Class 12 Biology NCERT Book in Hindi – Complete Guide for Students

NCERT Books Class 12 biology 2025-26 covers fundamental and advanced topics that every Class 12 student should understand for CBSE exams. It takes you through key biological concepts, from genetics to ecology, helping you build a clear base for higher studies.

Each chapter is arranged to help students discover concepts step by step with simple language and diagrams. Reading these chapters prepares you for board questions and clears your doubts right from the NCERT textbook.

NCERT Books Class 12 biology Chapter-wise Overview

Each chapter builds knowledge in a logical order, supporting your exam preparation with important theories and applications straight from NCERT.

Chapter 1: Sexual Reproduction In Flowering Plants

This chapter explores how flowering plants reproduce, covering pollination and fertilisation steps. Focus on understanding plant life cycles and structures involved.

Chapter 2: Human Reproduction

Learn about the human reproductive system, its structure, and stages from gamete formation to birth. Pay attention to processes like fertilisation and embryonic development.

Chapter 3: Reproductive Health

This chapter discusses reproductive health, family planning, and safe practices. Key areas include diseases and methods to maintain good reproductive health.

Chapter 4: Principles Of Inheritance And Variation

Discover Mendelian genetics and how traits are passed from parents to offspring. Grasp the laws of inheritance and important genetic terms clearly.

Chapter 5: Molecular Basis Of Inheritance

Understand the structure and function of DNA and RNA, and how information is transferred in cells. Focus on DNA replication and genetic code.

Chapter 6: Evolution

Study the origin of life and mechanisms of evolution, including natural selection. Highlights include evolutionary theories and evidence for evolution.

Chapter 7: Human Health And Disease

This chapter covers common diseases, immunity, and ways to maintain good health. Pay attention to differences between infectious and non-infectious diseases.

Chapter 8: Microbes In Human Welfare

Explore the beneficial uses of microbes in food, medicine, and industry. Focus on their roles in producing antibiotics, vaccines, and biofertilisers.

Chapter 9: Biotechnology Principles And Processes

Learn the basic techniques and tools of biotechnology. Key concepts include genetic engineering and recombinant DNA technology.

Chapter 10: Biotechnology and Its Applications

See how biotechnology is applied in agriculture, health, and environment. Understand applications such as transgenic crops and gene therapy.

Chapter 11: Organisms And Populations

Get introduced to ecology, ecosystem interactions, and population dynamics. Learn about adaptations and relationships among organisms.

Chapter 12: Ecosystem

This chapter explains energy flow, food chains, and ecosystem structure. Focus on ecosystem functions and recycling of nutrients.

Chapter 13: Biodiversity and Conservation

Understand what biodiversity is, its importance, and how it’s being conserved. Key topics include threats to biodiversity and conservation strategies.

Why Class 12 biology NCERT Books by Vedantu Are Useful for CBSE Students

NCERT books help students master every concept in the CBSE syllabus. They support exam preparation with clear explanations and standard questions suitable for board exams. These books are great for regular study and revision before the exams.

• Directly aligned with CBSE syllabus.
• Clear explanations and authentic definitions.
• Helpful for school exams and board preparation.
• Strong base for revision and reference.

How Class 12 biology NCERT Books Help in CBSE Exam Preparation

NCERT books are essential for CBSE exam preparation and class 12 revision. They use CBSE-recommended patterns and cover all key topics and concepts.

• Concepts asked directly in CBSE exams.
• Supports descriptive and application questions.
• Ideal for last-minute revision.

Read each NCERT chapter with focus and keep revising regularly. Building a strong base now will make your CBSE Biology preparation smooth and confident.