Life Sciences Memo 2 (English)

May-June 2017 — Grade 12 / Matric — Life Sciences

Memo 2017 Grade 12 English Life Sciences Hub →

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🎯 150 marks 📄 11 pages 📝 21 items found 📚 4 topics

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Questions — A Preview of What to Expect in the Document

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Q1— Section header —

1.1.10NO CORRECT ANSWER x 2\

1.2.1Locus

1.2.2Australopithecus

1.2.3Pedigree diagram

1.2.4Peptide bond

1.2.8Interphase (Homo\ habilis Stem meristematic cell Artificial selection selective breeding x 1\

1.3.3oth A and B Both A and B None x 2\ (6\

1.5.3ranium row ridge Canine (a\ (Mark first TWO only\ (b\ (Mark first ONE only\ (c\ (Mark first ONE only\

Q2— Section header —

2.1.3messenger RNA (a\ Nitrogenous base (b\ Ribose The double stranded DNA molecule unwinds and unzips separates hen the hydrogen bonds break

2.2.2Crossing over Random arrangement of chromosomes Independent random assortment of chromosomes Random fertilisation Random mating Any 3 (Mark first THREE only\ Continuous variation occurs when there is a range of phenotypes

2.4.1(a\ (b\ Temperature Number of clover plants that survived percentage survival (1\ (1\

2.4.6Repeat the investigation Set up more greenhouses at each temperature Use a larger sample of clover plants Increase the period of the investigation Any 2 (Mark first TWO only\ They counted the number of clover plants that survived

3.1.4A pair of chromosomes that are similar in length arry genes for the same characteristics ave alleles at the same loci ave the same centromere position One is obtained from each parent Any 2 (Mark first TWO only\

3.1.5(a\ (b\ RrTt RT, (1\ (2\ (14\

Q3— Section header —

3.2Phenotype Blood type A Blood type B Genotype Meiosis gametes Fertilisation Genotype ; I

3.3.4

3.4.8Genetic engineering modification manipulation/ recombinant DNA technology Can kill other useful insects Can cause pollution May cause harm to consumers of the produce

Q4— Section header —

Topics Identified

Cell BiologyGeneticsEvolutionEcology

Mark Allocation

Total150 marks

Sections40 + 40 = 80 marks

Paper information

SubjectLife Sciences

Year2017

SessionMay-June

TypeMemo

PaperPaper 2

LanguageEnglish

Pages11

Downloads4

Examination context

Decade2010s

Years ago9y

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 (English) →

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File size341.8 KB

Pages11

Archived on7 September 2026

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