CBSE Class 12 Biology Syllabus For New Academic Session 2023-24: Download in PDF

Hi Student, The CBSE prepares the syllabus for the academic year of class 12 for all the subjects. Program of Class 12 Biology Syllabus as you know very well that the Central Board of Secondary Education (CBSE) has its curriculum, and they hold the supreme authority to change it further for the benefit of students. In this article, you can get the latest CBSE Class 12 Biology Syllabus and Exam Pattern in PDF for the academic year 2023-24 and this syllabus is absolutely free of cost.

The demand for Class 12 Biology at the initial stage of schooling is evident in the mushrooming of private ‘English medium’ schools and in the early introduction of Biology as a subject across the states/ UTs of the country. Though the problems of feasibility and preparedness are still to be solved satisfactorily, there is a general expectation that the educational system must respond to people’s aspirations and need for Biology. Within the eight years of education guaranteed to every child, it should be possible in 5 years to ensure basic English language proficiency, including basic literacy skills of reading and writing.

1. Summary
2. Objectives of Class 12th Biology

3. CBSE Class 12 Biology New Syllabus 2023-24
4. Class 12 Syllabus

5. Class 12 Biology Useful Resources

CBSE Class 12 Syllabus Overview

Before we discussed the Class 12 Syllabus, let us check the CBSE Class 12 Summary, below we have mentioned the complete CBSE Class 12 Summary. Students are advised to check out the complete summary.

Class 12

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Objectives of Class 12th Biology

The general objectives at Level-1 are:

  • To build familiarity with the language primarily through spoken input in meaningful situations (teacher talk, listening to recorded material, etc.)
  • To provide and monitor exposure to and comprehension of spoken, and spoken-and-written inputs (through mother tongue, signs, visuals, pictures, sketches, gestures, single-word questions/answers).
  • To help learners build a working proficiency in the language, especially with regard to listening with understanding and basic oral production (words/phrases, fragments of utterances, formulaic expressions as communicative devices).
  • To recite and sing poems, songs and rhymes and enact small plays/skits
  • To use drawing and painting as precursors to writing and relate these activities to oral communication.
  • To become visually familiar with the text [word(s)], what it means, and to notice its components- letter (s) and the sound-values they stand for.
  • To associate meaning with written/printed language.
  • At the end of this stage, learners should be able to Talk about themselves, members of the family and the people in their surroundings.
  • Follow simple instructions, requests and questions, and use formulaic expressions appropriately
  • Enjoy doing tasks (including singing a rhyme or identifying a person, object or thing) in English
  • Recognise whole words or chunks of language
  • Recognise small and capital forms of the English alphabet both in context and in isolation
  • Read simple words/short sentences with the help of pictures and understand them
  • Write simple words/phrases/short sentences.

CBSE Class 12 Biology New Syllabus 2023-24

In-depth knowledge of the Class 12 Biology syllabus to get a decent idea regarding the exam pattern and marking scheme. By going through the CBSE Class 12 Syllabus students will get to understand the unit names, chapters under each unit and sub-topics involved in it. The Biology subject also requires in the competitive exam. So, it is essential to prepare this subject thoroughly for functioning well in class 12 board as well as competitive exams. Let us now check the Syllabus with topics to be covered with exam patterns.

CBSE Class 12 Biology Syllabus 2023-24

Here in this Section, we have mentioned the Class 12 Biology New Syllabus. Students can check the Biology New Syllabus for Class 12 for the academic year 2023-24.

Class 12 Biology Syllabus

Check out the latest CBSE NCERT Class 12 Biology Syllabus. The syllabus is for the academic year 2023-24 session. First, of all check the CBSE Class 12 Biology Exam Pattern. students are advised to check out the complete syllabus and exam pattern with the marking scheme.

Class 12 Biology Exam Pattern

Here in this Section, we have mentioned the Class 12 Biology Exam Pattern. Students can check the Class 12 Biology Exam Pattern for the academic year 2023-24.

UnitTitleNo. of PeriodsMarks
VIIGenetics and Evolution4018
VIIIBiology and Human Welfare3014
IXBiotechnology and its Applications3010
XEcology and Environment3014

Class 12 Biology Syllabus Brief Review

Below we have mentioned the Biology Syllabus Brief Review like which topics/chapters to be covered in the syllabus. students are advised to check the brief review of Biology syllabus.

Unit-VI Reproduction

  • Chapter-1: Reproduction in Organisms
  • Chapter-2: Sexual Reproduction in Flowering Plants
  • Chapter-3: Human Reproduction
  • Chapter-4: Reproductive Health

Unit-VII Genetics and Evolution

  • Chapter-5: Principles of Inheritance and Variation
  • Chapter-6: Molecular Basis of Inheritance
  • Chapter-7: Evolution

Unit-VIII Biology and Human Welfare

  • Chapter-8: Human Health and Diseases Pathogens
  • Chapter-9: Strategies for Enhancement in Food Production
  • Chapter-10: Microbes in Human Welfare

Unit-IX Biotechnology and Its Applications

  • Chapter-11: Biotechnology – Principles and processes
  • Chapter-12: Biotechnology and its Application

Unit-X Ecology and Environment

  • Chapter-13: Organisms and Populations
  • Chapter-14: Ecosystem
  • Chapter-15: Biodiversity and its Conservation
  • Chapter-16: Environmental Issues


Below we have mentioned the Class 12 Biology Practical Syllabus like which topics to be covered in the practical. students are advised to check the brief review of Biology syllabus Practicals.

Evaluation SchemeMarks
One Major Experiment 5, 6, 8, 95
One Minor Experiment 2, 3, 44
Slide Preparation 1, 75
Practical Record + Viva Voce*4
Project Record + Viva Voce*5

Note:- Credit to the students’ work over the academic session may be given*

Class 12 Biology Syllabus in PDF

Here in this Section, we have mentioned the Biology Syllabus in pdf format with an exam pattern. Students can check the Biology Syllabus in pdf for the academic year 2023-24.

NOTE:- If any change then Syllabus will be updated soon.

Class 12 Biology Useful Resources

We have tried to bring CBSE Class 12 Physics NCERT Study Materials like Syllabus, Worksheet, Sample Paper, NCERT Solutions, Important Books, Holiday Homework, Previous Year Question Papers etc. You can visit all these important topics by clicking the links given.​

Study Materials Links HereStudy MaterialsLinks Here
Biology SyllabusClick HereBiology Revision NotesClick Here
Biology NCERT SolutionClick HereBiology WorksheetClick Here
Biology NCERT BookClick HereBiology Marking SchemeClick Here
Biology Exemplar BookClick HereBiology Sample PaperClick Here
Biology Lab ManualClick HereBiology Previous Year PaperClick Here
Biology Study MaterialClick HereBiology Chapter-wise NotesClick Here
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