CBSE Class 12 Biology Syllabus 2025-26 PDF Download

CBSE Class 12 Biology Syllabus 2025-26

CBSE class 12 biology syllabus 2025-26 is provided here for students so that they can prepare effectively and score high marks in their 2026 class 12 biology exam.

Tutorialsduniya provides class 12 biology students access to the class 12 biology syllabus to help students with a clear roadmap of what to study and practice.

CBSE class 12 biology syllabus 2025-26 is aligned with the National Education Policy (NEP) 2020 to ensure conceptual understanding and application.

Central Board of Secondary Education (CBSE) has officially released the class 12 biology syllabus for the academic session 2025-26 and we have collected the updated class 12 biology syllabus pdf from cbseacademic.nic.in

CBSE class 12 biology syllabus 2025-26 will help students to prepare their study plan in an effective way because the final question paper for the academic exam will be prepared based on class 12 biology syllabus.

CBSE class 12 biology syllabus is available in PDF format which makes it easily accessible for students to read anytime and anywhere.

Class 12 students can score high marks in CBSE class 12 biology exam by regularly practicing Class 12 Biology Question Papers 2025, Class 12 Biology Sample Papers 2026, Class 12 Biology Notes, Class 12 Biology NCERT Book, NCERT Solutions for Class 12 Biology and Class 12 Biology Syllabus.

CBSE Class 12 Biology Syllabus 2026

Download CBSE Class 12 Biology Syllabus 2025-26

Class 12 biology students can easily download the latest CBSE class 12 biology syllabus pdf for the academic year 2025-26 from the link below:

CBSE Class 12 Biology Syllabus 2025-26 is given in the table below:

UnitChaptersMarks
Unit 1: ReproductionChapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Human Reproduction
Chapter 4: Reproductive Health
16
Unit 2: Genetics and EvolutionChapter 5: Principles of Inheritance and Variation
Chapter 6: Molecular Basis of Inheritance
Chapter 7: Evolution
20
Unit 3: Biology and Human WelfareChapter 8: Human Health and Diseases
Chapter 10: Microbes in Human Welfare
12
Unit 4: Biotechnology and its ApplicationsChapter 11: Biotechnology – Principles and Processes
Chapter 12: Biotechnology and its Applications
12
Unit 5: Ecology and EnvironmentChapter 13: Organisms and Populations
Chapter 14: Ecosystem
Chapter 15: Biodiversity and its Conservation
10
Total70 marks

Download CBSE Class 12 Biology Syllabus 2025-26 PDF

CBSE Class 12 Biology Internal Assessment will be conducted based on the following criteria:

AssessmentMarks
One Major Experiment5 marks
One Minor Experiment4 marks
Slide Preparation5 marks
Spotting7 marks
Practical Record + Viva Voce4 marks
Investigatory Project and its Project Record + Viva Voce5 marks
Total30 marks

Class 12 Biology NCERT Books as per Latest Syllabus

Class 12 biology students can easily get class 12 biology NCERT books as per latest syllabus 2026 from the links below:

Class 12 biology NCERT books are considered extremely important for students and all the questions asked in the CBSE class 12 biology exam is entirely based on Class 12 biology NCERT books.

Importance of CBSE Class 12 Biology Syllabus for Students

CBSE class 12 biology syllabus 2025-26 is considered very important for students as it lays a proper foundation for the biology subject.

Importance of CBSE class 12 biology syllabus is given below:

  1. Curriculum Introduction: Class 12 biology syllabus helps students to get familiar with the topics and chapters to be covered throughout the year.
  2. Goal Setting: Knowledge of class 12 biology syllabus helps students to set academic goals and plan their studies effectively to score good marks in the 2026 biology exam.
  3. Helpful in Academic Success for Students: CBSE biology class 12 syllabus 2025-26 is helpful in academic success of students as through it they can build a strong foundation of all the topics, subtopics and weightage.
  4. Details About Prescribed Books: Class 12 biology syllabus gives details about the books prescribed for students so that they can cover topics and concepts for their 2026 biology exam.

Preparation Tips for CBSE Class 12 Biology Exam 2026

CBSE class 12 students preparing for the 2026 biology exam can go through the following preparation tips that can be helpful to score high marks:

  1. Master NCERT basics: NCERT is the prescribed book for the class 12 biology exam 2026 so give importance to clearing the basic concepts of NCERT.
  2. Understand chapter weightage: CBSE students should have a clear knowledge of the weightage of each chapter from the class 12 biology exam pattern 2026.
  3. Simulate exam conditions: Class 12 biology students should take a full-length timed test using class 12 biology question papers and treat it like a real exam.
  4. Practice regularly: CBSE students should practice class 12 biology question papers regularly to effectively prepare for their biology exam.

We hope our updated CBSE class 12 biology syllabus 2025-26 pdf has helped you. Please share this CBSE class 12 biology syllabus 2025-26 with your friends as well 🙏

TutorialsDuniya.com wishes you Happy Learning! 🙂

CBSE Class 12 Syllabus 2026 of All Subjects

CBSE Class 12 Biology Syllabus 2026 FAQs

Q1: Where can I download CBSE class 12 biology Syllabus 2025-26?

A1: CBSE class 12 students can download the class 12 biology syllabus 2025-26 from the official CBSE website i.e. cbseacademic.nic.in and tutorialsduniya.com

Q2: Can I find chapter-wise CBSE class 12 biology syllabus 2025-26?

A2: Yes, tutorialsduniya has provided chapter-wise CBSE class 12 biology syllabus 2025-26 including marks distribution and internal assessment guidelines.

CBSE Notes for Class 6 to 12 PDF Download for all Chapters
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CBSE Notes for Class 6 to 12 PDF Download

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