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Biology Class 12 Notes
Chapter-wise Class 11 and 12 physics, chemistry, maths and biology notes from Narayan Gurukul Academy, Mohali — real formulas rendered properly, exam pointers, and worked numericals for CBSE, JEE and NEET. All notes are free to read and download, no signup required. New chapters are added regularly.
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14 notes in Biology, Class 12
Showing 1–14 of 14. Free to read and download — updated with new chapters every few weeks.
Class 12 Biology Notes (Chapter-Wise for CBSE & NEET)
Complete Class 12 Biology notes chapter-wise in NCERT order: reproduction, genetics and evolution, human health and disease, microbes, biotechnology, organisms and populations, ecosystem, and biodiversity and conservation — key points for CBSE boards and NEET.
Biodiversity and Conservation Class 12 Notes
Biodiversity and conservation class 12 notes: types of diversity, patterns, hotspots, threats, and in situ and ex situ conservation for CBSE and NEET.
Ecosystem Class 12 Notes
Ecosystem class 12 notes: productivity (GPP, NPP), energy flow and the 10% law, ecological pyramids, decomposition, nutrient cycles and succession for CBSE and NEET.
Organisms and Populations Class 12 Notes
Organisms and populations class 12 notes: abiotic factors, adaptations, population attributes, exponential and logistic growth, and species interactions for CBSE and NEET.
Biotechnology and Its Applications Class 12 Notes
Biotechnology and its applications class 12 notes: Bt crops, recombinant insulin, gene therapy, molecular diagnosis, transgenic animals and bioethics for CBSE and NEET.
Biotechnology: Principles and Processes Class 12 Notes
Biotechnology Principles and Processes Class 12 notes: genetic engineering tools, restriction enzymes, vectors, PCR, gel electrophoresis, transformation and bioreactors for CBSE and NEET.
Microbes in Human Welfare Class 12 Notes
Microbes in Human Welfare Class 12 notes: role of microbes in household products, industrial production, sewage treatment, biogas, biocontrol and biofertilisers for CBSE and NEET.
Human Health and Disease Class 12 Notes
Human Health and Disease Class 12 notes: common diseases and pathogens, immunity, vaccination, cancer, AIDS, drugs and alcohol abuse for CBSE and NEET.
Evolution Class 12 Notes
Evolution class 12 notes: Oparin-Haldane hypothesis, evidences of evolution, Darwin's natural selection, Hardy-Weinberg principle, speciation and human evolution for CBSE and NEET.
Molecular Basis of Inheritance Class 12 Notes
Molecular basis of inheritance class 12 notes: DNA structure, replication, transcription, genetic code, translation, lac operon, Human Genome Project and DNA fingerprinting for CBSE and NEET.
Principles of Inheritance and Variation Class 12 Notes
Principles of inheritance and variation class 12 notes: Mendel's laws, crosses, chromosomal disorders, pedigree analysis, sex-linked traits and genetic variations for CBSE and NEET.
Reproductive Health Class 12 Notes
Reproductive health class 12 notes: contraception methods, STDs, infertility, ART techniques, MTP legality, and population stabilization for CBSE and NEET.
Human Reproduction Class 12 Notes
Human reproduction class 12 notes: male and female reproductive systems, spermatogenesis, oogenesis, menstrual cycle, fertilization, implantation, placenta and parturition for CBSE and NEET.
Sexual Reproduction in Flowering Plants Class 12 Notes
Sexual reproduction in flowering plants class 12 notes: flower structure, microsporogenesis, megasporogenesis, pollination, double fertilization, embryo development and apomixis for CBSE and NEET.
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