Life Sciences Memo 2 (English)

November 2013 — Grade 12 / Matric — Life Sciences

Memo 2013 Grade 12 English Life Sciences Hub →

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🎯 150 marks 📄 11 pages 📝 35 items found 📚 3 topics

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Q1— Section header —

1.1.10x 2\

1.2.1Census

1.2.2Carrying capacity

1.2.3Community

1.2.4Metamorphosis

1.2.5vule

1.2.6Style (6\

1.3.7Both A and B None B only B only B only B only only x 2\

1.4.1(a\ Equilibrium /stationary (b\ Accel erating logarithmic/exponential geometric (c\

1.4.3Environmental resistance imiting factors ogistic moid curve (1\

1.5.1(1\

1.5.2(1\

1.5.3(1\

1.5.4(1\

1.5.5(1\ TOTAL SECTION A:

Q2— Section header —

2.1(a\ Effector /muscle (b\ Synapse Spinal cord (d\ Connector neuron

2.1Impulse will not reach the CNS he body will be unaware of the stimulus no reflex action will occur , causing harm to the body (2\

2.1ulling your hand away from a hot object bli nking/coughing/ sneezing/ knee jerk any appropriate stimulus and response/ (swallowing/peristalsis/breathing/heartbeat/dilation and constriction of blood vessel/pupillary mechanism/ yawning/salivation\

2.2Make a decision on: place to do the investigation the time and duration the sample size where to obtain woodlice the apparatus needed how to create moist and dry conditions

2.2.2(a\ number of wood lice b\ amount of moisture (dry and moist conditions (1\ (1\

2.2.3ight intensity / temperature/ any envi ronmental condition ize /type of petri dish ize /type

2.3.1In adapted eyes the cone cells respond brig ht light While in

2.3.4(a\ Light pted (b\ark adapted Blind spot Rods and cones /photoreceptors are absent

3.2.5Illegal killing stealing of protected organisms They are sold at very high prices /increased demand for rhino horns Medicinal purpose /example

3.3.4hag will eat prey mostly from the surface sand eel and herring cormo ant eat prey mostly from the bottom flat fish and

Q3— Section header —

3.1High mortality amongst the young people Low percentage of people towards the end of their lifespan /Low life expectancy (Mark first TWO only\

3.4.3.4.4 Primary succession ichens colonise a habitat/bare rock for the first time Pioneer Forms a layer of soil Modifies/improves the envir onment

3.5.3The carnivorous fish population will decrease because the herbivore p opulation will decrease as there will be

Q4— Section header —

4.1.4Gibbe rellins stimulates cell elongation cell enlargement/ growth in stems elongation of internodes (Mark first O only\ Any

4.2.1Check list for the mark allocation of the graph Correct type of graph (T\ Title of graph Correct label , appropriate scale for X axis and width of the bars

4.2.4Insulin Pancreas Glucagon Adrenalin Thyroxin (Mark first TWO only\ (in any order\ Any (1\

Topics Identified

Cell BiologyGeneticsEcology

Mark Allocation

Total150 marks

Sections30 = 30 marks

Paper information

SubjectLife Sciences

Year2013

SessionNovember

TypeMemo

PaperPaper 2

LanguageEnglish

Pages11

Downloads3

Examination context

Decade2010s

Years ago13y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2013

Days since exam4,738

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 2 (English) →

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Archived on8 September 2026

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