NCERT Solutions Class 12 Biology 2027: Chapter-Wise PDF

NCERT Solutions Class 12 Biology 2024 is available here in pdf format. Students can download the class 12 Biology NCERT Solutions for free from the pdf links given in this article. The NCERT Solutions for class 12 Biology will help the students to find the correct answers to the most difficult questions. The answers are explained in detail using diagrams and figures. The chapter-wise solutions of class 12 Biology are provided for download. NCERT Class 12 Solutions and sample papers are important resources for exam preparation. These solutions are designed as per the latest CBSE Syllabus and exam pattern so that the students can score good marks in the board exam. Read the complete article to download the chapter-wise NCERT class 12 Biology Solutions.

NCERT Solutions Class 12 Biology 2024 Chapter-wise PDF

CBSE prescribes the NCERT textbook in class 12 for Biology. The NCERT textbook consists of 16 chapters that cover the entire syllabus. The NCERT textbook for class 12 is important for the board exam. It will also help in the preparation for the entrance exams. The solutions of class 12 NCERT Biology will help the students to know the detailed answers to each question. After completing the syllabus of Biology the students must start solving the previous year’s question papers and sample papers. NCERT solutions are designed keeping in mind the language and the simplicity of the explanations that are given in the NCERT textbooks. Students can understand all the important concepts easily using the solutions of class 12 Biology.

NCERT Solutions For Class 12 Biology Chapter 1: Reproduction In Organisms

Reproduction is an important chapter in Biology. Chapter 1 of NCERT Biology deals with various types of reproduction. Students will be able to differentiate between sexual and asexual methods, zoospore and zygote, and more terms. In organisms, reproduction is mainly categorized into two divisions, i.e., sexual reproduction and asexual reproduction. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 1.

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

Chapter 2 of NCERT Biology is about the process of sexual reproduction in flowering plants. The chapter discusses in detail important reproduction topics like morphology, pre-fertilization, post-fertilization, double fertilization, and formation of seeds. Further, in this chapter students will get to learn about important topics such as how plants get prepared for fertilization and why fertilization is needed. Along with important reproduction concepts, important terms like stamen, pollen grain, pollination, embryo, and seed have also been described in detail. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 2.

NCERT Solutions For Class 12 Biology Chapter 3: Human Reproduction

NCERT Biology Chapter 3 is about the process of Reproduction in Humans. This chapter deals with a detailed explanation of the male and female reproductive systems of humans. and also study the menstrual cycle and different stages of pregnancy. With the help of diagrams and figures, students are taught about the complete process of embryo formation and fertilization. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 3.

NCERT Solutions For Class 12 Biology Chapter 4: Reproductive Health

In chapter 4, topics like Reproductive Health Problems and Strategies, Birth Control & Population Stabilization, and Sexually Transmitted Diseases, among others. Students are taught about important concepts such as causes of infertility, birth control measures, methods of contraception, medical termination of pregnancy, and causes of maternal and infant mortality. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 4.

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

In NCERT chapter 5 students are taught about Genetics and Evolution. Similarity and variation between the parents and offspring are discussed in this chapter. Mendel”s law of inheritance, the inheritance of one gene, the inheritance of two genes, sex determination, mutations, and genetic disorders are the main topics discussed here. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 5.

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

NCERT Chapter 6 deals with the concepts such as DNA (Deoxyribonucleic Acid) and RNA (Ribonucleic Acid). Along with these topics, students will get to learn about important aspects such as Replication, Transcription, Genetic Code, and Human Genome Project. Besides, several important terms such as Polynucleotide Chain, Regulation of Gene Expression and DNA Fingerprinting have been described in detail. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 6.

NCERT Solutions For Class 12 Biology Chapter 7: Evolution

Evolution is the development of diverse types of living organisms from earlier forms across the history of the earth. Along with the development of living organisms, Evolution also reflects the changes in flora and fauna across the earth that co-existed along with humans. Besides, the Origin of Life, the chapter also discusses some important concepts which include, Evolutions of Humans, Biological Evolution, Origin, and Evolution of Man. Further, to help students understand the “Evolution” chapter comprehensively, important questions and exercises have been solved using a simplified language. So, the students can solve the exercise questions and take help from the NCERT Solutions for Class 12 Biology Chapter 7.

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

This chapter deals with the topics like the common diseases in human, their prevention, and treatment.  Students will learn about Immunity, its types, Allergies, and Immune System in the Body. The topic of diseases has been classified into two types of diseases, i.e., congenital and acquired. Congenital diseases are the physiological or anatomical deformities that are present in a person from their birth. Acquired diseases, on the other hand, are the ones that develop after birth and are further classified into, communicable and non-communicable diseases.

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

This chapter deals with the topics of crop production and management. Students will learn about the advanced techniques like tissue culture and embryo transfer technology are also expected to play a vital role in raising the quantity of food production. You will also come across sub-chapters such as animal husbandry, plant breeding, single-celled proteins, and tissue culture. Under animal husbandry, you will learn about fisheries, beekeeping, etc.

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

This chapter discusses the role of microorganisms for the benefits of humankind and the uses of microorganisms in different areas for different purposes. Microbes are living creatures that are very tiny in size and are specified in the form of fungi, bacteria, and protozoa. While microbes are responsible for causing various diseases to human beings, but this does not mean that all microbes are harmful. So this is an important chapter that will be applied in our daily lives.

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

In NCERT Biology chapter 11 students will learn about the modern techniques of Biotechnology, i.e., Genetic Engineering and Manufacturing of Antibiotics, Drugs, and Other Vaccines. Further, the chapter focuses on the study of topics such as the principle of biotechnology, DNA technology, Separation and isolation of DNA fragments, and Isolation of the Genetic Material (DNA).

NCERT Solutions For Class 12 Biology Chapter 12: Biotechnology and Its Applications

In this chapter topics like the Green Revolution, Genetically Engineered Insulin, Gene Therapy, Molecular Diagnosis, and Chemical safety testing, among others. Besides these topics, the chapter also discusses the possibility of biotechnology to solve problems related to biology which have not been solved till with the help of conventional techniques.

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

In this chapter, students will read about Ecology at the organismic and population levels. This chapter deals with topics such as organisms and their environment, niche, major abiotic factors affecting the organisms and their environments such as temperature, water, light, soil, responses to abiotic factors such as regulation, conformation, migration, and suspension. There is a detailed description of the four levels of biological organization are organisms, populations, communities, and biomes. Water, soil, temperature, and light are essential components of the environment in which organisms live.

NCERT Solutions For Class 12 Biology Chapter 14: Ecosystem

In this chapter, students will study the topic of ecosystem explains the key structures of the ecosystem, it’s functioning, and types of ecosystems on the surface of the earth. Moreover,  to make it easier for students to study the ecosystem, it has been divided into two primary categories, which are terrestrial and aquatic ecosystems. Grasslands, deserts, and forests are some examples of terrestrial ecosystems, whereas wetlands, ponds, and lakes are some important examples of aquatic ecosystems.

NCERT Solutions For Class 12 Biology Chapter 15: Biodiversity and Conservation

In this chapter, students will learn about the importance of biodiversity, its types, its structure along degradation and conservation. How Many Species are there on the Earth and How Many in India is also an important topic which is discussed later in the chapter. Similarly, Patterns of Biodiversity and the importance of Species Diversity to the ecosystem have also been explored in detail. Eventually, you will be required to read about biodiversity conservation, ways to conserve biodiversity, and techniques of biodiversity conservation.

NCERT Solutions For Class 12 Biology Chapter 16: Environmental Issues

In this final chapter, students will learn about air pollution and its control, water pollution and its control, solid wastes, agrochemicals, and their effects, radioactive wastes, greenhouse effect and global warming, ozone depletion in the stratosphere, degradation by improper resource utilization, and maintenance, deforestation. The various environmental issues such as pollution, global warming, ozone layer depletion, etc. have been mentioned here.

NCERT Solutions for Class 12 Biology All Chapters

NCERT Biology Class 12 Solutions are given below for all chapters. Students can click on the link of the respective chapter number to download Class 12 Biology NCERT chapter-wise solutions.