Kerala Plus Two Biology Deleted Syllabus 2026 - Check Chapter Wise Syllabus

Roumik Roy

Updated on - Jul 17, 2025

Table of Contents

Kerala Plus Two Biology Deleted Syllabus 2026 - Subject Wise
How to Download Kerala Plus Two Biology Syllabus 2026 PDF?
What is the Exact Kerala Plus Two Biology Question Paper Pattern 2026?
What is the Kerala Plus Two Biology Topics Weightage 2026?
What are the Benefits of the Kerala Plus Two Biology Deleted Syllabus 2026?

The Directorate of Higher Secondary Education (DHSE) Kerala has made some alterations to the 12th-class Biology syllabus. The Kerala Plus Two Biology Deleted Syllabus will not only help rationalize the curriculum but also reduce the workload of students. Thus, if you are preparing for the Kerala Plus Two Exam 2026, then make sure to have an updated syllabus by your side.

The Kerala Plus Two Deleted Syllabus 2026 will surely help you to score better marks. The subject of Biology is divided into 2 parts (Botany and Zoology). Various unwanted and overlapping sections have been removed to make the syllabus manageable. Hence, now you will get sufficient time for practicing. The reduced syllabus will bring down the stress level, and the redundancy of the curriculum will go away. The Kerala Plus Two Biology Deleted Syllabus will promote conceptual clarity, and it provides an excellent opportunity to focus on the high-weightage topics.

This article shares every aspect of the Kerala Plus Two Biology Deleted Syllabus. Hence, carefully analyze all the approaching details.

Also Read: Kerala Plus Two Syllabus 2026

Kerala Plus Two Biology Deleted Syllabus 2026 - Subject Wise

The table below describes the Kerala Plus Two Biology Deleted Syllabus in a chapter-wise format. Have a look at the details -

Chapters	Deleted Topics
Reproduction in Organisms	Majority of the portion has been deleted
Reproductive Health	Amniocentesis, MTP (Medical Termination of Pregnancy), and STDs (Sexually Transmitted Diseases) – extensive details removed
Evolution	Origin of life theories, Hardy-Weinberg principle derivation, and related examples – topics shortened
Strategies for Enhancement in Food Production	Animal husbandry (general introduction), Single Cell Protein (SCP) – details have been cut short
Microbes in Human Welfare	Biogas production process and various microbial examples have been simplified
Biotechnology and Its Applications	Ethical issues and genetically modified crops (BT cotton, etc.) – lengthy explanations have been cut short
Organisms and Populations	Adaptations in organisms (physiological and behavioral) – extensive details removed

Also Read: Kerala Plus Two Sample Papers

How to Download Kerala Plus Two Biology Syllabus 2026 PDF?

Having an updated Kerala Plus Two Biology syllabus will help you a lot. The table here provides the updated syllabus PDF for the Kerala Plus Two Biology. Check out the link below -

Kerala Plus Two Biology Syllabus 2026 – Download PDF

Also Read: Kerala Plus Two Admit Card

What is the Exact Kerala Plus Two Biology Question Paper Pattern 2026?

The Kerala Plus Two Biology theory question paper will consist of two sections namely Botany and Zoology. Each section will be of 30 marks. Hence, the weightage of the theory exam will be 60 marks. 40 marks are reserved for the practical/internal assessment. So, the overall weightage for the subject of Biology will be 100 marks. You must get at least 30% marks to be declared passed in the Kerala Plus Two Biology exam. The duration of the exam will be 2 hours and the question paper will be a mix of objective, short, and very short type questions. The table below will help you to understand the Kerala Plus Two Biology theory question paper pattern in the right way -

Sections in Botany	Number of Questions	Marks Allotted
1	Question numbers 1 to 4 (Any 3 must be answered, type – MCQs)	3 x 1 = 3
2	Question numbers 5 to 15 (Any 9 must be answered, type – very short answer type questions)	9 x 2 = 18
3	Question number 16 to 19 (Any 3 must be answered, type – short answer type questions)	3 x 3 = 9
Total		30 marks
Sections in Zoology	Number of Questions	Marks Allotted
1	Question numbers 1 to 5 (Any 3 must be answered, type – MCQs)	3 x 1 = 3
2	Question numbers 6 to 16 (Any 9 must be answered, type – very short answer type questions)	9 x 2 = 18
3	Question numbers 17 to 20 (Any 3 must be answered, type – short answer type questions)	3 x 3 = 9
Total		30 marks
Botany and Zoology combined		60 marks

Also Read: Kerala Plus Two Previous Year Question Papers

What is the Kerala Plus Two Biology Topics Weightage 2026?

The table below provides the topic-wise weightage analysis for the subject of Kerala Plus Two Biology. Thus, check out the information to get an idea about the weightage -

Topics in Botany	Weightage
Reproduction in organisms	2%
Sexual reproduction in flowering plants	5%
Strategies for enhancement in food production	3%
Biotechnology principles and processes	4%
Biotechnology and its applications	4%
Organisms and population	4%
Ecosystem	4%
Environmental issues	4%
Topics in Zoology	Weightage
Human reproduction and reproductive health	8%
Principles of inheritance and variation	5%
Molecular basis of inheritance	4%
Evolution	4%
Human health and disease	4%
Microbes in human welfare	2%
Biodiversity and conservation	3%
Practical/internal assessment	40%

You must note that these percentages reflect the rough values based on the findings of the Kerala Plus Two Biology syllabus pattern. If you need the most up-to-date knowledge about the weightage or syllabus, visit the website of the board at dhsekerala.gov.in.

Also Read: Kerala Plus Two Exam Preparation Tips

What are the Benefits of the Kerala Plus Two Biology Deleted Syllabus 2026?

These are some of the main advantages of the Kerala Plus Two Biology Deleted Syllabus –

Because of the Kerala Plus Two Biology Deleted Syllabus, you can create a smart study plan.
Your scores will get better due to the reduced syllabus.
Your conceptual clarity in Biology will improve.
You will get more time to prepare for competitive exams like NEET.
Certainly, your academic anxiety will go down.
While solving the questions from the previous years’ Kerala Plus Two Biology test papers, you can skip the questions from the deleted syllabus.