Class 12 Biology all important topics
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Chapter 1 – Reproduction in Organisms Topics: 1. Modes of asexual reproduction
Chapter 2 – Sexual Reproduction in Flowering Plants Topics: 1. Pre-fertilisation Events 2. Inbreeding depression 3. Double fertilisation
Chapter 3 – Human Reproduction Topics: 1. Gametogenesis, Fertilisation and Events of Pregnancy
Chapter 4 – Reproductive Health Topics: 1. Birth control methods 2. Sexually transmitted diseases
3. Techniques to treat infertility
Chapter 5 – Principles of Inheritance and Variation Topics: 1. Mendel’s Laws 2. Post-Mendelian Genetics 3. Chromosomal Disorders and Pedigree analysis
Chapter 6 – Molecular Basis of Inheritance Topics: 1. Structure of DNA 2. Experiments of F. Griffith, Hershey & Chase and Meselson & Stahl 3. Mechanism- replication, transcription and translation 4. Salient features of genetic code 5. lac operon
Chapter 7 – Evolution Topics: 1. Homologous and analogous organs 2. Adaptive radiation 3. Hardy-Weinberg principle
Chapter 8 – Human Health and Disease Topics: 1. Life cycle of Plasmodium 2. Causative agents of different diseases and their mode of transmission 3. Difference between innate and adaptive immunity 4. AIDS and Drug Abuse
Chapter 9 – Strategies for Enhancement in Food Production Topics: 1. Inbreeding and outbreeding 2. Single cell protein
Chapter 10 – Microbes in Human Welfare Topics: 1. Microbes and their products 2. Sewage treatment 3. Biogas production
Chapter 11 – Biotechnology: Principles and Processes Topics: 1. Restriction enzymes 2. Cloning vectors 3. Transformation processes
Chapter 12 – Biotechnology and Its Applications Topics: 1. Bt cotton 2. RNA interference 3. Gene therapy 4. Genetically engineered insulin
Chapter 13 – Organisms and Population Topics: 1. Population interactions
Chapter 14 – Ecosystem Topics: 1. Pyramids of number, energy and biomass 2. Nutrient cycling 3. Ecological Succession
Chapter 15 – Biodiversity and Conservation Topics: 1. Causes of biodiversity losses
Chapter 16 – Environmental Issues Topics: 1. Air pollution 2. Eutrophication and Biomagnification
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