Articles related to CBSE Class 12 Board Examination on page 6


Complete Summary and Solutions for Biotechnology: Principles and Processes – NCERT Class XII Biology, Chapter 9 – Genetic Engineering, Recombinant DNA Technology, Bioprocess Engineering, Exercises
Comprehensive summary and detailed explanation of Chapter 9 'Biotechnology: Principles and Processes' from the NCERT Class XII Biology textbook, covering fundamental concepts of biotechnology, genetic engineering techniques including recombinant DNA, cloning, vectors, gene amplification, transformation, expression, large-scale production with bioreactors, downstream processing, and all textbook exercises with answers.

Complete Summary and Solutions for Biotechnology and Its Applications – NCERT Class XII Biology, Chapter 10 – Agricultural Biotechnology, Medical Biotechnology, Transgenic Animals, Ethical Issues
Comprehensive summary and explanation of Chapter 10 'Biotechnology and Its Applications' from the NCERT Class XII Biology textbook, covering biotechnological applications in agriculture including genetically modified crops, tissue culture, biopesticides, medical biotechnology for producing human insulin, gene therapy, molecular diagnosis, transgenic animals and related ethical considerations, with detailed answers to all textbook exercises.

Complete Summary and Solutions for Microbes in Human Welfare – NCERT Class XII Biology, Chapter 8 – Fermentation, Antibiotics, Sewage Treatment, Biogas, Biocontrol, Biofertilizers
Comprehensive summary and explanation of Chapter 8 'Microbes in Human Welfare' from the NCERT Class XII Biology textbook, covering roles of microbes in household and industrial products, production of beverages and antibiotics, sewage treatment processes, biogas generation, microbial biocontrol agents, biofertilizers, and detailed answers to all textbook exercises.

Complete Summary and Solutions for Human Health and Disease – NCERT Class XII Biology, Chapter 7 – Infectious Diseases, Immunity, AIDS, Cancer, Drug Abuse, Exercises
Comprehensive summary and explanation of Chapter 7 'Human Health and Disease' from the NCERT Class XII Biology textbook, covering common human diseases caused by pathogens, immune system and immunity types, AIDS, cancer biology and treatment, drug and alcohol abuse, prevention and control measures, and all textbook exercises with answers.

Complete Summary and Solutions for Evolution – NCERT Class XII Biology, Chapter 6 – Origin, Evidence, Mechanisms, Adaptive Radiation, Human Evolution
Detailed summary and explanation of Chapter 6 'Evolution' from the NCERT Class XII Biology textbook, covering origin of life, theories of evolution, evidences from fossils and comparative anatomy, adaptive radiation, biological evolution, mechanisms like natural selection, Hardy-Weinberg principle, and a brief account of human evolutionary history, along with textbook questions and answers.

Complete Summary and Solutions for Molecular Basis of Inheritance – NCERT Class XII Biology, Chapter 5 – DNA Structure, Replication, Transcription, Genetic Code, Human Genome Project
Comprehensive summary and explanation of Chapter 5 'Molecular Basis of Inheritance' from the NCERT Class XII Biology textbook, covering DNA and RNA structure, discovery of genetic material, DNA replication, transcription, genetic code, translation, gene expression regulation, Human Genome Project, DNA fingerprinting, and answers to all textbook exercises.

Complete Summary and Solutions for Principles of Inheritance and Variation – NCERT Class XII Biology, Chapter 4 – Mendelian Laws, Chromosomal Theory, Genetic Disorders, Questions, Answers
Comprehensive summary and explanation of Chapter 4 'Principles of Inheritance and Variation' from the NCERT Class XII Biology textbook, covering Mendel’s laws, monohybrid and dihybrid crosses, chromosomal theory, linkage, recombination, polygenic inheritance, sex determination, mutation, pedigree analysis, and genetic disorders with all textbook questions and answers.

Complete Summary and Solutions for Reproductive Health – NCERT Class XII Biology, Chapter 3 – Problems, Strategies, Birth Control, STIs, Infertility, Exercises
Comprehensive summary and explanation of Chapter 3 'Reproductive Health' from the NCERT Class XII Biology textbook, covering reproductive health problems and strategies, birth control, population explosion, medical termination of pregnancy (MTP), sexually transmitted infections (STIs), infertility management, and detailed textbook answers.

Complete Summary and Solutions for Human Reproduction – NCERT Class XII Biology, Chapter 2 – Male and Female Reproductive Systems, Gametogenesis, Menstrual Cycle, Fertilisation, Pregnancy, Parturition, and Questions with Answers
Comprehensive summary and explanation of Chapter 2 'Human Reproduction' from the NCERT Class XII Biology textbook, covering the structure and functions of the male and female reproductive systems, gametogenesis, menstrual cycle, fertilisation, pregnancy, parturition, lactation, and all NCERT textbook questions with detailed answers.

Complete Summary and Solutions for Sexual Reproduction in Flowering Plants – NCERT Class XII Biology, Chapter 1 – Structures, Events, Apomixis, Questions, Answers
Comprehensive summary and explanation of Chapter 1 'Sexual Reproduction in Flowering Plants' from the NCERT Class XII Biology textbook, including flower structure, pre- and post-fertilization events, double fertilization, apomixis, polyembryony, and all textbook questions and answers.

Complete Summary and Solutions for Ecosystem – NCERT Class XII Biology, Chapter 12 – Structure, Function, Productivity, Energy Flow, Pyramids
Comprehensive summary and explanation of Chapter 12 'Ecosystem' from the NCERT Class XII Biology textbook, covering the structure and function of ecosystems, productivity (GPP, NPP), energy flow, food chains, ecological pyramids, decomposition, nutrient cycling, examples of terrestrial and aquatic systems, and detailed textbook questions with answers.
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