# Grade 12 Life Sciences Questions by Topic

> Past exam questions for Grade 12 Life Sciences organised by topic. Drill weak areas, with memorandums where available.

- Page: https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 12](https://www.hlayiso.com/grade-12) › [Life Sciences](https://www.hlayiso.com/grade-12/life-sciences) › [Questions by topic](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic)

## Topics

- [DNA: THE CODE OF LIFE](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/dna-the-code-of-life) — 162 past exam questions
- [MEIOSIS](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/meiosis) — 116 past exam questions
- [REPRODUCTION IN VERTEBRATES](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/reproduction-in-vertebrates) — 35 past exam questions
- [HUMAN REPRODUCTION](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/human-reproduction) — 174 past exam questions
- [GENETICS AND INHERITANCE](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/genetics-and-inheritance) — 252 past exam questions
- [RESPONDING TO THE ENVIRONMENT (Humans)](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/responding-to-the-environment-humans) — 249 past exam questions
- [HUMAN ENDOCRINE SYSTEM AND HOMEOSTASIS IN HUMANS](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/human-endocrine-system-and-homeostasis-in-humans) — 152 past exam questions
- [RESPONDING TO THE ENVIRONMENT (PLANTS)](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/responding-to-the-environment-plants) — 66 past exam questions
- [EVOLUTION](https://www.hlayiso.com/grade-12/life-sciences/questions-by-topic/evolution) — 248 past exam questions

## Frequently asked questions

### What are “questions by topic”?

Real past exam questions from Grade 12 Life Sciences papers, regrouped by topic so you can drill one concept at a time instead of sitting a full paper.

### Are memos included?

Memos are included where the official memorandum is available.

### Which topics are covered?

CAPS topics for Grade 12 Life Sciences, populated from official past papers and updated as new papers are released.

### Is this free?

You can preview the first question in each topic without an account. Create a free Hlayiso account to see the rest; the free plan has daily limits.

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