Grade 12 · Life Sciences · Paper 1 · CAPS
The Human Endocrine System – Grade 12 Life Sciences (Paper 1)
What The Human Endocrine System covers, how it is examined in Life Sciences Paper 1, the 3 sections to study and how long it takes – plus live online lessons when you get stuck.
- Study sections
- 3
- Exam-style questions
- 8
- Marks of practice
- 61
- Study time
- ≈ 2 h 55 min
What it covers
The Human Endocrine System is a Grade 12 Life Sciences topic in the CAPS curriculum, examined in Life Sciences Paper 1 of the NSC exams. You study it in 3 sections: Endocrine glands and their hormones; Endocrine vs nervous system; adrenalin; Negative feedback: thyroxin, TSH and goitre.
How it is examined
- Paper
- Life Sciences Paper 1 – Friday 13 November 2026, 09:00 (2½ hours, 150 marks)
- Weighting
- Endocrine system and homeostasis ≈ 34/150 in Paper 1 (23%, DBE Examination Guidelines 2021)
Mark splits are typical, not fixed – they vary a little from year to year.
Sections to study
- Endocrine glands and their hormones40 min
- Endocrine vs nervous system; adrenalin25 min
- Negative feedback: thyroxin, TSH and goitre25 min
Study time
| Notes and worked examples3 sections | 1 h 30 min |
|---|---|
| Exam-style questions8 questions · 61 marks × 1,2 min per mark | 1 h 15 min |
| Topic quiz | 10 min |
| Total | ≈ 2 h 55 min |
Life Sciences Paper 1 is written on Friday 13 November 2026 at 09:00.
What you get in the portal
- 8 exam-style questions on The Human Endocrine System (61 marks in total), each with a full marking memo
- Worked exam-style answers, point by point, with labelled diagrams for each of the 3 sections
- Tutor notes added to sections and questions – for the whole class or just for you
- A topic quiz, mock papers and a study plan that counts down to Life Sciences Paper 1
Notes, worked examples, questions and memos open once the tutor approves your account – usually with your first confirmed lesson.
Stuck on The Human Endocrine System? Book a one-on-one lesson.
R250 per hour – 60, 90 or 120 minutes, online from anywhere in South Africa. Pick The Human Endocrine System as your topic; you pay by EFT only after the tutor confirms.
Related Life Sciences P1 topics
Questions about The Human Endocrine System
How many marks is The Human Endocrine System worth in the matric exam?
In Life Sciences Paper 1 (2½ hours, 150 marks) the usual weighting is: Endocrine system and homeostasis ≈ 34/150 in Paper 1 (23%, DBE Examination Guidelines 2021). The exact marks change a little from year to year.
How long does it take to study The Human Endocrine System?
About 2 h 55 min: 1 h 30 min for the notes and worked examples in its 3 sections, 1 h 15 min for the 8 exam-style questions (61 marks) at 1,2 minutes per mark, and a 10-minute quiz.
When is the Life Sciences Paper 1 exam in 2026?
Life Sciences Paper 1 is written on Friday 13 November 2026 at 09:00 and lasts 2½ hours (150 marks), according to the DBE’s 2026 NSC timetable. Confirm the date with your school, because the DBE can amend the timetable.
Can I get online lessons for The Human Endocrine System?
Yes. Create a free account in the Adventuity portal, request a one-on-one online lesson of 60, 90 or 120 minutes (or a seat in a group class) and choose The Human Endocrine System as your topic. You pay by EFT only after the tutor confirms the booking.