Life Sciences Memo 1 (English)

Feb-March 2018 — Grade 12 / Matric — Life Sciences

Memo 2018 Grade 12 English Life Sciences Hub →

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🎯 150 marks 📄 2 pages 📝 26 items found 📚 4 topics

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Questions — A Preview of What to Expect in the Document

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Q1— Section header —

1.2.1Monoculture

1.2.2Biological control

1.2.3Blastocyst /blastula

1.2.4ADH

1.2Poaching

1.2.6crosome

1.2.7Prolactin

1.2Peripheral nervous system (8 x 1\ (8

1.3.3Both A and B None Both A and B (3 x 2\ (2\ (2\ (2\ (6\

1.4.5Cerebrum Cerebellum Pituitary gland

1.5.2(a\ Diagram 1 (b\ Diagram 2 and Diagram 3 (c\ Diagram and Diagram 2

Q2— Section header —

2.1.3(a\ FSH /Follicle stimulating hormone (b\ Ovulation It auses the

2.2.6Oogenesis At the end of the process in DIAGRAM I/ oogenesis one gamete/ovum forms

2.3.1(a\ Refraction of light Focus light rays on the retina (Any 1\ (MARK FIRST ANSWER ONLY\

2.3(a\ The pupil /part B can dilate more

2.4he cristae are stimulated The stimul are converted to impulses

0.35Coal Petrol Diesel Paraffin Solar, wind, Hydro-power Carbon dioxide emission (kg CO /kW\

3.1.4They are fuels that can be depleted /Millions of years required to replace CO is released

Q3— Section header —

3.2.6(a\ uxin concentration (b\ lumule growth For

3.4.1It act as a micro filter /prevents harmful substances from reaching the foetus It secretes progesterone /oestrogen during pregnancy

3.4.2BLOOD VESSEL C BLOOD VESSEL D High concentration of nutrients /example of nutrient Low concentration of nutrients /example of nutrient Low concentration of waste

3.4.4Waste products/nitrogenous waste/CO will accumulate in the foetus body causing the death of the foetus

Q4— Section header —

Topics Identified

Cell BiologyGeneticsHuman PhysiologyPhotosynthesis

Mark Allocation

Total150 marks

Sections40 = 40 marks

Paper information

SubjectLife Sciences

Year2018

SessionFeb-March

TypeMemo

PaperPaper 1

LanguageEnglish

Pages12

Downloads4

Examination context

Decade2010s

Years ago8y

Season—

Start day—

Exam period—

Days since exam—

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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File size278 KB

Pages12

Archived on7 September 2026

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