Life Sciences Memo 2 (Afrikaans)

May-June 2021 — Grade 12 / Matric — Life Sciences

Memo 2021 Grade 12 Afrikaans Life Sciences Hub →

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🎯 150 marks 📄 3 pages 📝 36 items found 📚 1 topics

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1.1.7C/ (7 x 2\

1.2.9Waterstof binding Monohibried kruising Stam selle Sentriole /Sentrosoom Metafase

1.3.3Beide A en B Slegs B Slegs A (3 x 2\ (6\

1.4.4Lokus chromatied sentromeer Oorkruising Profase I

1.4.5(a\ (b\ Ggtt Plant hoogte (2\ (1\

1.5.1(a\ (b\ (1\ (1\

1.5.4/Vier A; C; T; G (moet in korrekte volg orde wees\ DNS/DNA

1.6.1(a\ (b\ /Vier /Een (1\ (1\

1.6.3(a\ (b\ (c\ Seun 1 Moeder Seun 1 (1\ (1\ (1\

2.1.1(a\ (b\ GAC ACU (1\ (2\

2.1.2Geen mutasie (1\

2.1.3CTC op die DNS/ DNA het verander na CAC

2.1.4

2.2Elke oRNS/tRNA dra n aminosuur Wanneer die antikodon op die oRNS/tRNA by die kodon van die bRNS/mRNA pas

2.3.5Outosome Vroulik Die gonosome /chromoso paar

2.4.2Fenotipe Grys Swart Genotipe BW

2.4.1

2.5.1Die dominante alleel word altyd uitgedruk in die fenotipe\ wanneer in die heterosigotiese toestand OF

2.5.2(a\ (b\ Tt (1\ (1\

2.5.3

3.1.1Naakte vingerpunte naels in plaas van kloue Opponerende duime

3.1.2Verskille tussen die Afrika ape en mense Afrika ape Mense Klein kranium

3.1.3Kort en wyd breed Koppievormig

3.2.1(6\ Riglyn vir die assessering van die grafiek KRITERIUM UITBREIDING PUNT Korrekte tipe grafiek (T\ Histogram

3.2.2x 100 = 4,47 % ( Aanvaar 4,5\ (3\

3.2.4

3.3.1Filogenetiese stamboom /kladogram (1\

3.3.2Emoe en Kasuaris (Merk slegs eerste TWEE\ (2\

3.3.3

3.3.4Laat tyd toe vir hulle om te kruisteel poog om te kruisteel Indien hulle onvrugbare nageslag voortbring nie kan kruisteel nie, is hulle verskillende

3.4.1Oorlewing van uile (1\

3.4.2Die bruin uile is minder geskik om te oorleef as die wit uile OF Die wit uile is meer geskik om te oorleef as die bruin uile (2\

3.4.3Daar is n afname in die getal wit uile omdat daar minder sneeu is en

3.4.4Hulle het die aantal uile aan die begin van die 4 maande tydperk getel /monster geneem en weer aan die einde getel

3.4.5Dieselfde Tydperk 4 maande

Q4— Section header —

Topics Identified

Genetics

Mark Allocation

Total150 marks

Sections40 + 40 = 80 marks

Paper information

SubjectLife Sciences

Year2021

SessionMay-June

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages13

Downloads3

Examination context

Decade2020s

Years ago5y

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 2 (Afrikaans) →

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