Life Sciences Memo 2 (English)

November 2024 — Grade 12 / Matric — Life Sciences

Memo 2024 Grade 12 English Life Sciences Hub →

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🎯 150 marks 📄 11 pages 📝 39 items found 📚 2 topics

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1.1.8.1.9

1.2.9Deoxyribonucleic acid /DNA Haploi entromer transfer RNA

1.3.3oth only

1.4.1(a\ (b\ (DNA\epli cation Hydrogen nd (1\

1.4.2(a\ (b\ Nu leotide hy min

1.4.4Inter ph ase Nu leus (1\ (1\ (6\

1.5.2Dih brid cross ed spots

1.5.3(a\ (b\ (c\ RRee Rree

2.1.1mRNA /messenger RNA (1\

2.1The DNA double helix unwinds and the double strand

2.1.3Molecule (DNA\ is double stranded double helix\ Molecule

2.1.4TAC (1\

2.1.5Arginin Proli (2\ (12\

2.2.1Ana ph ase II (1\

2.2.2Chromosome pairs separate during Anaphase chromosomes move to the poles A chromosome separates during Anaphase II /chromatids

2.2.3(a\ (b\ entriole centroso Sp

2.2.4Attaches to the centromere to pull chromatids/chromosomes towards the (opposite\oles OR it contracts /shortens

2.2Diagram showing meta ph ase II Guideline for assessing the drawing

2.3.1(1\

2.3.2Complete dominan (1\

2.3.3The man is heterozygous is I for blood group A The woman has an allele for blood group B

2.3.4Guideline for assessing the graph CRITERIA ELABORATION MARK Correct type of graph (T\ Bar graph drawn Caption of graph

2.4.1Three /3 (1\

2.4.2(a\ (b\ Ma le without muscular dystrophy

2.4.3Males only have one X chromosome /XY and need only one recessive allele to have muscular dystrophy The X

2.4.4Phenotype Female without muscular dystrophy Male without muscular

3.1.1The Bt producing gene is cut from the bacterial DNA and inserted into maize DNA This recombinant DNA caus

3.1.2Fewer crops damaged leads to increased yield /more food for people/increased food security/healthier crops /more profit Reduced need for pesticides

3.2.3Gibbons /U For gibbons at 3.2.2 They share the most recent common ancestor OR Old

3.2.4Humans Chimpanzees Gorillas Any (Mark first THREE only\ (3\

3.2.5Freely rotating arms Long upper arms Rotation around the elbow joints

3.3.1(a\ (b\ Type of milk Height of children (1\ (1\

3.3.2Continuous (variation\ (1\ Life Sciences/P2 10 DBE/November 2024 NSC Marking Guidelines Copyright reserved

3.4Homo erectus Homo sapiens Small brain Large brain Prominent brow ridges Reduced brow ridges (M

3.4.4The foramen magnum was in a more forward position (1\ (1

3.5.1hanges in the genetic composition of organisms

3.5.2Leads to cancer /death /mutations (1\

3.5There was variation amongst the population of the wolves

3.4.1The oldest fossils of Homo erectus were found in Africa , while the younger fossils were found in other parts of the world

Topics Identified

Cell BiologyGenetics

Mark Allocation

Total100 marks

Sections50 + 50 = 100 marks

Paper information

SubjectLife Sciences

Year2024

SessionNovember

TypeMemo

PaperPaper 2

LanguageEnglish

Pages11

Downloads3

Examination context

Decade2020s

Years ago2y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2024

Days since exam720

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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Pages11

Archived on7 September 2026

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