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CBSE Class 12 Biology Preparation Tips 2026 - Check Tips & Tricks
CBSE Class 12 preparation tips for Biology- With a good preparation strategy, students can get full marks in the CBSE 12th Biology paper, as it is a theoretical subject. But, it needs a well-planned study timetable and smart CBSE class 12th biology preparation tips. There will be a practical exam and a theory section in the CBSE 12th Biology paper. Students can obtain full marks in CBSE class 12th with the guidance of teachers and by using CBSE class 12 preparation tips for Biology. Read further to understand the syllabus, unit-wise weightage, question paper design, and tips for the biology exam.
This Story also Contains
- CBSE Class 12 Biology Syllabus
- CBSE Class 12 Biology Unit-Wise Weightage
- CBSE Class 12 Biology Question Paper Design
- CBSE Class 12 Biology Practical Exam Evaluation Scheme
- CBSE Class 12 Biology Preparation Tips
- Reference Books for CBSE Class 12 Biology
CBSE Class 12 Biology Syllabus
CBSE Class 12 Biology Unit-Wise Weightage
| Unit | Title | Marks |
| VI | Reproduction | 16 |
| VII | Genetics and Evolution | 20 |
| VIII | Biology and Human Welfare | 12 |
| IX | Biotechnology and Its Applications | 12 |
| X | Ecology and Environment | 10 |
| Total | 70 | |
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Related eBooks & Sample Papers
CBSE Class 12 Biology Question Paper Design
- Demonstrate, Knowledge and Understanding: State, name, list, identify, define, suggest, describe, outline, summarize, etc.
- Application of Knowledge/Concepts: Calculate, illustrate, show, adapt, explain, distinguish, etc.
- Analyze, Evaluate and Create: Interpret, analyse, compare, contrast, examine, evaluate, discuss, construct, etc.
- An internal choice of approximately 33% would be provided
CBSE 12 Class Free Mock Test
Boost your exam preparation with our CBSE 12 Class Free Mock Test, designed as per the latest exam pattern.
Attempt Now| Competencies | Percentage |
| Demonstrate Knowledge and Understanding | 50% |
| Application of Knowledge / Concepts | 30% |
| Analyse, Evaluate and Create | 20% |
Also, read: CBSE Class 12th Time Table 2026
CBSE Class 12 Biology Practical Exam Evaluation Scheme
The practical examination will be of a two-hour duration. The written test included in the practical will be of 30 minutes duration. The question paper given to the students should be legibly typed. It should contain a total of 15 practical skill-based, very short answer-type questions. A student would be required to answer any 10 questions.
| Evaluation Scheme | Marks |
| One Major Experiment | 5 |
| One Minor Experiment | 4 |
| Slide Preparation | 5 |
| Spotting | 7 |
| Practical Record + Viva Voce | 4 |
| Investigatory Project and its Project Record + Viva Voce | 5 |
| Total | 30 |
Also, Read - CBSE Class 12 Preparation Tips for Chemistry
CBSE Class 12 Biology Preparation Tips
Biology opens a wide range of career opportunities, including medicine and other sectors. Read the sections below for brief details about the CBSE class 12 preparation tips for Biology.
Get Familiar with the Syllabus
The first and basic step is getting familiar with the CBSE class 12 syllabus. It helps in dividing the topics according to the marks weightage and difficulty level. This strategy also helps in optimizing study plans. Go through the detailed syllabus for CBSE Class 12th Biology for better performance
Check the Exam Pattern
This step will help to prioritize topics. The CBSE class 12 Biology paper pattern includes information like weightage of topics and type of questions asked. Students can focus on important chapters that carry more marks.
Choose Books to Study
The NCERT book of class 12 Biology is one of the prime books that students need to study first. They can use reference books but first, complete the NCERT books. Reference books will help to strengthen the basic concepts and help in tackling complex problems. Students should also go through Reference books for CBSE 12th Biology for practice.
Understand and Strengthen Basics
The next important CBSE class 12 preparation tip for Biology is to work on the basics. It is vital to be thorough with the basics before moving to more advanced concepts and topics. Try to pay extra attention to the basics. Commonly, students may face problems in topics that are more complicated, but understanding them from the basics will help them resolve them easily.
Starting with the NCERT books for CBSE class 12th Biology would be the best choice to work up to other reference books. Strengthening and understanding basics will not only help in board exams but also in different entrance exams.
Make Short Notes
It is imperative to make notes for quick revision and to remember complex concepts quickly. Notes are short versions of a wide topic, as the CBSE 12th Biology paper is more theoretical. It will be much more potent to study from notes rather than from someone else’s. It is also helpful to make flashcards for terminology, chemical equations, and formulas, as they are technical and students usually forget them. Making notes will save time immensely, as it will be easier to look back and then revise things quickly.
Solve and Practice from Sample Papers
It is always better that students go for CBSE class 12 preparation tips for Biology to schedule their practice sessions from sample papers. This gives an insight into the topics asked frequently in exams, weightage, time management, the standard of questions, exam pattern, and much more. Thus, it is always helpful to study from CBSE Class 12 Sample Papers.
Reference Books for CBSE Class 12 Biology
| Book Title | Author(s) | Publisher | Highlights |
| Pradeep's A Text Book of Biology for Class 12 | P.S. Dhami | Pradeep Publications | Detailed explanations with diagrams; great for CBSE & NEET. |
| S. Chand's Biology for Class XII | B.P. Pandey | S. Chand Publishing | Clear, exam-focused content aligned with CBSE. |
| Trueman's Elementary Biology Vol 2 | K.N. Bhatia, M.P. Tyagi | Trueman Book Company | In-depth theory; helpful for board and entrance exam prep. |
| MTG 100 Percent Biology Class 12 | MTG Editorial Board | MTG Learning Media | Chapter-wise questions, sample papers, and summaries. |
| Together with Biology for Class 12 | R.P. Manchanda | Rachna Sagar Publications | Practice questions and solved papers for revision. |
| Oswaal CBSE Question Bank Class 12 Biology | Oswaal Editorial Board | Oswaal Books | Topic-wise question bank with solutions as per latest CBSE pattern. |
| Dinesh Objective Biology for Class 12 | Dr. P.S. Verma, Dr. B.P. Pandey | S. Chand Publishing | Objective and MCQ-type questions for NEET and board prep. |
Also, read other subject-wise tips
Frequently Asked Questions (FAQs)
Q: Is NCERT enough for Class 12 biology?
A:
NCERT books of class 12 Biology is one of the prime books that students need to study first. After that students can go for other reference books.
Q: Is Class 12 Biology tough?
A:
The Class 12 Biology paper is quite dreaded as the syllabus is long. Students might find problems with Organic Chemistry and the numerical.
Q: How can I score high marks in biology class 12?
A:
Make a study plan and stick to it, complete the syllabus and get familiar with the exam pattern. Try solving more and more questions to deal with the real exam environment.
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Yes, if you’re not satisfied with your marks even after the improvement exam, many education boards allow you to reappear as a private candidate next year to improve your scores. This means you can register independently, study at your own pace, and take the exams without attending regular classes. It’s a good option to improve your results and open up more opportunities for higher studies or careers. Just make sure to check the specific rules and deadlines of your education board so you don’t miss the registration window. Keep your focus, and you will do better next time.
Hello Aspirant,
Yes, in the case that you appeared for the 2025 improvement exam and your roll number is different from what was on the previous year’s marksheet, the board will usually release a new migration certificate. This is because the migration certificate will reflect the most recent exam details, roll number and passing year. You can apply to get it from your board using the process prescribed by them either online or through your school/college.
Yes, if you miss the 1st CBSE exam due to valid reasons, then you can appear for the 2nd CBSE compartment exam.
From the academic year 2026, the board will conduct the CBSE 10th exam twice a year, while the CBSE 12th exam will be held once, as per usual. For class 10th, the second phase exam will act as the supplementary exam. Check out information on w hen the CBSE first exam 2026 will be conducted and changes in 2026 CBSE Board exam by clicking on the link .
If you want to change your stream to humanities after getting a compartment in one subject in the CBSE 12th Board Exam , you actually have limited options to qualify for your board exams. You can prepare effectively and appear in the compartment examination for mathematics again. If you do not wish to continue with the current stream, you can take readmission in the Humanities stream and start from Class 11th again, and continue studying for two more years to qualify for the 12th examination.
The GUJCET Merit List is prepared based on the Class 12th marks and GUJCET marks received by the students. CBSE students who are not from the Gujarat board can definitely compete with GSEB students, as their eligibility is decided based on the combined marks scored by them in GUJCET and the 12th board. The weightage of the GUJCET score is 40% and the weightage of the class 12 scores is 60%.
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