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CBSE Class 12 Biology Preparation Tips 2025 - Check Tips & Tricks
Edited By Vishal kumar | Updated on May 16, 2025 01:47 PM IST | #CBSE Class 12th
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.
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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
| Unit No. | Unit Name | Chapter No. | Chapter Name |
| VI | Reproduction | 2 | |
| 3 | |||
| 4 | |||
| VII | Genetics and Evolution | 5 | |
| 6 | |||
| 7 | Evolution | ||
| VIII | Biology and Human Welfare | 8 | |
| 10 | |||
| IX | Biotechnology and Its Applications | 11 | |
| 12 | |||
| X | Ecology and Environment | 13 | |
| 14 | Ecosystem | ||
| 15 |
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 | |
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
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Download EBook| Competencies | Percentage |
| Demonstrate Knowledge and Understanding | 50% |
| Application of Knowledge / Concepts | 30% |
| Analyse, Evaluate and Create | 20% |
JEE Main Important Mathematics Formulas
As per latest 2024 syllabus. Maths formulas, equations, & theorems of class 11 & 12th chapters
Also, read:
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)
1. Is NCERT enough for Class 12 biology?
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.
2. Is Class 12 Biology tough?
The Class 12 Biology paper is quite dreaded as the syllabus is long. Students might find problems with Organic Chemistry and the numerical.
3. How can I score high marks in biology class 12?
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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4 min ⋆ May 09, 2025 02:05 AM ISTQuestions related to CBSE Class 12th
Have a question related to CBSE Class 12th ?
Changing from the CBSE board to the Odisha CHSE in Class 12 is generally difficult and often not ideal due to differences in syllabi and examination structures. Most boards, including Odisha CHSE , do not recommend switching in the final year of schooling. It is crucial to consult both CBSE and Odisha CHSE authorities for specific policies, but making such a change earlier is advisable to prevent academic complications.
Manasvini Gupta 30 January,2025
Hello there! Thanks for reaching out to us at Careers360.
Ah, you're looking for CBSE quarterly question papers for mathematics, right? Those can be super helpful for exam prep.
Unfortunately, CBSE doesn't officially release quarterly papers - they mainly put out sample papers and previous years' board exam papers. But don't worry, there are still some good options to help you practice!
Have you checked out the CBSE sample papers on their official website? Those are usually pretty close to the actual exam format. You could also look into previous years' board exam papers - they're great for getting a feel for the types of questions that might come up.
If you're after more practice material, some textbook publishers release their own mock papers which can be useful too.
Let me know if you need any other tips for your math prep. Good luck with your studies!
Jefferson 25 September,2024
It's understandable to feel disheartened after facing a compartment exam, especially when you've invested significant effort. However, it's important to remember that setbacks are a part of life, and they can be opportunities for growth.
Possible steps:
-
Re-evaluate Your Study Strategies:
- Identify Weak Areas: Pinpoint the specific topics or concepts that caused difficulties.
- Seek Clarification: Reach out to teachers, tutors, or online resources for additional explanations.
- Practice Regularly: Consistent practice is key to mastering chemistry.
-
Consider Professional Help:
- Tutoring: A tutor can provide personalized guidance and support.
- Counseling: If you're feeling overwhelmed or unsure about your path, counseling can help.
-
Explore Alternative Options:
- Retake the Exam: If you're confident in your ability to improve, consider retaking the chemistry compartment exam.
- Change Course: If you're not interested in pursuing chemistry further, explore other academic options that align with your interests.
-
Focus on NEET 2025 Preparation:
- Stay Dedicated: Continue your NEET preparation with renewed determination.
- Utilize Resources: Make use of study materials, online courses, and mock tests.
-
Seek Support:
- Talk to Friends and Family: Sharing your feelings can provide comfort and encouragement.
- Join Study Groups: Collaborating with peers can create a supportive learning environment.
Remember: This is a temporary setback. With the right approach and perseverance, you can overcome this challenge and achieve your goals.
I hope this information helps you.
Kanishka kaushikii 17 September,2024
Hi,
Qualifications:
Age: As of the last registration date, you must be between the ages of 16 and 40.
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Get the Medhavi app by visiting the Google Play Store.
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Examine Notification: Examine the comprehensive notification on the scholarship examination.
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Get Results: In just two days, the results are made public.
Verification of Documents: Provide the required paperwork and bank account information for validation.
Get Scholarship: Following a successful verification process, the scholarship will be given. You need to have at least passed the 10th grade/matriculation scholarship amount will be transferred directly to your bank account.
Scholarship Details:
Type A: For candidates scoring 60% or above in the exam.
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Cash Scholarship:
Scholarships can range from Rs. 2,000 to Rs. 18,000 per month, depending on the marks obtained and the type of scholarship exam (SAKSHAM, SWABHIMAN, SAMADHAN, etc.).
Since you already have a 12th grade qualification with 84%, you meet the qualification criteria and are eligible to apply for the Medhavi Scholarship exam. Make sure to prepare well for the exam to maximize your chances of receiving a higher scholarship.
Hope you find this useful!
Yuvan 30 August,2024
hello mahima,
If you have uploaded screenshot of your 12th board result taken from CBSE official website,there won,t be a problem with that.If the screenshot that you have uploaded is clear and legible. It should display your name, roll number, marks obtained, and any other relevant details in a readable forma.ALSO, the screenshot clearly show it is from the official CBSE results portal.
hope this helps.
Ashvadha 12 July,2024
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