# Grade 11 Life Sciences Questions by Topic

> Past exam questions for Grade 11 Life Sciences organised by topic. Drill weak areas, with memorandums where available.

- Page: https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 11](https://www.hlayiso.com/grade-11) › [Life Sciences](https://www.hlayiso.com/grade-11/life-sciences) › [Questions by topic](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic)

## Topics

- [Gaseous exchange](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/gaseous-exchange) — 14 past exam questions
- [Excretion](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/excretion) — 15 past exam questions
- [Biodiversity and classification of micro-organisms](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/biodiversity-and-classification-of-micro-organisms) — 29 past exam questions
- [Biodiversity in plants and reproduction](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/biodiversity-in-plants-and-reproduction) — 26 past exam questions
- [Biodiversity in animals](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/biodiversity-in-animals) — 13 past exam questions
- [Population ecology](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/population-ecology) — 25 past exam questions
- [Human impact on the environment](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/human-impact-on-the-environment) — 27 past exam questions
- [Photosynthesis](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/photosynthesis) — 29 past exam questions
- [Animal nutrition](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/animal-nutrition) — 23 past exam questions
- [Respiration](https://www.hlayiso.com/grade-11/life-sciences/questions-by-topic/respiration) — 16 past exam questions

## Frequently asked questions

### What are “questions by topic”?

Real past exam questions from Grade 11 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 11 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.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.
