Life Sciences Memo 2 (Afrikaans)

November 2021 — Grade 12 / Matric — Life Sciences

Memo 2021 Grade 12 Afrikaans Life Sciences Hub →

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🎯 150 marks 📄 2 pages 📝 47 items found 📚 2 topics

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1.2.6Filogenetiese stamboom ladogram Pepti ed binding Gepunte ewewig

1.3.3Beide en Beide en Geeneen

1.4.1(a\ (b\ (c\ Sti stofbasis Guanien

1.4.2Nukleotiede (1\

1.4.3Dubbel heliks (1\

1.4.4DNS/ DNA\ eplisering (1\

1.4.5Nuk leus elkern /Chromosoom/Chromatied/Chromatien/ Nukleoplasma

1.5.1(a\ (b\ Testis Oorkruising (1\ (1\

1.5.2(a\ (b\ (c\ Chiasma entrome Chromati

1.6.1ffHh (1\

1.6.2(a\ (b\ (c\ (d\ FfHh Lang vingers en kontinue haarlyn (2\

2.1.1(a\ (b\ Nuk leus /selkern /nukleoplasma Riboso om /si

2.1.2DNS/ DNA bevat timien /T terwyl RNS/ RNA urasiel

2.1.3Transkripsie Die dubbele heliks DNS/DNA draai af

2.2Indien chromosoompaar 21 /chromosoom 21 nie skei tydens Ana

2.3.1Liggaamselle selle in die liggaam behalwe die geslagselle (1\

2.3.2Outosome (1\

2.3.3(a\ (b\ Een chromosoom kom van die sperm vader n die ander een kom van die

2.3.4Gonosome is nie identies nie /chromosome by posisie 23 is nie identies nie Individu 1 het XY gonosome /is

2.4.1(a\ (b\ Drie Twee (1\

2.5Fenotipe Manlik Vroulik Genotipe XY

2.4.2Horend (1\

2.4.3Bob en Ann kan albei hoor met die genotipe aa

2.4.4AA en Aa (2\ (9\ Lewenswetenskappe

2.6.1Ruggraat Heupe Sien slegs eerste TWEE na

2.6.2van stikstofbasisse nukleotiedes in DNS/ DNA (2\

2.6.3

2.6.4

2.6.5x 100 = 65 OF x 100 = 35% (100 35\

3.1.1

3.1.2Om te versker dat Die DNS/DNA van die ovum\ /eienskap van krulhare is verwyder

3.1.3Perd (1\

3.1.4Om organismes met gewenste eienskappe te produseer bv. gesondheid voorkoms voedsaam

3.2.1Biogeogra fie (1\

3.2.2Soortgelyke organismes wat kan kruisteel om vrugbare nakomelinge voort te bring (3\

3.2Die oorspronklike bevolking gemeenskaplike voorouer het eens gewoon

Q3— Section header —

3.3.1

3.3.2

3.4.1(a\ (b\ Galbol grootte Persentasie galvlieglarwes wat doodgemaak is (1\ (1\

3.4.2Voedingstowwe voedsel Beskerming Spasie Enige

3.4.3

3.4.4

3.4.5Riglyn vir die assessering van die grafiek 10

3.5.1(a\

3.5.1(b\ , Z (in enige volgorde Merk slegs eerste TWEE\

3.5.3Die bekken is lank en smal Die ruggraat s S

Topics Identified

Cell BiologyGenetics

Mark Allocation

Total150 marks

Sections50 = 50 marks

Paper information

SubjectLife Sciences

Year2021

SessionNovember

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages12

Downloads1

Examination context

Decade2020s

Years ago5y

SeasonSpring (SH)

Start dayFriday

Exam periodNovember 2021

Days since exam1,815

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 (Afrikaans) →

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