CBSE Class 12 Biology NCERT Solutions 2022-23

VSAT 2022

NCERT Solutions for Class 12 Biology - Free PDF Download

Biology as a subject covers many lengthy theoretical concepts. Several important topics and concepts like Genetics, Evolution, and Biotechnology have been Class 12 biology NCERT Solutions in the syllabus of Class 12 Biology. Vedantu provides students with the NCERT Solutions for Class 12 Biology to understand all these topics in a simple and easy-going way. This will ensure that all Class 12 Biology Students will score well in the exam.

Biology Class 12 becomes even more important if the student wants to opt for a medical career or wants to do a specialization in Biology. It not only helps build a foundation but also gives them an idea of what they can expect in the future. Therefore, having a stronghold on the chapter becomes mandatory.

NCERT Solutions for Class 12 Biology is prepared by subject experts with in-depth knowledge in the subject. All CBSE Schools in the country follow NCERT Books for Class 12 Biology. This subject will help students to build their base for medical subjects that the student might take in the future to pursue their MBBS degree as mentioned above, but apart from this, studying for this subject will even help students to prepare for their competitive exams such as for NEET and UPCPMT. 

NCERT Biology Class 12 has extensive information on the subject. The books are written in such a way that it will help students to understand the concepts and topics easily. However, when it comes to Biology, right from understanding the concepts thoroughly, diagrams, and memorizing the important terms are also necessary from an exam point of view and this is made easy by Vedantu.

There are a total of 10 chapters available for NCERT Biology Class 12. These chapters include topics such as reproduction in organisms, human welfare, genetics and evolution, biotechnology and its applications, ecology and environment, strategies in the enhancement of food production, human health and diseases, ecosystem and environmental issues, and principles of inheritance and variation. There are multiple diagrams with a detailed explanation available for students to understand the concepts and topics better. This will help students strengthen their fundamentals and basics of this subject from the very beginning. This in turn will ensure that they score well in the final board examination. 

Also, all the topics are specialization subjects that students can opt for in the future. So, learning these topics with full focus will help them decide the career path they want to take and see which topic invigorates them the most.

NCERT Biology Class 12 offers students detailed information on this subject. Class 12 Biology NCERT Solutions provides students with all the questions and answers which are prescribed by the CBSE Syllabus.

Download the Class 12 Biology NCERT Solutions in Hindi medium and English medium as well offered by the leading e-learning platform Vedantu. If you are a student of Class 12, you have reached the right platform. The NCERT Solutions for Class 12 Biology in Hindi provided by us are designed in a simple, straightforward language, which is easy to memorise. You will also be able to download the NCERT Biology class 12 PDF in Hindi from our website absolutely free of cost. 

NCERT, which stands for The National Council of Educational Research and Training, is responsible for designing and publishing textbooks for all the classes and subjects. NCERT textbooks cover all the topics and are applicable to the Central Board of Secondary Education (CBSE) and various state boards.  

We, at Vedantu, offer free NCERT Solutions in English medium and Hindi medium for all the classes as well. Created by subject matter experts, these NCERT Solutions in Hindi are very helpful to the students of all classes.

There are a total of 16 chapters in NCERT Solutions for Class 12 Biology in Hindi. To access these solutions, students can download the NCERT Biology class 12 PDF in Hindi for free through Vedantu. The chapters are divided into 5 units. The first unit is titled Reproduction. In this unit, there are a total of 4 chapters available. These chapters are the first four chapters that are available in the NCERT textbook. The second unit is titled Genetics and Evolution. In this unit, there are a total of 3 chapters available. These chapters include the 5th, 6th, and 7th chapters available in the NCERT textbook. The third unit is titled Biology in Human Welfare. In this unit, there are a total of 3 chapters. These chapters include the 8th, 9th, and 10th chapters that are available in the NCERT Textbook. The fourth unit is titled Biotechnology. This is an important unit as it carries a high weightage of marks from the final board examination point of view. In this unit, there are a total of two chapters. These chapters include the 11th and 12th chapters available in the NCERT textbook. The final unit is titled Ecology. In this unit, there are a total of four chapters. These chapters include the 13th chapter, 14th chapter, 15th chapter, and 16th chapter. Students can access these chapters with the help of NCERT Solutions which is available in both Hindi and English.


NCERT Textbook Solutions for Class 12 Biology in Hindi

NCERT Solutions for Class 12 Biology in Hindi

Class 12 Biology Chapter 1: Reproduction in Organism in Hindi

In this chapter, students will learn about the different types of reproduction, modes of reproduction, and the process of reproduction. The subtopics in this chapter include asexual reproduction, fertilization, pre-fertilization and post-fertilization events, and sexual reproduction in different organisms. NCERT Solutions for Class 12 Biology Hindi provides students with illustrated diagrams which helps students to learn and understand this chapter better. Students can access this chapter through NCERT Solutions Biology PDF which they can download for free through Vedantu. 


Class 12 Biology Chapter 2: Sexual Reproduction in Flowering Plants in Hindi

This chapter consists of a combination of four chapters and it has a weightage of 14 marks. In this chapter, students will learn about the structure of plants, morphology, and the process of sexual reproduction in flowering plants. The subtopics in this chapter include pre-fertilization, double fertilization, and post-fertilization. Apart from this, students will even learn about apomixis and polyembryony of sexually reproducing flowering plants.


Class 12 Biology Chapter 3: Human Reproduction in Hindi

Students will learn about the human male and female reproduction system in this chapter. To make students understand this chapter better, there are diagrams, flowcharts, and illustrations provided. The subtopics in this chapter include gametogenesis, the role of sex hormones, spermatogenesis, male and female reproductive systems, reproductive systems, and other topics related to human reproduction.


Class 12 Biology Chapter 4: Reproductive Health in Hindi

In this chapter, students will learn about the significance of reproductive health and how to achieve it, amniocentesis, maternal mortality, and infant mortality. Apart from this, students will even learn about maternal health as well as the health of the child during pre-pregnancy, pregnancy, and post-pregnancy periods. The subtopics in the chapter include Infertility, STDs (Sexual Transmitted Diseases), medical termination of pregnancy, Population explosion, birth control, and problems and strategies of reproductive health.


Class 12 Biology Chapter 5: Principles of Inheritance and Variation in Hindi

Students will learn about the basics of evolution and genetics in this chapter. This chapter even talks about the variations and similarities between the parents and the children. Some of the important topics covered in this chapter include genetic disorders, mutations, sex determination, inheritance of one gene, inheritance of two genes, and Mendel’s law of inheritance. To help students understand this chapter further there are many flowcharts, diagrams, and illustrations explaining the important concepts in detail and in an easy-going language.


Chapter 12 Biology Chapter 6: Molecular Basis of Inheritance in Hindi

This chapter mainly focuses on the structures of DNA and RNA, as well as the process of replication. Some of the topics covered in this chapter include human genome project salient; the lac operon; generic code: mutations and genetic code, RNA, Translation, and Regulation of gene expression; transcription: the transcription unit, transcription unit and the gene, types of RNA, and the process of transcription; replication: the experimental proof, the machinery, and enzymes; RNA world; the search for genetic material: properties of genetic material, the genetic material in DNA; and the DNA: Packaging of DNA helix, and structure of polynucleotide chain. To help students understand this chapter better there are many diagrams available that are explained in detail in a simple language.


Class 12 Biology Chapter 7: Evolution in Hindi

In biology, evolution refers to the study of the history of life forms on earth. In this chapter, students will learn about the origin of life,  the evolution of life forms, and the biodiversity on planet earth. To further understand this chapter there are many illustrations, diagrams, and flowcharts available. These explanations are provided in a simple and easy-going language making it easier and better for students to understand. 


Class 12 Biology Chapter 8: Health and Diseases in Hindi

Students will learn about the basics of health and diseases in this chapter. Some of the topics covered in this chapter include adolescent issues, health, diseases, maintenance of optimum health, treatment and prevention, types of diseases, immunity, and types of immunity, and address to certain diseases like AIDS, Cancer, and so on. To help students with these topics further, there are in-depth explanations provided in simple language. Some of the subtopics in this chapter include drugs and alcohol abuse, common diseases in humans, and so on. 


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

In this chapter, students will learn about the biological principles of animal husbandry and the major role of plant breeding to increase food production. There are many important topics in this chapter that the students need to learn and understand. Some of the concepts covered in this chapter include embryo transfer technology and tissue culture techniques that help students to further understand the importance of food production in life.


Class 12 Biology Chapter 10: Microbes in Human Welfare in Hindi

Microbes are referred to as the micro-organism that can be seen only under a microscope. These are tiny living organisms that are invisible to the naked eye. It is present all around us, in the air we breathe, the water we drink, the soil we stand on, and so on. They play a major role in the evolution of planet earth. In this chapter, students will learn about the influence of microbes on human welfare. There are certain microbes that cause major infections and diseases that can result in the death of a living being. These disease-causing microbes are known as pathogens. Students will learn more about topics and concepts like these in this chapter.


Class 12 Biology Chapter 11: Biotechnology Principles and Processes in Hindi

According to the European Federation of Technology, Biotechnology is referred to as the integration of organisms, cells, natural science, parts of cells, and molecular analogues of services and products. In this chapter, students will learn in-depth about the biotechnology principles and processes involved in it. In this chapter, students will learn about two major techniques that are a result of modern biotechnology. Their techniques include Genetic Engineering and Manufacturing of Antibiotics, Drugs, and other vaccines. 


Class 12 Biology Chapter 12: Biotechnology and its Application in Hindi

This is an important chapter for Class 12 Biology. Students will learn about how human beings use biotechnology in order to improve the quality of human life in terms of food production and health. Biotechnology has been beneficial to humans for a lot of reasons. It has given us useful products by using plants, microbes, animals, and their metabolic machinery. Students will learn about these concepts in this chapter.


Class 12 Biology Chapter 13: Organism and Populations in Hindi

This chapter talks about the basics of ecology at the organismic and population levels. There are many topics in this chapter that students must learn and understand. Some of these topics include organisms and their environment, niche, major abiotic factors affecting the organisms and their environment, and responses to abiotic factors such as suspension, migration, conformation, and regulation. This is an important chapter for Class 12 Biology. To help students understand the concepts and topics in this chapter there are flowcharts, diagrams, and illustrations provided within the chapter. Overall, with the help of NCERT Solutions Class 12, PDF Hindi, students will be able to retain the topics and grasp the information better.


Class 12 Biology Chapter 14: Ecosystem in Hindi

Ecosystem refers to the visualization of a functional unit of nature, where living organisms interact with the physical environment around them as well as with each other. There are many important concepts and topics that students can learn and understand in this chapter. Students will learn about the structure of the ecosystem, the productivity of the ecosystem, the transfer of energy within the ecosystem (food chain), and the output of the ecosystem. 


Class 12 Biology Chapter 15: Biodiversity and its Conservation in Hindi

This chapter explains the basics of biodiversity and its conservation. Students will learn about the importance and significance of biodiversity in today’s day and age. In this chapter, students will also learn about the types of biodiversity available, the patterns, evolution, conservation, and degradation of biodiversity. Some of the important topics in this chapter that students need to learn and understand include causes of biodiversity losses, species-area relationships, latitudinal gradients, species diversity, genetic diversity, ex-situ conservation, and in-situ conservation. There are other topics in this chapter that students can access using NCERT Solutions Class 12 PDF Hindi


Class 12 Biology Chapter 16: Environmental Issues in Hindi

This is the last chapter available in the Class 12 Biology NCERT textbook. This chapter explains all the problems which pose a threat to the ecological balance in nature. Some of these problems include deforestation, global warming, pollution, and so on. This chapter even deals with the measures that are taken to control these problems. Students will learn about different topics and concepts available in this chapter. This chapter even explains to students the effects of pollution on human life and the effect it has on people in their daily lives.

The solutions provided by all these chapters are guaranteed to be error-free and can be easily comprehensible by all students. NCERT Solutions for Class 12 Biology are available in both the Hindi and English languages. In both of the languages, there have been subject experts who have explained the chapters in detail to help students understand them better. Apart from this, students are advised to use authentic solutions instead of using multiple reference books to study. The NCERT textbooks are prescribed by CBSE, therefore, NCERT Solutions is considered to be the most authentic source of knowledge in terms of the Class 12 school syllabus.


CBSE Class 12 Biology Weightage 2022-23 

S.No

Unit

Marks

6

Reproduction

16

7

Genetics and Evolution

20

8

Biology and Human Welfare

12

9

Biotechnology and its Applications

12

10

Ecology and Environment

10

 

Total

70


NCERT Solutions for Class 12 Biology in Hindi

Class 12 is a crucial time in your schooling days. It is important for you to understand the basics of all subjects in class 12. This will help you understand what career path to take in your future. For students who took biology as a subject, it is important for you to strengthen your fundamentals of this subject. With the help of NCERT Solutions, students studying Biology will learn and understand the concept that they are studying too. And, this aspect is very important when it comes to studying Science. 

What could be better if you get the simpler and readymade solutions of your Class 12 NCERT textbook exercises? Moreover, all these are created by an experienced subject matter expert. Can you imagine how beneficial these could be? Sounds amazing, right! You must opt for these NCERT solutions for Class 12 Biology in Hindi right away. You can download NCERT solutions Class 12 Biology in Hindi from Vedantu’s official website (vedantu.com) by registering yourself with your phone number/ email address. You can also access the same study materials from the Vedantu app as well. In that case, you need to download the Vedantu app first from the Google play store.

You will get Class 12 Biology in Hindi NCERT solutions written in a simple and lucid manner. Solve all the problems/ questions given in the exercises and evaluate your performance with these 100% accurate solutions so that you can learn how to write answers to the questions from any perspective during the final exam. Each of the answers in the Biology in Hindi NCERT solutions Class 12 is student-friendly and customized by the experts. 

One of the best parts about Class 12 Biology NCERT Solutions is that it provides students with an authentic homework guide, error-free solutions, as well as extra problems in order to build the basic concepts of the students. Apart from this, Class 12 Biology NCERT Solutions provides a base to strengthen basic concepts of subjects for students preparing for competitive exams such as NEET and JEE. 

These NCERT solutions Class 12 Biology in Hindi contain step-by-step answers to all the questions from the exercise which are considered as an invaluable aid to the students when it comes to regular study, exam preparation or doing homework. Class 12 Biology in Hindi NCERT solutions will clear all your doubts in very little time. Hence your confidence will be boosted. By practising the questions from these books, you will be able to improve your time management skills. That will help you in solving all the questions in the stipulated time frame during the final exam. 

For students to score well in their 12th-grade final board examination, it is important for you to practice your subjects every single day. You must have heard that practice makes perfect, you must preach this sentence and work hard towards giving your best in your final board examination. With the help of NCERT Solutions, students can practise as many question banks as they can. This will ensure that they get the practice they need and end up scoring well during their examination. Apart from this, it is known that most of the questions in the 12th-grade board examination paper are in reference to NCERT Solutions. Therefore, students can access NCERT Solutions on Vedantu for free to refer to if they have any doubts in any subject. Preparing thoroughly will take you one step closer to achieving your goals, and NCERT Solutions by Vedantu can help you with that. So, make sure you use NCERT Solutions at least for revision. 

NCERT Solutions for Class 12 Biology in Hindi are designed as per the latest CBSE curriculum and guidelines. Vedantu’s study materials are updated regularly as per the latest changes. Hence students of Class 12 who are referring to these materials will be able to score the best marks in the final exam. Once you start using these materials, the preparation for the Class 12 exam and scoring the highest percentile amongst your peers will seem like a cakewalk at the end of the day.


Important Related Links for NCERT Class 12

FAQs on CBSE Class 12 Biology NCERT Solutions 2022-23

1. Is NCERT Biology enough for NEET?

It is important to refer to the NCERT Biology book because it is structured in such a way that different types of questions are provided with respect to the same topic. One will get the idea of how the same topic can be asked in different ways. Also, specifically for NEET, you would need to study a few guide books along with solving samples and previous years’ papers. Due to its highly competitive nature, NEET preparations depend on multiple variables. But, going through the NCERT Solutions along with other study material can help you out in NEET.

2. How many chapters are there in Biology Class 12th NCERT?

There are 16 chapters in the NCERT Class 12 Biology book. All these chapters provide an overall understanding of concepts across multiple domains of Biology. Hence, students should go through all the topics sincerely, as each topic is of utmost importance. You may readily access multiple modules and example papers relevant to these topics on the Vedantu website as well as the Vedantu mobile app if you are interested.

3. Is the NCERT Book for Class 12 Biology the best reference guide available for students?

NCERT book is one of the best reference guides available for Class 12 Biology because it provides a thorough understanding of the subject as well as several exercises that will help students understand the exam pattern. This will also help students in determining their weak and strong areas so that they can study and prepare accordingly. In case you are interested in availing different modules and sample papers related to these topics, you can easily go through them on the Vedantu site as well as the Vedantu mobile app.

4. Is Class 12 Biology difficult?

Proper understanding makes Biology easy for any student. Once the student clearly grasps the basic concepts and learns the process behind each mechanism, only then will Biology be easy for them. Hence, it is important to learn the basics well and refer to the different types of questions that could be asked in the exam. Students can also refer to the NCERT Class 12 Biology Chapterwise Solutions while preparing.

5. How much do the Solutions of NCERT Class 12 Biology cost?

You do not have to pay anything for this. On the Vedantu website, the NCERT Solutions for Class 12 Biology are simply available and free. If the learner requires further information or support in learning and mastering the essential ideas, he or she should consider availing suggestions and modules from experts of Vedantu who will aid you in achieving good scores.

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