Life Sciences version 1 Life Sciences version 2 English P2 memo

November 2012 — Grade 12 / Matric — Life Sciences version 1

Memo 2012 Grade 12 English Life Sciences Hub →

↓ Download PDF 📄 215.1 KB View Exam Paper

Preparing document

📋 Document Analysis

🎯 150 marks 📄 10 pages 📝 28 items found 📚 4 topics

See full analysis

Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.1.7(14

1.2.1Sustainable

1.2.2Biogeography

1.2.3Food web

1.2.4Alien species

1.2.6Biodegradable Abiotic factors

1.3.8Both A and B B only Both A an only A only Both A and B only x 2\

1.4Distance from outflow on the percentage of dissolved oxygen and the number of certain organisms

1.4.5The size/volume of the water samples size of container must be the same The samples must be taken at the same depth Samples must b e take n at the same time in all areas

1.5.2(a\ increase (b\ decrease The big fish population will die off/ decrease

Q2— Section header —

2.1.5Table mountain trace fossils Jurassic It would indicate that complex organism did not evolve from simple organisms therefore the theory will be rejected It would mean the simple organisms co existed

2.2.2Starvation resistance time (hours\ Temperature in the containers Flies from the same generation /age Flies of the same species Same /amou food given

2.2.3As a result of genetic variation in the fruit flies population some fruit flies had longer starvation resistance time and others not. When the re was no food the fruit flies with shorter starvation resistance

2.3.2illions years They could see further away to see predators at a distance (2\

2.3times

2.3All horses had toes originally Horses did not use the toes frequently when the environment changed the toes disappeared fused The fused toes acquired in this way

2.3There is no evidence that acquired characteristics are inherited (2\ [30]30

Q3— Section header —

3.3(a\ diagrams 1 and 3 (b\ diagrams 2 and 3 They have different basic plan /insects wings part of exoskeleton and mole limb is part of endoskeleton indicating different origin

3.2.1CHARACTERISTIC ORGANISM A ORGANISM B Jaw Skull Pelvis Foot CHARACTERISTIC ORGANIS

3.2.4Foramen magnum The position has shifted forward to support the skull bipedalism upright posture (1\ (3\

Q4— Section header —

4.1Secondary consumers e.g. birds can eat the pests with the poison , which can kill the birds thereby decreasing the population size of birds The pest can go extin , and the population size secondary consumer feeding on the pest will also decreases

4.2Introduce legislation to control air pollution Monitor emissions from industries to ensure that legislation is being followed Impose heavy fines to discourage repeated acts of pollution Provide incentives to

4.3Rubric for the mark allocation of the graph Correct type of graph Title of graph Correct label for X axis Correct label for Y axi Appropriate scale for X axis

4.3181/4 = 45, Making ornaments Medicinal use Aph rodisiac /sexual stimulant (Mark first TWO only\ (1\

Topics Identified

GeneticsEvolutionEcologyPhotosynthesis

Mark Allocation

Total150 marks

Sections30 = 30 marks

Paper information

SubjectLife Sciences version 1

Year2012

SessionNovember

TypeMemo

PaperPaper 2

LanguageEnglish

Pages10

Downloads5

Examination context

Decade2010s

Years ago14y

SeasonSpring (SH)

Start dayMonday

Exam periodNovember 2012

Days since exam5,102

About Life Sciences version 1 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 version 1 English P2 →

File details

File size215.1 KB

Pages10

Archived on8 September 2026

File age47d

ContributorFreeMode

Fingerprint8AC8FDE9B22D

Questions and learner discussion

No questions or discussions have been posted yet.