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NCERT Solutions for Class 12 Biology

NCERT Solutions for Class 12 Biology comprehensively cover all 16 chapters of the CBSE Class 12 Biology book. Our highly-qualified and experienced experts have carefully, methodically, and thoughtfully designed and drafted solutions of NCERT Class 12 Biology textbook to help you learn fast and effectively. The NCERT Solutions answers all exercises from all chapters in an easy to understand language and in a step by step by step manner. 

Some of the chapters covered in the CBSE Class 12th Biology syllabus include reproduction in organisms, sexual reproduction in flowering plants, human reproduction, reproductive health, principles of inheritance and variation, the molecular basis of inheritance, evolution, human health disease and strategies for enhancement in food production, Microbes in Human Welfare, Biotechnology and its Applications.

They have been drafted in a manner to make learning more interesting, intriguing, stimulating and highly productive. Our NCERT Solutions are perfect for learning and revising during Board exams. They keep your concepts clear and help you build a profound knowledge base of the subject. The NCERT Solutions for Class 12 are just what you need to excel in your Class 12 board exams and in various competitive exams such as JEE Main, and NEET.

Class 12

Chapter-wise NCERT Solutions for Class 12 Biology

Our solutions are a hundred percent accurate as they are prepared according to the guidelines given by NCERT and CBSE. They include essential diagrams, charts and relevant examples to support the concepts and also to help you become conceptually sound. The CBSE Class 12 Biology syllabus comprises 16 chapters. They have been briefly discussed below. 

NCERT Solutions for Class 12 Biology Chapter 1: Reproduction in Organisms

Reproduction in Organisms is the first chapter of NCERT Class 12 Biology subject. This chapter explains various facets of reproduction in organisms. Here, you will read about different types of reproduction, like asexual and sexual reproduction. You will also read about processes such as budding, fragmentation, binary fission, sporulation, regeneration, multiple fission, and vegetative propagation.  

This chapter elaborates explicitly about pre-fertilization, fertilisation and post-fertilisation. Also, higher organisms and sexual reproduction and the three phases of growth in an organism.  The NCERT Solutions of CBSE Class 12 Biology Chapter 1 consists of answers to all 18 questions of the exercise in detail. 

NCERT Solutions for Class 12 Biology Chapter 2: Sexual Reproduction in Flowering Plants

Chapter 2 of CBSE Board Class 12 Biology book will teach you how flowering plants reproduce sexually by producing flowers. You will learn about sexual parts in plants, stages of sexual reproduction in flowering plants, the formation of a zygote, and formation of fruits and seeds. Concepts like pre-fertilization: structure and events, pollination, outbreeding devices, pollen-pistil interaction, double fertilisation, post-fertilization events such as the development of endosperm and embryo will also be taught in this chapter.  The exercise of this chapter comprises 18 questions that cover all corners of the chapter. Our NCERT Solutions answer all questions with detailed explanations. 

NCERT Solutions for Class 12 Biology Chapter 3: Human Reproduction

Human Reproduction is the third chapter of Class 12 NCERT Biology Book Solutions. This chapter teaches you about the process of reproduction in humans and how the young ones are identical to their parents. The chapter includes topics such as the male reproductive system, female reproductive system, gametogenesis, menstrual cycle, fertilisation, implantation, pregnancy, embryonic development, parturition and lactation. Our NCERT Solutions of CBSE Board Class 12 Biology Chapter 3 consists of answering all 21 questions given in the exercise at the end of the chapter. 

NCERT Solutions for Class 12 Biology Chapter 4: Reproductive Health

Reproductive Health is the fourth unit of NCERT Class 12 Biology syllabus. Here, you will be reading about the meaning and need for reproductive health. You will also come across topics like reproductive health problems and strategies, population explosion and birth control, medical termination of pregnancy, sexually transmitted diseases and infertility. Chapter 4 NCERT Solutions answer all 12 questions of the exercise of this chapter. 

NCERT Solutions for Class 12 Biology Chapter 5: Principles of Inheritance and Variation

Chapter 5 is one of the most important chapters of Class 12 Biology Book. In this unit, you will learn how the transferring of traits or characteristics from parents to offspring are carried. You will also read about topics such as the law of inheritance or Mendel’s laws of inheritance, laws of independent assortment, linkage and assortment, genetic mutation and Mendelian disorders. The exercise of this chapter comprises 16 all-inclusive questions. Our NCERT Solutions are prepared as per the guidelines provided by CBSE and NCERT. 

NCERT Solutions for Class 12 Biology Chapter 6: Molecular Basis of Inheritance

Molecular Basis of Inheritance is the sixth unit of the Class 12 Biology curriculum. Here, you will understand what genetic material and DNA is. This chapter discusses DNA, the structure of Polynucleotide, a Gene, packing DNA Helix, RNA World, genetic code and regulation of Gene Expression. This chapter consists of 1 exercise with 14 questions. Our NCERT Solutions accurately answers all the questions. Learning from our smart CBSE NCERT Solutions will help you score more marks in your exams.

NCERT Solutions for Class 12 Biology Chapter 7: Evolution

Evolution chapter will teach you about biological evolution and evidence for biological evolutions. The unit also explains concepts like the origin of life, the evolution of life forms which is a theory, evidence of evolution, adaptive radiation, biological evolution, mechanism of evolution, Hardy – Weinberg’s principle, a brief account of origin and evolution of man.  Our NCERT Class 12 Biology Chapter 7 solutions contains detailed answers to all 10 questions of the exercise.

NCERT Solutions for Class 12 Biology Chapter 8: Human Health and Diseases

Human Health and Diseases of CBSE Board Class 10 Science Book will introduce you to the diseases and infections that a human body faces. The chapter throws light on the meaning and importance of health, the meaning of a disease, some common diseases in humans, immunity, aids, cancer and drugs and alcohol abuse. NCERT Class 12th Biology chapter 8 consists of 1 exercise with 17 questions and our NCERT Solutions answer all these questions in an easy to understand manner.

NCERT Solutions for Class 12 Biology Chapter 9: Strategies for Enhancement in Food Production

Chapter 9 is one of the most crucial chapters of NCERT Class 12 Biology solutions. Here, you will be reading about the population explosion and enhancement of food production. The chapter also discusses animal husbandry, plant breeding, single-cell and tissue culture. This chapter consists of 1 exercise with 12 questions. Our step by step solutions answer them accurately, simply and precisely. These solutions have been drafted as per the guidelines given by NCERT by our expert science teachers. 

NCERT Solutions for Class 12 Biology Chapter 10: Microbes in Human Welfare

Microbes in Human Welfare teaches you the meaning and importance of microbes. It explains the uses of microbes in household products, industrial products, sewage treatments, and production of biogas. It also describes the role of microbes as biocontrol agents and biofertilizers. This chapter consists of 1 exercise with 15 questions in it, and they cover the whole unit. The solutions to these exercise questions help you gain an in-depth understanding of all concepts of the chapter.

NCERT Solutions for Class 12 Biology Chapter 11: Biotechnology – Principles and Processes

The chapter, Biotechnology-Principles and Processes discusses how technology is used in biology. The unit also throws light on principles of biotechnology, bioprocess engineering, DNA cloning, tools of recombinant DNA and technology and processes of recombinant DNA technology. Class 12 Biology Chapter 11 consists of 1 exercise with 12 questions. Our NCERT Solutions Class 12 Biology covers all parts of the chapter well and helps you master all its concepts.

NCERT Solutions for Class 12 Biology Chapter 12: Biotechnology and its Application

Biotechnology and its Application of NCERT Solutions Class 12 Biology, will teach you about how technology and application of living organisms are developed. It will further discuss biotechnological applications in agriculture, biotechnological applications in medicine, aquaculture, transgenic animals and ethical issues. Class 12 Biology Chapter 12 solutions consist of 1 exercise with 10 questions, and they cover all the topics and sub-topics from the chapter. The solutions provided to these questions are phrased in an easy and simple language. 

NCERT Solutions for Class 12 Biology Chapter 13: Organisms and Populations

In chapter Organisms and Populations, you will be taught about interactions among organisms and their environment. The chapter discusses major abiotic factors, responses to biotic factors, adaptations, populations, attributes, growth, life history variations and population Interactions. Class 12 Biology Chapter 13 consists of 1 exercise with 18 questions in it, and the answers to these questions are comprehensive and fully accurate.

NCERT Solutions for Class 12 Biology Chapter 14: Ecosystem

Ecosystem chapter of NCERT Class 12 Biology teaches you how living and nonliving components interact with each other. The chapter introduces you to the structure and function of ecosystem, productivity, decomposition, energy flow, ecological pyramids, ecological succession, nutrient cycling and ecosystem services. Class 12 Biology Chapter 14 consists of 1 exercise with 13 questions in it. Our NCERT Solutions, drafted by expert science teachers, answer all these questions in detail and include requisite diagrams and examples to help you gain full conceptual clarity. 

NCERT Solutions for Class 12 Biology Chapter 15: Biodiversity and its Conservation

NCERT Class 12 Biology chapter 15 deals with Biodiversity, and it’s Conservation, and it explains to you about the life of animals and plants on earth. The chapter also explains Biodiversity patterns and types, loss of Biodiversity, causes of loss of biodiversity and biodiversity conservation. Class 12 Biology  chapter 15 consists of 1 exercise with 10 questions in it, and they cover all the topics from the chapter. Our NCERT Solutions for Class 12 Biology are drafted in a step by step way to make learning this chapter easy for you.

NCERT Solutions for Class 12 Biology Chapter 16: Environmental Issues

NCERT Class 12th Bio Chapter 16 will teach you about air pollution and its control, water pollution and its control, solid wastes, agrochemical and their effects, radioactive wastes, greenhouse effect and global warming, ozone depletion in the stratosphere, degradation by improper resource utilisation and maintenance and deforestation. Class 12 Biology Chapter 16 solutions consists of 1 exercise with 11 questions in it, and they cover the whole unit. The solutions to these exercise questions are drafted from the examination point of view. They help you get comfortable with different question styles.