biology-wales)
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