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NCERT Exemplar Solutions for Biology [English] Class 12

CBSE Class 12 Biology Solutions Guide

Shaalaa.com provides the CBSE Class 12 Biology Solutions Digest. Shaalaa is undoubtedly a site that most of your classmates are using to perform well in exams.

You can solve the Class 12 Biology Book Solutions CBSE textbook questions by using Shaalaa.com to verify your answers, which will help you practise better and become more confident.


CBSE Class 12 Biology Textbook Solutions

Questions and answers for the Class 12 Biology Textbook are on this page. NCERT Exemplar Solutions for Class 12 Biology Digest CBSE will help students understand the concepts better.


NCERT Exemplar Solutions for Class 12 Biology Chapterwise List | Class 12 Biology Digest

The answers to the NCERT Exemplar books are the best study material for students. Listed below are the chapter-wise NCERT Exemplar Biology Class 12 Solutions CBSE.


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NCERT Exemplar Solutions for Biology [English] Class 12 - Shaalaa.com
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NCERT Exemplar Class 12 solutions for other subjects

We also provide solutions for other subjects to help you top the exams. These NCERT Exemplar solutions are curated with respect to the exam pattern and old papers. Find the best questions and solutions here. Click now to access it.

Chapters covered in NCERT Exemplar Solutions for Biology [English] Class 12

NCERT Exemplar Solutions for Class 12 Biology (12) 1: Reproduction in Organisms

Concepts covered in Reproduction in Organisms are Artificial Vegetative Reproduction, Asexual Reproduction, Asexual Reproduction in Animal, Asexual Reproduction in Plant, Budding, Different Phases in Sexual Reproduction, Fertilisation in Organisms, Fission, Fragmentation, Life Span of Organisms, Maximum Life Span of Organisms, Natural Vegetative Reproduction, Post-fertilisation Events in Organisms, Pre-fertilisation Events in Organisms, Reproduction in Organisms, Sexual Reproduction in Animals, Sporulation (Sporogenesis), Types of Reproduction, Vegetative Reproduction.

NCERT Exemplar Class 12 Biology (12) 1: Reproduction in Organisms exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS181 to 4
VERY SHORT ANSWER154 to 6
SHORT ANSWER116 to 7
LONG ANSWER67 to 8

NCERT Exemplar Solutions for Class 12 Biology (12) 2: Sexual Reproduction in Flowering Plants

Concepts covered in Sexual Reproduction in Flowering Plants are Abiotic Agents, Accessory Organs, Advantages and Disadvantages of Pollen Grains, Agents of Pollination, Apomixis, Artificial Hybridization, Biotic Agents, Cross Pollination, Development of Anther, Development of Endosperm, Development of Female Gametophyte or Embryo Sac, Development of Fruit, Development of Male Gametophyte, Development of Seed, Essential Parts of Flower: Androecium, Essential Parts of Flower: Gynoecium, Fertilization Process, Flower - a Fascinating Organ of Angiosperms, Kinds of Pollination, Megasporogenesis, Microspores and Pollen Grains, Microsporogenesis, Outbreeding Devices, Parts of Flower, Pollination, Polyembryony, Post Fertilisation in Plant: Structures and Events, Post Fertilization in Plant: Development of Embryo (Embryogeny), Pre-fertilisation in Flowering Plant: Structures and Events, Self Pollination (Autogamy), Sexual Reproduction in Flowering Plants, Structure of Ovule (Megasporangium), Transverse Section of Mature Anther (Microsporangium), Types of Ovules.

NCERT Exemplar Class 12 Biology (12) 2: Sexual Reproduction in Flowering Plants exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS209 to 12
VERY SHORT ANSWER1812 to 14
SHORT ANSWER1014 to 16
LONG ANSWER516

NCERT Exemplar Solutions for Class 12 Biology (12) 3: Human Reproduction

Concepts covered in Human Reproduction are Embryo Development Upto Blastocyst Formation, Fertilization and Implantation, Gametogenesis, Human Reproduction, Menstrual Cycle (Ovarian Cycle), Menstrual Hygiene, Oogenesis, Parturition and Lactation, Pregnancy and Embryonic Development, Spermatogenesis, The Female Reproductive System, The Male Reproductive System.

NCERT Exemplar Class 12 Biology (12) 3: Human Reproduction exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1817 to 20
VERY SHORT ANSWER1520 to 21
SHORT ANSWER1122
LONG ANSWER522 to 23

NCERT Exemplar Solutions for Class 12 Biology (12) 4: Reproductive Health

Concepts covered in Reproductive Health are Infertility, Medical Termination of Pregnancy (MTP), Population Explosion - Rising Population a Global Threat, Population Stabilisation and Birth Control, Reproductive Health, Sexually Transmitted Diseases (STD).

NCERT Exemplar Class 12 Biology (12) 4: Reproductive Health exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1324 to 26
VERY SHORT ANSWER1026 to 27
SHORT ANSWER927
LONG ANSWER527 to 28

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NCERT Exemplar Solutions for Class 12 Biology (12) 5: Principle of Inheritance and Variation

Concepts covered in Principle of Inheritance and Variation are Back Cross and Test Cross, Chromosomal Abnormalities, Chromosomal Theory of Inheritance, Chromosomal Theory of Inheritance: Law of Independent Assortment, Chromosomal Theory of Inheritance: Law of Segregation, Comparison Between Gene and Chromosome Behaviour, Concept of Mutation, Extensions of Mendelian Genetics (Deviation from Mendelism), Genetic Disorders, Gregor Johann Mendel – Father of Genetics, Heredity and Variation, Historical Development of Chromosome Theory, Intragenic Interactions - Codominance, Intragenic Interactions - Dominance, Intragenic Interactions - Incomplete Dominance, Intragenic Interactions - Pleiotropy, Introduction of Principles of Inheritance and Variation, Linkage and Crossing Over, Linkage and Recombination, Mendelian Genetics, Mendelian Inheritance - Mendel’s Law of Heredity, Mendelism, Mendel’s experiments on pea plant, Monohybrid Cross, Multiple Alleles, Pedigree Analysis, Polygenic Inheritance, Principles of Inheritance and Variation Question, Punnett Square, Sex Determination, Sex Determination in Birds, Sex Determination in Honey Bees, Sex Determination in Human, Sex Determination in Some Insects, Terminology Related to Mendelism, The Law of Dominance, The Law of Independent Assortment, The Law of Segregation (Law of Purity of Gametes).

NCERT Exemplar Class 12 Biology (12) 5: Principle of Inheritance and Variation exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1829 to 32
VERY SHORT ANSWER1532 to 33
SHORT ANSWER1533 to 34
LONG ANSWER635

NCERT Exemplar Solutions for Class 12 Biology (12) 6: Molecular Basis of Inheritance

Concepts covered in Molecular Basis of Inheritance are Deoxyribonucleic Acid (DNA) and Its Structure, DNA Fingerprinting Technique, DNA Replication, Genetic Code, Human Genome Project, Introduction of Molecular Basis of Inheritance, Introduction of Search for Genetic Material, Introduction of Transcription, Molecular Basis of Inheritance (Questions), Operon Concept, Packaging of DNA Helix, Properties of Genetic Material (DNA Versus RNA), Protein Synthesis, Regulation of Gene Expression, Rice Genome Project, Search for Genetic Material, Structure of DNA and RNA, Structure of Nucleotide, Structure of Polynucleotide Chain, The Experimental Proof, The Genetic Material is a DNA, The Machinery and the Enzymes, The RNA World, Transcription Unit, Transcription Unit and the Gene, Translation, tRNA – the Adapter Molecule, Types of RNA and the Process of Transcription.

NCERT Exemplar Class 12 Biology (12) 6: Molecular Basis of Inheritance exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS2836 to 40
VERY SHORT ANSWER1240 to 41
SHORT ANSWER2441 to 43
LONG ANSWER943

NCERT Exemplar Solutions for Class 12 Biology (12) 7: Evolution

Concepts covered in Evolution are Adaptive Radiation, Brief Account of Evolution, Darwinism, Evidences for Biological Evolution, Evolution, Evolution of Life Forms - a Theory, Evolution Stages, Gene Flow and Genetic Drift, Hardy Weinberg’s Principle, Human Evolution, Micro and Macro Evolution, Modern Synthetic Theory of Evolution, Organic Evolution, Origin and Evolution of Universe and Earth, Speciation, Theories of Biological Evolution, Theories of Origin of Life.

NCERT Exemplar Class 12 Biology (12) 7: Evolution exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1845 to 48
VERY SHORT ANSWER1548 to 49
SHORT ANSWER1249 to 50
LONG ANSWER750

NCERT Exemplar Solutions for Class 12 Biology (12) 8: Human Health and Diseases

Concepts covered in Human Health and Diseases are Addiction and Dependence, Adolescence - Drug and Alcohol Abuse, Allergies (Hypersensitivity), Autoimmunity, Cancer, Common Diseases in Human Beings, Drugs and Alcohol Abuse, Effects of Drug and Alcohol, Human Health and Diseases (Questions), Human Immune System, Immunity, 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 of Drugs and Alcohol Abuse, Sexually Transmitted Diseases (STD), Types of Immunity, Vaccination and Immunization.

NCERT Exemplar Class 12 Biology (12) 8: Human Health and Diseases exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS2351 to 55
VERY SHORT ANSWER1655 to 56
SHORT ANSWER2357 to 59
LONG ANSWER859 to 60

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NCERT Exemplar Solutions for Class 12 Biology (12) 9: Strategies for Enhancement in Food Production

Concepts covered in Strategies for Enhancement in Food Production are Animal Breeding, Animal Husbandry (Livestock), Apiculture (Bee Farming), Dairy Farming, Introduction of Strategies for Enhancement in Food Production, Pisciculture (Fish Farming), Plant Breeding, Poultry Farming, Single Cell Protein (SCP), Strategies for Enhancement in Food Production (Questions), Tissue Culture.

NCERT Exemplar Class 12 Biology (12) 9: Strategies for Enhancement in Food Production exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS2561 to 65
VERY SHORT ANSWER2365 to 66
SHORT ANSWER2167 to 68
LONG ANSWER1068

NCERT Exemplar Solutions for Class 12 Biology (12) 10: Microbes in Human Welfare

Concepts covered in Microbes in Human Welfare are Energy Generation, Microbes as Biocontrol Agents, Microbes as Biofertilizers, Microbes in Household Products, Microbes in Human Welfare, Microbes in Industrial Production, Microbes in Production of Biogas, Microbes in Sewage Treatment, Production and Judicious Use.

NCERT Exemplar Class 12 Biology (12) 10: Microbes in Human Welfare exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1869 to 72
VERY SHORT ANSWER2072 to 73
SHORT ANSWER1473 to 74
LONG ANSWER874

NCERT Exemplar Solutions for Class 12 Biology (12) 11: Biotechnology : Principles and Processes

Concepts covered in Biotechnology : Principles and Processes are Cloning Vectors, Competent Host (For Transformation with Recombinant DNA), Process and Principles of Biotechnology, Processes of Recombinant DNA Technology, Restriction Enzymes.

NCERT Exemplar Class 12 Biology (12) 11: Biotechnology : Principles and Processes exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1975 to 78
VERY SHORT ANSWER1078 to 79
SHORT ANSWER1279 to 80
LONG ANSWER381

NCERT Exemplar Solutions for Class 12 Biology (12) 12: Biotechnology and Its Applications

Concepts covered in Biotechnology and Its Applications are Biosafety Issues, Biotechnological Applications in Agriculture, Biotechnological Applications in Medicine, Commercial Applications of Biotechnology, Ethical Issues, Introduction of Biotechnology and Its Application, Stem Cell Technology, Transgenic Animals.

NCERT Exemplar Class 12 Biology (12) 12: Biotechnology and Its Applications exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS1582 to 84
VERY SHORT ANSWER1784 to 85
SHORT ANSWER1585 to 86
LONG ANSWER1086 to 87

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NCERT Exemplar Solutions for Class 12 Biology (12) 13: Organisms and Populations

Concepts covered in Organisms and Populations are 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.

NCERT Exemplar Class 12 Biology (12) 13: Organisms and Populations exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS2088 to 91
VERY SHORT ANSWER1991 to 92
SHORT ANSWER3392 to 94
LONG ANSWER2195 to 97

NCERT Exemplar Solutions for Class 12 Biology (12) 14: Ecosystem

Concepts covered in Ecosystem are Concept of Energy Flow in an Ecosystem, Decomposition, Ecological Pyramids, Ecological Succession, Ecosystem, Ecosystem Services, Ecosystems Patterns, Ecosystem - Structure and Function, Introduction and Types of Ecosystem, Nutrient Cycles, Productivity.

NCERT Exemplar Class 12 Biology (12) 14: Ecosystem exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS2098 to 101
VERY SHORT ANSWER19101 to 102
SHORT ANSWER16103 to 104
LONG ANSWER14104 to 105

NCERT Exemplar Solutions for Class 12 Biology (12) 15: Biodiversity and Conservation

Concepts covered in Biodiversity and Conservation are Biodiversity, Biodiversity and Its Conservation (Questions), Conservation 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.

NCERT Exemplar Class 12 Biology (12) 15: Biodiversity and Conservation exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS20106 to 109
VERY SHORT ANSWER17109 to 110
SHORT ANSWER17110 to 111
LONG ANSWER9111 to 112

NCERT Exemplar Solutions for Class 12 Biology (12) 16: Environmental Issues

Concepts covered in Environmental Issues are A Case Study of Integrated Waste Water Treatment, Agrochemicals and Their Effects, Controlling Vehicular Air Pollution: a Case Study of Delhi, Deforestation and Its Causes, Degradation by Improper Resource Utilisation and Maintenance, Effects of Domestic Sewage and Industrial Effluents on Water, Environmental Issues, Greenhouse Effect and Climate Change, Introduction of Water Pollution and Its Control, Noise Pollution, Ozone Depletion in the Stratosphere, Prevention of Air Pollution, Radioactive Waste Management and E-waste, Radioactive Wastes, Solid Waste Management, Solid Wastes.

NCERT Exemplar Class 12 Biology (12) 16: Environmental Issues exercises

ExerciseNo. of questionsPages
MULTIPLE CHOICE QUESTIONS22113 to 116
VERY SHORT ANSWER15116 to 117
SHORT ANSWER11117 to 118
LONG ANSWER7118 to 119

NCERT Exemplar Solutions for Biology [English] Class 12

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

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NCERT Exemplar Solutions for Class 12 Biology CBSE

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

Shaalaa provides a free NCERT Exemplar answer guide for Biology Class 12, CBSE. Shaalaa has carefully crafted NCERT Exemplar solutions for the Class 12 Biology to help you understand the concepts and adequately answer questions in your board exams.

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NCERT Exemplar Class 12 Biology Guide Book Back Answers

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Comprehensive NCERT Exemplar Solutions for CBSE Biology Class 12 Guide

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Our CBSE NCERT Exemplar solutions for Biology Class 12 cover everything from Reproduction in Organisms, Sexual Reproduction in Flowering Plants, Human Reproduction, Reproductive Health, Principle of Inheritance and Variation, Molecular Basis of Inheritance, Evolution, Human Health and Diseases, Strategies for Enhancement in Food Production, Microbes in Human Welfare, Biotechnology : Principles and Processes, Biotechnology and Its Applications, Organisms and Populations, Ecosystem, Biodiversity and Conservation, Environmental Issues and the other topics.

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