NCERT Solutions for Class 12 Biology - Chapter wise Solutions

Chapter wise NCERT Solutions for Class 12 Biology: Download PDF

NCERT Solutions for Class 12 Biology: Your search ends here as we have comprehensive answers to every chapter of the Class 12 Biology which are updated to the CBSE Syllabus 2022–23. In order to study for the board exams, students can use these NCERT Solutions for Class 12 for all subjects. Additionally, these answers are available for free download in PDF format. It provides answers in accordance with the most recent CBSE Syllabus 2022–23 and the NCERT Textbook.

NCERT Solutions for Class 12 Biology plays an essential role in your board exam preparations as well as for competitive exams such as NEET. The NCERT Class 12 Biology solutions give an in-depth knowledge of questions asked in the NCERT books for Class 12 Biology. Through NCERT Solutions for Class 12 Biology, you will also get to know how to deal with questions with the right approach. NCERT solutions (Class 6 to 12) will help you not just for class biology but other subjects as well.

Aside from that, qualified academics and faculty members worked hard to prepare the Biology NCERT Solutions Class 12 materials. In order for students to easily understand the CBSE Biology subject, we also place a strong emphasis on understanding its conceptual basis. Therefore, we have organised these solutions so that students can easily comprehend and remember the crucial concepts.

NCERT Solutions for Class 12 Biology Chapter-wise

Chapter Details For NCERT Solutions Class 12 Biology

NCERT solutions for class 12 biology chapter 1 Reproduction in organisms

Reproduction in organisms is the first chapter of NCERT textbook of class 12 biology. This chapter mainly deals with the methods of reproduction in a different organism. Here in NCERT Class 12 Biology solutions, you will study two types of reproduction methods that are sexual reproduction and asexual reproduction. At the end of the chapter, the exercise is given with a total of 18 questions. The solutions for these are given in this article.

NCERT solutions for class 12 biology chapter 2 Sexual Reproduction in Flowering Plants

The second chapter is sexual reproduction in flowering plants. You will learn about sexual reproduction in angiosperm plants. The chapter has a total of five subtopics. Different phases of fertilization will also be covered here. The questions to test your knowledge are given in the exercise at the end of the chapter.

NCERT solutions for class 12 biology chapter 3 Human Reproduction

Human reproduction is the topic in the third chapter which explains the process of sexual reproduction in humans. In this chapter, you will become familiar with the male and female reproductive systems of humans. and also study the menstrual cycle and different stages of pregnancy. The NCERT exercises given in chapter 3 consists of a total of 21 questions. If you are able to write correct solutions for NCERT class 12 biology, then surely you can excel in CBSE board exams.

NCERT solutions for class 12 biology chapter 4 Reproductive Health

The fourth chapter is reproductive health and this chapter deals with all the reproduction-related health aspects in humans. A total of five sub-topics are taught based on which 12 questions are asked at the end of the chapter. In this chapter, you will study a few important topics like birth control, sexually transmitted disease and solution of infertility. You must practice the questions mentioned in the NCERT book while preparing for the 12th board exam. CBSE NCERT solutions for class 12 biology will also help you out with the correct answers.

NCERT solutions for class 12 biology chapter 5 Principles of Inheritance and Variation

Principles of inheritance and variation is the first chapter of the second unit of NCERT textbook class 12 biology. In this chapter, you will get to know about the various principles and phenomena that control the expression of different characters in organisms. At the end of this chapter, you will find 16 questions based on the topics taught. Before attempting board exams, you must practice these NCERT questions because practice will make you perfect.

NCERT solutions for class 12 biology chapter 6 Molecular basis of inheritance

Molecular basis of inheritance is the topic dealt in this lesson. In addition, you will study processes like DNA replication, transcription and translation. You will also study about the genetic code and new areas of research such as DNA fingerprinting and human genome project. Solve NCERT exercise which consists of around 14 questions and write the correct solutions of NCERT class 12 biology in your board exams.

NCERT solutions for class 12 biology chapter 7 Evolution

The chapter evolution of class 12 biology deals with evolutionary science. In this chapter, you will study the theories, and evidence suggesting evolution. You will also learn the mechanisms that cause an evolution in nature. This chapter will tell you about the adaptive radiation and biological evolution and its mechanism. In the end, you will gain knowledge about how humans evolved. The 10 questions given at the end of the chapter, must be tried in order to get an understanding of all the concepts.

NCERT solutions for class 12 biology chapter 8 Human health and disease

The chapter human health and diseases deal with the various types of diseases and how they can be controlled. It also talks about the immune system and immunity in humans. In this chapter, you will also get to know about the effects of drug/alcohol abuse on youngsters. This chapter will also tell you about deadly diseases like AIDS and cancer. Try solving the NCERT exercise at the end of the chapter and write correct NCERT solutions for class 12 biology chapter 8. For more in-depth understanding go with the solutions for NCERT class 12 biology.

NCERT solutions for class 12 biology chapter 9 Strategies for Enhancement in Food Production

This chapter deals with the principles of plant and animal breeding. It also makes you familiar with different types of high yielding varieties of plants. You will also learn important topics like plant breeding, tissue culture and different techniques that are involved in this. In the end, you will be required to answer the NCERT exercise which has 15 questions. For a basic understanding of the chapters, you should attempt these questions and write correct solutions of NCERT class 12 biology chapter 9.

NCERT solutions for class 12 biology chapter 10 Microbes in Human Welfare

Here are the topics that you will learn which includes the details about the role of microorganisms for the benefits of humankind and uses of microorganisms in different areas for different purposes. For board exams and for exams like NEET, only NCERT of this chapter is enough. While preparing the chapter, read each and every line of the lesson and also solve the NCERT exercise given at the end to score well in your exams.

NCERT solutions for class 12 biology chapter 11 Biotechnology: Principles and Processes

Chapter 11 that is biotechnology: principles and processes deal with the recent area of research i.e. recombinant DNA technology. In this chapter, only an introduction to this technology is given, so you will study more about it in the future in higher classes. You will gain an awareness of the principles of biotechnology and its tools once you finish this lesson. The exercise given at the end of the chapter includes a total of 12 questions. After reading the chapter try answering all the questions. In case you are stuck, refer to the NCERT solutions for class 12 biology.

NCERT solutions for class 12 biology chapter 12 Biotechnology and its Applications

Here, you will learn about biotechnology, and its application as well as the various uses of biotechnology in the food industry, medicine industry etc. This chapter will introduce you to the transgenic animals as well as the ethical issues raised. After reading the chapter thoroughly go through the NCERT exercise and solve them on your own. If you need help to answer the questions, CBSE NCERT solutions for class 12 biology are the correct tools to use.

NCERT solutions for class 12 biology chapter 13 Organisms and Populations

Characteristics of populations including population growth and population interactions are some topics dealt in this chapter. Other topics taught are ecological factors and how organisms get affected due to these. The NCERT exercise given at the end of the chapter has 17 questions. Refer to the CBSE class 12 Biology NCERT solutions given to answer them correctly.

NCERT solutions for class 12 biology chapter 14 Ecosystem

In the chapter ecosystem, you will study the structures, functions and various components of the ecosystem. You will also get to learn about the ecosystem services, ecological succession, and biogeochemical cycles. This chapter will also tell you about the energy flow of the ecosystem with examples. Try the NCERT exercise to get clarity on all the concepts in your mind.

NCERT solutions for class 12 biology chapter 15 Biodiversity and Conservation

Chapter 15 compile the details of the diversity of life. In this chapter, you will learn the importance of biodiversity as there are three types of diversity: genetics, species and ecological. This chapter also includes the measures that are to be taken to conserve biodiversity. You must try NCERT exercise of chapter 15 biodiversity and its conservation. From the exam perspective, solutions of NCERT class 12 biology chapter 15 biodiversity and its conservation are beneficial.

NCERT solutions for class 12 biology chapter 16 Environmental Issues

This chapter will make you aware of all the different types of pollutions and environmental issues which exist around us. The various environmental issues such as pollution, global warming, ozone layer depletion, etc. have been mentioned here. In-depth accurate answers can be checked with the help of the solutions given here.

Class 12 Biology: CBSE Marking Scheme 2022-23

The marks scored in Class 12 help students plan their future. With this in mind, the CBSE board evenly divided the entire syllabus to make it easier for students to understand all the concepts. Students will be able to identify the chapters that carry more weight and focus on them appropriately by reading through the course structure that the CBSE board has updated.

More About Class 12 Biology NCERT Solutions

• Overall class 12 biology is an amalgamation of botany, zoology and the applications of biology, which can be researched and studied extensively if you wish to study biology or related streams in your future.

• From the exam point of view, studying the NCERT Class 12 Biology solutions will help you to excel in your board exams. If you are planning to appear for NEET, AFMC or any other medical entrance exams, then solutions for NCERT class 12 biology will another good tool for your preparation.

• NCERT textbook of class 12 biology includes a total of 16 chapters segregated into 5 units namely, reproduction, genetics, and evolution, biology in human welfare, biotechnology, and ecology. After studying the NCERT Solutions for Class 12 Biology PDF Download, you will be able to solve different practice questions asked in the textbook. It is prudent to start solving the NCERT exercise for class 12 biology, after a thorough reading of the chapters of NCERT class 12 biology.

• Solving NCERT exercise is an important prerequisite if you wish to score well in your board exams. So biology notes for each chapter with the NCERT Solutions for Class 12 Biology will be a very good weapon to combat the exam blues and crack the board exams.

• Once you are done with the NCERT solutions for class 12 biology, you will find that your understanding of concepts will also be useful in NEET and other exams.

Highlights of Biology NCERT Solutions Class 12

Key features of Biology Class 12 NCERT Solutions are given below:

• Solutions for class 12 biology chapters are written in the best possible way using simple language that makes solutions easier to read and understand
• In the Solution for NCERT 12 biology, points are used to frame answers to help understand quickly.
• Solution content for biology book class 12 is derived from the textbook by the subject expert.
• Solutions for 12th biology are as per the latest CBSE Syllabus and guidelines.
• Solution pdf links for the NCERT biology book are readily available and easily accessible for free.
• Important topics are listed in the solutions given for class 12 biology NCERT chapters.
• Bio NCERT class 12 is a great resource for information.
• It may help you in the biology project for class 12 as well.
• class 12 biology all chapter name with solutions are given in the table which is easier to access and download PDF.
• Solutions given for 12th bio NCERT are Jargon-free
• Concepts will be clearer with the help of the solutions of NCERT for class 12 biology.
• You will be able to score good marks in your board exams with the help of CBSE NCERT solutions for class 12 biology.
• You will gain an edge in your preparation for NEET and other medical entrance exams.
• Your grip on every concept will become stronger by the use of the solutions for NCERT class 12 biology.

Important Topics under NCERT Solutions Class 12 Biology

• Genetics
• Evolution
• Biotechnology
• Reproduction
• Microbes in Human Welfare

NCERT Solutions for Class 12- Subject wise

• NCERT solutions for class 12 Maths

• NCERT solutions for class 12 Chemistry

• NCERT solutions for Class 12 Physics

NCERT Class wise Solutions

• NCERT solutions for class 12

• NCERT solutions for class 11

• NCERT solutions for class 10

• NCERT solutions for class 9