Life Sciences Memo 1 (Afrikaans)

May-June 2024 — Grade 12 / Matric — Life Sciences

Memo 2024 Grade 12 Afrikaans Life Sciences Hub →

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1.2.1Nekslagaar /karotisarterie/karotisslagaar

1.2.2Viviparie

1.2.3Stafies

1.2.4Corpus luteum

1.2.5Epididimus

1.2.6Timpanum membra /timpanum/timpaniese membraan

1.2.7Testis .2.8 Prolaktien x 1\

1.3.3Slegs Beide en Slegs (3 x 2\

1.4.1Bre in Rugmurg Merk slegs eerste TWEE (2\

1.4.2(a\ (b\ Corpus callosum erebellum (1\ (1\

1.4.3(a\ (b\ Medulla oblongata erebrum (2\ (2\

1.5.1

1.5.2Afneem (1\ (5\

1.6.1(a\ (b\ Amniotiese vloeistof/ mnio vloeistof Plas

1.6.2(a\ (b\ Naelstringvene ae stringaar

2.1.2

2.1.3Dit het n dop om uitdroging van die embrio/amnio vloeistof te voorkom

2.1.4Wyfies kan sonder mannetjies voortplant wat die kans op oorlewing van die spesie verbeter /dus word minder energie vi voortplanting gebruik (Merk slegs eerste EEN\ (2\

2.2.2Stimuleer ovulasie Stimuleer die ontwikkeling van die corpus luteum (Merk slegs eerste TWEE\ Follikelstimulerende hormoon /FSH

2.2.4Progesteroon Die (progesteroon vlakke bly laag Die LH vlakke is laag

2.2.5lakke van hormoon X/ progesteroon bly hoog (1\ (9\

2.3.1(a\ (b\ Ouderdom Vrugbaarheid by mans (1\ (1\

2.3.2Hulle het die volgende bepaal: spermtelling /aantal normale sperms per semen progressiewe beweeglikheid

2.3.3Die o ndersoek is uitgevoer van 1999 to 2017 oor 18

2.3.4

2.4.1(a\ (b\ Mitochondria Ak roso (1\ (1\

2.4.2aadbuisies /semina e buisies/seminale tubules (1\

2.4.3(a\ (b\ Dit versmelt met die nukleus (selkern\an die ovum om die sigoot te vorm Dit dra genetiese materiaal

2.4.4Organelle in deel stel energie vry wat beweging (van deel \elaat

2.4.5mm/minuut x 45 minute = 225

2.5.1(a\ (b\ Gehoorsenuwee Koglea (1\ (1\

2.5.2(a\ (b\ Absorbeer oortollige drukgolwe vanaf die inwendige oor

2.5.3Die persoon sal aan gehoorverlies doof wees omdat

2.6Krista word gestimuleer deur n veranderi ng in spoe

3.1.1(a\ (b\ (c\ Blinde vlek ornea Sk lera

3.1.2Radiale spiere trek saam en kringspiere ontspan Die pupil verwyd

3.1.3Akk ommoda sie (1\

3.1.4Dit is meer konveks sodat ligstrale meer gebreek (gebuig\ord om op die retina gefokus te word / 'n

3.2.1Die pad waarlangs impulse oor gedra word om n refleksaksie teweeg te bring

3.2.2(a\ (b\ (c\ Guillain Barre sindroom (Merk slegs eerste EEN\

3.2.3By hiporefleksie is die skade tussen die rugmurg en die skeletspiere terwyl by hiperrefleksie is die skade tussen die brein en die rugmurg (Merk slegs eerste EEN\

3.2.5

3.3.1(a\ (b\ Insuli Gluk agon

3.4.3Dit stimuleer die asemhalingspiere en dit verhoog die tempo

3.5.1(a\ (b\ Geotropism /Gravitropism Ouksiene (1\ (1\

3.5.2

3.5.3Die saailing moet konstant geroteer word om die invloed van swaartekrag uit te skakel (2\ (9\ [50] TOTAAL AFDELING B: TOTAAL:50

3.3.28:00 en 9:00 (1\

3.3.3Glukose vlakke van die bloed verhoog tot bokant 7,1mm ol /L

3.3.4Vlakke van glukose in bloed het verlaag tot onder 3,9 mmol/L teen 14:00 wat die

3.3.5Vlakke sou hoog bly vir n langer tydperk (2\ (12\

3.4.1Bynier /adrenale klier (1\

3.4.2

Topics Identified

Cell BiologyGenetics

Mark Allocation

Total100 marks

Sections50 + 50 = 100 marks

Paper information

SubjectLife Sciences

Year2024

SessionMay-June

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages9

Downloads3

Examination context

Decade2020s

Years ago2y

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 (Afrikaans) →

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