Parow High School – So We Can Transcend!



SUGGESTED PLANNING of TEACHING and ASSESSMENT Grade 12 Life Sciences 2020TERM 1 48 days1: 15 -17 Jan (3 days)2: 20-24 Jan 3: 27-31 Jan 4: 03-07 Feb 5: 10-14 Feb 6: 17-21 Feb 7: 24-28 Feb 8: 02-06 Mar 9: 09-13 Mar 10: 16-20 Mar CAPS topic(National Examination Guideline pg. 5) DNA: The code of Life [12 %](National Examination Guideline pg. 6) Meiosis [20%](National Examination Guideline pg. 9) Genetics and Inheritance [36%] (National Examination Guideline pg. 13) Evolution [40%] Concepts, skills and valuesDNA: location, chromosomes, genes and extra-nuclear DNA and discovery of DNAStructure, role and replication of DNA, DNA profiling(Extract DNA and observe and examine the threads)RNA: Types, location, structure. Genetic coding. Transcription and translationStructure of a chromosome and associated terminology, process of meiosis, importance of meiosis(Observe diagrams/micrographs of cells in selected stages of meiotic division)Abnormal meiosis and consequences, similarities and differences between meiosis and mitosisConcepts of inheritance, Monohybrid crosses, sex determination, sex-linked inheritanceDyhybrid crosses, Blood groupingGenetic lineages/pedigree diagrams, mutationsGenetic engineering, paternity testing and genetic linksIntroduction to evolution e.g. biological evolution, hypothesis, theory. Evidence for evolution and variationRequisite pre-knowledgeGrade 10: Revise cell structure with emphasis on the ribosome, cytoplasm and parts of the nucleus, nucleic acidsGrade 10: Revise cell structure with emphasis on the ribosome, cytoplasm and parts of the nucleus, nucleic acidsGrade 10: Revise cell structure with emphasis on the ribosome, cytoplasm and parts of the nucleus, nucleic acidsGrade 10: Revise mitosis and cell structure with emphasis on parts of the nucleus, the centrosome and the cytoplasmGrade 10: Revise mitosis and cell structure with emphasis on parts of the nucleus, the centrosome and the cytoplasmRevise cell structure and differentiate between chromatin and chromosomes, genes and allelesRevise format of genetic cross diagramsInterpreting pedigree diagramsGrade 10: revise stem cell research and cloning Revise fossil record and biogeography (Grade 10), Genetics (Grade 12)Resources (other than textbook) to enhance learning Power Point slides and videos of DNA and RNA structure, replication and protein synthesis, Past examination papersPower Point slides and videos of DNA and RNA structure, replication and protein synthesis, Past examination papersWatch Telematics video on protein synthesis and mutations at: the Gap diagrams of different stages of meiosis, Past examination papersWatch Telematics video on Meiosis at: the Gap Genetic crosses, Past examination papersPast examination papersPast examination papersPast examination papers, videos and power points on genetic engineeringPast examination papers, videos and power points on an introduction to evolutionInformal assessm; remediationRevision questions Case studies and questions from past papers of DNA profiling, testsQuestions from past papers on transcription and translation, testsQuestions from past papers, tests: Past examination paper questions especially application questions, testsPast examination paper questions, practice questions on genetic crosses, testsPast examination paper questions, practice questions on genetic crosses, pedigree diagrams, scientific investigations, testsPast examination papers questions, testsSBA (Formal Assessment)Revise scientific investigative skills and other practical skills. Preparation for tasks 1 and 2 TASK 1: PRACTICAL TASK (20 - 40 marks)TASK 2: TEST (minimum 50 marks)TERM 2 54 days1: 31 Mar -03 Apr (4 days) 2: 06-09 Apr (4 days) 3: 14 -17 Apr (4 days) 4: 20 -24 Apr 5: 28 -30 Apr (3 days) 6: 04 -08 May 7: 11- 15 May8: 18-19 May (2 days) 8,9,10,11: 20 May – 12 June (18 days)CAPS topic(National Examination Guideline pg. 13) Evolution [56 %](National Examination Guideline pg. 8) Human Reproduction [64%](National Examination Guideline pg. 7) Reproduction in vertebrates [68%]TASK 5: MID-YEAR EXAMINATIONPAPERMarks: 150 Time: 2? hoursCovers term 1 and 2 content topics Learners must answer all 4 questions. Section A: Question 1 Short questions, objective questions e.g. MCQ, terminology, columns/statements and items, diagrams, graphs and tables (50 marks)Section B:Question 2 and 3 Variety of question types.2 questions of 40 marks divided into 2 -4 subsectionsSection C: Question 4 Essay question (20 marks -17 marks content and 3 marks for synthesis)Cognitive levels: Knowing Science – 40%; Understanding Science-25%; Applying scientific knowledge-20%; Evaluating, analysing and synthesising – 15%Concepts, skills and valuesLamarckism, Darwinism and Punctuated equilibriumArtificial selection and speciation, reproductive isolation mechanisms, evolution in present timesEvidence of common ancestors for living hominids, including humans, Out of Africa hypothesisStructure of male and female reproductive systems, Puberty, gametogenesisMenstrual cycle, fertilisation and development of zygote to blastocyst, Implantation, gestation and the role of the placentaDiversity of reproductive strategiesRequisite pre-knowledgeRevise genetics and variation (Grade 12). Human skeleton (Grade 10)(Grade 9) reproductive system, Meiosis (Grade 12)ReproductionResources (other than textbook) to enhance learning Watch Telematics video on natural selection, punctuated equilibrium and speciation at: the Gap Study Guide, past examination papers, videos and power pointsInformal assessm; remediationQuestions from past papers, testsQuestions from past papers, tests, scientific investigationsSBA (Formal AssessmentTASK 3: PRACTICAL TASK (20 - 40 marks)Preparation for Task 4.TASK 4: TEST(minimum 50 marks)Preparation for June Exam.TERM 3 53 days1: 07 - 10 Jul (4 days) 2: 13 - 17 Jul 3: 20-24 Jul 4: 27-31 Jul 5: 03-07 Aug 6: 11-14 Aug (4 days) 7: 17 -21 Aug 8, 9,10,11: 24 Aug – 18 Sept (20 days) CAPS topic(National Examination Guideline pg. 10) Responding to the environment (humans) [80 %](National Examination Guideline pg.12) Human endocrine system [84%](National Examination Guideline pg.12) Homeostasis in humans [88%](National Examination Guideline pg.13) Responding to the environment (plants) [92%](National Examination Guideline pg.16)Human impact on the environment [100%]TASK 9: TRIAL EXAMINATIONPAPER 1 Marks: 150 Time: 2? hoursLearners must answer all 4 questions. Topics and marks: Meiosis – 11 Reproduction in Vertebrates – 6 Human Reproduction – 31 Nervous system - 40 Endocrine system – 15 Homeostasis – 11Plant hormones – 11Human impact - 25PAPER 2Marks: 150 Time: 2? hoursLearners must answer all 4 questions. Topics and marks: DNA and RNA – 27 Meiosis – 12 Genetics – 45Evolution- 66Same format as Mid-year paperSame format as Mid-year paperSee Mid-Year examination for Cognitive levelsConcepts, skills and valuesHuman nervous system – central, peripheral and autonomic, nerve, reflex arc, disordersHuman eye, Human EarHuman earEndocrine and exocrine glands, glands, hormones and functions of hormonesNegative feedback mechanisms – glucose, carbon dioxide, water, salts, thermoregulationPlant hormones, plant defence mechanismsThe atmosphere and climate change, water availability, water quality, Food security, Loss of biodiversity, solid waste disposalRequisite pre-knowledgeHuman nervous system (Grade 9)Homeostatic control in nutrition, gaseous exchange and excretion (Grade 11)Hormones (Grade 12)Human impact (Grade 11), Biodiversity (Grade 10)Resources (other than textbook) to enhance learning Mind the Gap Study Guide, past examination papers, videos and power points, models of the brain, spinal cord, eye and ear Watch Telematics video on sense organs at: the Gap Study Guide, past examination papers, videos and power points Watch Telematics video on homeostasis at: the Gap Study Guide, past examination papers, videos and power pointsWatch Telematics video on human impact at assessm; remediationQuestions from past papers, tests, scientific investigationsData response questions, case studies, questions from past papersSBA (Formal AssessmentPreparation for Task 6.TASK 6: PRACTICAL TASK: (20 - 40 marks)Preparation for Test and AssignmentTASK 7: TEST(minimum 50 marks). TASK 8: ASSIGNMENT(100 marks)Preparation for Trial ExaminationTERM 4 47 days1,2,3: 29 Sept –16 Oct (14 days)4,5,6,7,8,9: 19 Oct – 27 Nov (30 days)CAPS topicRevision Paper 1 and Paper 2 contentFINAL NSC EXAMINATIONTo access all the Telematics videos of 2019 in English scan QR code below or go to ................
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