Life Sciences Memo 1 (English)

November 2015 — Grade 12 / Matric — Life Sciences

Memo 2015 Grade 12 English Life Sciences Hub →

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🎯 150 marks 📄 12 pages 📝 30 items found 📚 4 topics

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Q1— Section header —

1.1.10(10 x 2\

1.2.1Medulla blongata

1.2.2Homeostasis

1.2.3Abscisic acid ABA

1.2.4Meninges

1.2.5Aldosterone

1.2.6Ozone

1.2.7Testosterone /FSH /LH (7\

1.3.5Both and B B only A only B only Both A and B (5 x 2\

1.4.3(a\ ciliary muscle (b\ iris (c\ cornea Accommodation Diagram 2 (1\

1.5.5Phototropism Light /Sunlight/Radiant energy Auxins / IAA/ Indole acetic acid Inhibit Apical dominance (1\ (1\

Q2— Section header —

2.1a\ Eustachian ube b\ Round window (c\ Cochlea (1\ (1\

2.1Air will not be taken in /released to e qual ise pressure on both side of th

2.1.3Changes in the direction and speed of movement: Causes the endolymph to move in part D/semi circular canals The cristae found in the ampulla are stimulated

2.2(a\ Chromosome (b\ Spindle fibre (c\ Centromere (1\ (1\ (1\

2.2.3Metaphase II Chromosomes lying independently singly at the equator (1\ (2\

2.2.4Mark allocation Shows chromosomes (not chromatids\ Shows separation of genetic material Correct variation shown in the chromosomes (shading on the chromosomes must be comple

2.3.2Seek permission /ethical clearance Deciding on the sample size Deciding on the equipment for measuring Deciding on the age group of the participants Deciding on using women with regular menstrual cycles

2.4.2(a\ Medulla oblongata (b\ Corpus cal los (c\ Cerebel lum Controls all voluntary activities

2.5very organ and gland is controlled by two sets of nerves double innervations that act antagonistically to control involuntary events brings about homeostasis

3.1Receptor cells in the carotid artery /aorta are stimulated to send impulses to the medulla oblongata in the brain which then stimulates the heart to beat faster

3.2Comparison of the b lood glucose level of two people over 5 hours /before and after ingesting glucose (Accept

3.3.2Poaching Deforestation rbanisation Mining Agriculture Veld fires Building Pollution Introduction

Q3— Section header —

3.3.5Increasing human population Increasing u nemployment poverty Increased prices of bush meat greed Increased demand Poor

3.4.4Food security refers to the access of adequate safe/ nutritious food all people at all times (Any 2\ Price is added to cover the cost of transportation over long

3.4Mark allocation of the graph Criteria Mark Allocation Bar graph drawn (T\ Title of graph Correct

Q4— Section header —

Topics Identified

Cell BiologyGeneticsEcologyAnimal Behaviour

Mark Allocation

Total150 marks

Sections40 = 40 marks

Paper information

SubjectLife Sciences

Year2015

SessionNovember

TypeMemo

PaperPaper 1

LanguageEnglish

Pages12

Downloads5

Examination context

Decade2010s

Years ago11y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2015

Days since exam4,008

About Life Sciences examination preparation

Grade 12 Life Sciences combines biological knowledge with interpretation and scientific reasoning. Paper 1 covers molecular biology, genetics, and cell biology, while Paper 2 tests human physiology, ecology, and evolution.

Every available Grade 12 Life Sciences past paper and memorandum is collected in the Life Sciences hub at life-sciences.freemode.co.za — browse all years, sessions and languages in one place.

How to use this resource for revision

A past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

recalling biological concepts

applying knowledge to unfamiliar situations

interpreting diagrams and information

using scientific terminology

constructing precise written responses

A practical revision approach

Life Sciences rewards exact biological terminology — examiners deduct marks for paraphrased definitions. Create a glossary of key terms and practice using them in context.

Grade 12 subject hubs

Each matric subject has its own dedicated hub on Freemode with every past paper and marking memorandum we have archived for that subject.

➗ Mathematics View papers → 📊 Mathematical Literacy View papers → ⚗️ Physical Sciences View papers → 🧬 Life Sciences 📍 You are here 📒 Accounting View papers → 💼 Business Studies View papers → 📈 Economics View papers → 🌍 Geography View papers → 🏛️ History View papers → 📖 English View papers → 🇿🇦 Afrikaans View papers → 🗣️ IsiNdebele View papers → 🗣️ IsiXhosa View papers → 🗣️ IsiZulu View papers → 🗣️ Sepedi View papers → 🗣️ Sesotho View papers → 🗣️ Setswana View papers → 🌾 Agricultural Sciences View papers →

Corresponding examination paper

Examination paper available

Open the corresponding examination paper to practise the questions before reviewing the marking memorandum on this page. Attempt every question under timed conditions for the most realistic preparation.

Life Sciences Paper 1 (English) →

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Pages12

Archived on7 September 2026

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