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NCERT Solutions for Class 12 Biology

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Solutions for Biology Textbook for Class 12

Shaalaa provides NCERT Solutions for Class 12 Biology has all the answers for the questions given in Biology Textbook for Class 12. Shaalaa is surely a site that most of your classmates are using to perform in exams.

You can solve Biology Textbook for Class 12 and use Shaalaa NCERT Solutions for Class 12 Biology to check your answers.

NCERT Solutions for Class 12 Biology

Biology Textbook for Class 12

Chapters covered in NCERT Solutions for Class 12 Biology

Chapter 1: Reproduction in Organisms

Shaalaa has a total of 20 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Reproduction in Organisms are Asexual Reproduction, Fertilisation, Introduction of Reproduction in Organisms, Introduction of Sexual Reproduction, Modes of Reproduction, Post-fertilisation Events - Embryogenesis, Post-fertilisation Events - the Zygote, Pre-fertilisation Events - Gamete Transfer, Pre-fertilisation Events - Gametogenesis, Reproduction in Organisms (Questions)

Chapter 2: Sexual Reproduction in Flowering Plants

Shaalaa has a total of 25 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Sexual Reproduction in Flowering Plants are Apomixis And Polyembryony, Artificial Hybridization, Development of Female Gametophytes, Development of Male Gametophytes, Double Fertilisation, Embryo, Endosperm, Flower – a Fascinating Organ of Angiosperms, Introduction of Sexual Reproduction in Flowering Plants, Pollination, Seed, Sexual Reproduction in Flowering Plants (Questions), Significance of Seed Dispersal and Fruit Formation, Stamen, Microsporangium and Pollen Grain, The Pistil, Megasporangium (Ovule) and Embryo Sac

Chapter 3: Human Reproduction

Shaalaa has a total of 42 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Human Reproduction are Embryo Development Upto Blastocyst Formation, Fertilisation and Implantation, Gametogenesis, Human Reproduction Introduction, Human Reproduction Questions, Menstrual Cycle, Microscopic Anatomy of Ovary, Microscopic Anatomy of Testis, Parturition and Lactation, Pregnancy and Embryonic Development, The Female Reproductive System, The Male Reproductive System

Chapter 4: Reproductive Health

Shaalaa has a total of 18 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Reproductive Health are Infertility, Introduction of Reproductive Health, Medical Terminat on of Pregnancy (MTP), Population Explosion and Birth Control, Reproductive Health - Problems and Strategies, Reproductive Health (Questios), Sexually Transmitted Diseases (STDs)

Chapter 5: Principles of Inheritance and Variation

Shaalaa has a total of 18 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Principles of Inheritance and Variation are Chromosomal Disorders, Chromosome Theory of Inheritance, Concept of Mutation, Deviations from Mendelism - Incomplete Dominance, Co-dominance, Multiple Alleles and Inheritance of Blood Groups, Pleiotropy, Elementary Idea of Polygenic Inheritance, Heredity and Variation, Introduction of Inheritance of Two Genes, Introduction of Sex Determination, Introdution of Inheritance of One Gene, Law of Dominance, Law of Independent Assortment, Law of Segregation, Law of Segregation - Co-dominance, Law of Segregation - Incomplete Dominance, Linkage and Crossing Over, Mendelian Disorders, Mendel’s Laws of Inheritance, Pedigree Analysis, Principles of Inheritance and Variation Introduction, Principles of Inheritance and Variation Question, Sex Determination in Birds, Sex Determination in Honey Bees, Sex Determination in Humans

Chapter 6: Molecular Basis of Inheritance

Shaalaa has a total of 20 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Molecular Basis of Inheritance are Concept of RNA World, Concept of Translation, DNA Fingerprinting, Genetic Material is DNA, Human Genome Project, Introduction of Genetic Code, Introduction of Molecular Basis of Inheritance, Introduction of Regulation of Gene Expression, Introduction of Search for Genetic Material, Introduction of Transcription, Molecular Basis of Inheritance (Questions), Mutations and Genetic Code, Packaging of Dna Helix, Properties of Genetic Material (DNA Versus RNA), Rice Genome Project, Structure of DNA and RNA, Structure of Nucleotide, Structure of Polynucleotide Chain, The Experimental Proof, The Lac Operon, The Machinery and the Enzymes, Transcription Unit, Transcription Unit and the Gene, tRNA – the Adapter Molecule, Types of RNA and the Process of Transcription

Chapter 7: Evolution

Shaalaa has a total of 8 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Evolution are Adaptive Radiation, Biological Evolution, Brief Account of Evolution, Darwin'S Contribution, Evidences for Evolution, Evolution of Life Forms - a Theory, Evolution (Questions), Evolution Stages, Gene Flow and Genetic Drift, Hardy - Weinberg'S Principle, Introduction of Evolution and Origin of Universe and Earth, Mechanism of Evolution, Micro and Macro Evolution, Modern Synthetic Theory of Evolution, Origin and Evolution of Man, Origin of Life, Speciation

Chapter 8: Human Health and Disease

Shaalaa has a total of 17 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Human Health and Disease are Addiction and Dependence, Adolescence - Drug and Alcohol Abuse, AIDS, Common Diseases in Humans, Concept of Cancer, Concept of Immunity, Effects of Drug/Alcohol Abuse, Human Health and Diseases (Questions), Infectious and Non Infectious Disease, Introduction of Drugs and Alcohol Abuse, Introduction of Human Health and Diseases, Maintaining Good Health, Yoga, Excercise, Prevention and Control

Chapter 9: Strategies for Enhancement in Food Production

Shaalaa has a total of 13 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Strategies for Enhancement in Food Production are Animal Husbandry, Introduction of Strategies for Enhancement in Food Production, Plant Breeding, Single Cell Protein (SCP), Strategies for Enhancement in Food Production (Questions), Tissue Culture

Chapter 10: Microbes in Human Welfare

Shaalaa has a total of 16 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Microbes in Human Welfare are Energy Generation, Introduction of Microbes in Human Welfare, Microbes as Biocontrol Agents, Microbes as Biofertilisers, Microbes in Household Products, Microbes in Human Welfare (Questions), Microbes in Industrial Production, Microbes in Production of Biogas, Microbes in Sewage Treatment, Production and Judicious Use

Chapter 11: Biotechnology : Principles and Processes

Shaalaa has a total of 18 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Biotechnology : Principles and Processes are Biotechnology - Principles and Processes (Questions), Cloning Vectors, Competent Host (For Transformation with Recombinant Dna), Principles of Biotechnology, Processes of Recombinant Dna Technology, Restriction Enzymes

Chapter 12: Biotechnology and its Applications

Shaalaa has a total of 8 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Biotechnology and its Applications are Biosafety Issues, Biotechnological Applications in Agriculture, Biotechnological Applications in Medicine, Biotechnology and Its Application (Questions), Ethical Issues, Introduction of Biotechnology and Its Application, Stem Cell Technology, Transgenic Animals

Chapter 13: Organisms and Populations

Shaalaa has a total of 29 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Organisms and Populations are Adaptations, Ecology (Organism, Population, Community and Biome), Introduction of Organisms and Environment, Introduction of Organisms and Populations, Life History Variation, Major Abiotic Factors, Organisms and Populations (Questions), Population and Ecological Adaptations, Population Attributes, Population Growth, Population Interactions, Responses to Abiotic Factors

Chapter 14: Ecosystem

Shaalaa has a total of 20 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Ecosystem are Decomposition, Ecological Pyramids, Ecological Succession, Ecosystem (Questions), Ecosystem Services, Ecosystems Patterns, Ecosystem – Structure and Function, Energy Flow, Introduction and Types of Ecosystem, Nutrient Cycling, Productivity

Chapter 15: Biodiversity and Conservation

Shaalaa has a total of 10 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Biodiversity and Conservation are Biodiversity and Its Conservation (Questions), Biodiversity Conservation, Concept of Biodiversity, Endangered Organisms, Extinction, Importance of Biodiversity, Importance of Species Diversity to the Ecosystem, Loss of Biodiversity, Patterns of Biodiversity, Red Data Book, Species on Earth and Species in India

Chapter 16: Environmental Issues

Shaalaa has a total of 16 questions are solved for this Chapter in Class 12 Biology. Chapters covered in Environmental Issues are A Case Study of Integrated Waste Water Treatment, Agrochemicals and Their Effects, Concept of Solid Wastes, Controlling Vehicular Air Pollution: a Case Study of Delhi, Deforestation, Degradation by Improper Resource Utilisation and Maintenance, Domestic Sewage and Industrial Effluents, Environmental Issues (Question), Greenhouse Effect and Climate Change, Introduction of Air Pollution and Its Control, Introduction of Environmental Issues, Introduction of Water Pollution and Its Control, Noise Pollution and Its Control, Ozone Depletion in the Stratosphere, Radioactive Waste Management and E-waste, Radioactive Wastes, Solid Waste Management

NCERT Solutions for Class 12 Biology

Class 12 NCERT solutions answers all the questions given in the NCERT textbooks in a step-by-step process. Our Maths tutors have helped us put together this for our Class 12 Students. The solutions on Shaalaa will help you solve all the NCERT Class 12 Biology questions without any problems. Every chapter has been broken down systematically for the students, which gives fast learning and easy retention.

Shaalaa provides free NCERT solutions for Class 12 Biology. Shaalaa has carefully crafted NCERT solutions for Class 12 Biology that can help you understand the concepts and learn how to answer properly in your board exams. You can also share our link for free Class 12 Biology NCERT solutions with your classmates.

If you have any doubts while going through our Class 12 Biology NCERT solutions, then you can go through our Video Tutorials for Biology. The tutorials should help you better understand the concepts.

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