CBSE Class 12 Biology Preparation Tips 2020- With a good preparation strategy, students can get 100 marks in CBSE 12th Biology as it is basically a theoretical subject. Only a well-planned study time table and smart study strategy can do wonders. There will be a practical and theory section in CBSE 12th Biology paper. Students can obtained full marks in practical with the guidance of teachers and completing assigments on time. While to score 60+ marks in theory paper, below given CBSE Class 12 Biology Preparation Tips are helpful. Some of the important topics covered in biology exam of CBSE Class 12th 2020 are Reproduction, Genetics and Evolution, Human Health and Diseases, Organisms and Populations etc. Read the given CBSE Class 12 prepration tips for Biology 2020 to improve your chances of getting full marks.
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CBSE Class 12 Biology Preparation Tips

CBSE Class 12 Biology Preparation Tips 2020

With Biology as a subject, a student can apply not only for a career in medicine; they can also choose various other career profiles like Optometry, Medical Laboratory Technology, Dialysis Therapy Technology, Health Information Management, Audiology & Speech-Language Pathology, Medical Radiology and Imaging Technology, Operation Theatre Technology etc. Read this article which focuses on CBSE class 12 preparation tips for Biology including tricks on how to study smart, exam pattern, syllabus and much more.

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CBSE Class 12 Biology Preparation Tips 1- Know the Syllabus

It is very important to know the CBSE class 12 syllabus for Biology before preparing for the exam as knowing the syllabus enables you to divide topics according to weightage and difficulty level. This way you can plan your study for CBSE 12 Biology better. A detailed syllabus for class 12 Biology is given below:



Important Topics




Reproduction in Organisms; Sexual Reproduction in Flowering Plants; Human Reproduction; Reproductive Health; Genetics and Evolution



Genetics and Evolution

Heredity and variation; Molecular Basis of Inheritance; Evolution



Biology and Human Welfare

Human Health and Diseases; Strategies for Enhancement in Food Production; Microbes in Human Welfare




Principles and processes; Biotechnology and its Application



Ecology and Environment

Organisms and Populations; Ecosystem; Biodiversity and its Conservation; Environmental Issues




CBSE Class 12 Biology Preparation Tip 2- Get Exam Pattern Info

After checking the syllabus, you can priorities topics using the CBSE class 12 Biology exam pattern. It includes the weightage of topics and types of questions asked from the topics. For example, students can focus more on Genetics and Evolution as it has the highest weightage and only three chapters. After that, students can focus on Biology and Human Welfare as it has a weightage of 14 marks and only three chapters. Check the exam pattern of CBSE 12th below:

Type of Question

Mark(s) per Question

Total no. of Questions

Total Marks




















CBSE Class 12 Biology Preparation Tips 3- Which books to refer?

CBSE prescribes NCERT Class 12th Books for Biology exam but sometimes the questions are too complicated and NCERT books fall short. Thus, it is advised that a student uses reference books but only after they have studied Biology NCERT book thoroughly. NCERT will help student to build and strengthen their basic concepts while reference books will help student tackle more advanced and complicated questions. Here is a list of Reference books for CBSE 12th Biology, students can refer:


Reference books for CBSE 12th Biology

Author/ Publishers


NCERT class 12 Biology Textbook



CBSE Biology Chapterwise Solved Papers class 12th

Arihant Expert


Pradeep’s A Text Book of Biology class 12

P.S. Dhami


S.Chand’s Biology for class XII

B.P. Pandey


Trueman’s Elementary Biology for Class 12 and NEET

K.N. Bhatia and M.P. Tyagi

CBSE Class 12 Biology Preparation Tips 4- Prepare a study plan

It is also very important to prepare a study plan. Try to make a study plan you can stick to. Study plans help you inculcate discipline in your studies by adding structure to your whole day so you do not waste your time. Make a study plan which includes time for your chores and hobbies as well. Include breaks in your timetable and shuffle subjects and units to avoid boredom.

CBSE Class 12 Biology Preparation Tips 5- Strengthen your basics

Another important CBSE class 12 preparation tip for Biology is to strengthen your basics. It is very important to be thorough with the basics before moving to more advanced topics. If you are not paying attention to your basics, you will face problems in topics which are more complicated. Thus, start with NCERT books for Biology and work your way up to reference books. Strengthening your basics will not only help you in boards but also in entrance exams.

Also, Read CBSE Class 12 Preparation Tips for Chemistry

CBSE Class 12 Biology Preparation Tips 6- Make flashcards and your own notes

Instead of following the mainstream suit of borrowing notes, it is imperative to make your own notes. Notes are condensed versions of a wide topic and it will be much more potent to study from your own notes rather than from someone else’s. Also, try to make flashcards for terminology, chemical equations, and formulas as they are technical and students bound to forget them. Making flashcards and notes will save your time immensely as it will be easier to look for a topic or quickly revise something.

CBSE Class 12 Biology Preparation Tips 7- Practice from Sample Papers

Another good CBSE class 12 Preparation Tips for Biology is to practice from sample papers. This gives you an insight of the topics asked frequently in exams, weightage, the standard of questions, exam pattern and much more. Thus, it is imperative to study from CBSE class 12 Sample Papers. Practising from sample papers will also help you feel more confident and prepared for the exam.

CBSE Class 12 Biology Preparation Tips 8- Take Short Breaks

Being a theoretical subject, Biology can be exhausting as it encompasses theory, practical, formulas, chemical equations and terminology. You need to take ample amount of breaks mid-study to keep focused. Remember to follow some hobbies for a small amount of time, exercise and eat healthy food. A healthy body breeds a healthy mind!

Also, Read CBSE Class 12 Computer Science Preparation Tips

CBSE Class 12 Biology Preparation Tips 2020 (Section-wise)

There are five types of questions in CBSE class 12 question paper of Biology exam. A different strategy must be used for these different kinds of questions. CBSE class 12 preparation tips for Biology explain how to answer them. Read below to learn how to attempt Biology questions section-wise:

  1. Remembering: These are simple recall questions and entail specific facts, terms, concepts, principles, theories or ask you to define, recite or write information on them. The density of this question type is 10% in the paper.
  2. Understanding: To attempt these kinds of questions, you need to understand them conceptually and answer them after comparing, contrasting, explaining and paraphrasing information. The density of these questions is 30% in the paper.
  3. Application: These questions are attempted by using abstract information in concrete situations. You need to apply knowledge to new situations and use given content to interpret a situation. Density of application questions is 30% in the paper.
  4. High Order Thinking Skills (H.O.T.S): To attempt H.O.T.S. questions, you have to classify, compare, contrast or differentiate between different pieces of information and organise and/or integrate pieces of information from a variety of sources. The density of H.O.T.S. questions in the paper is 17%.
  5. Evaluation: Appraising, judging and justifying the value or worth of a decision or an outcome is how you attempt evaluation questions. The density of such questions is 13% in the paper.

Also, Read How to Score High Marks in CBSE 12th Maths?

CBSE class 12 Preparation Tips for Biology

Biology is a lengthy exam and if students prepare for it well then it will also help them in entrance exams. We have prepared a list of handy tips and tricks to structure your academic lifestyle. These are tried and tested pieces of advice from previous toppers and exam experts. Check out all the CBSE class 12 preparation tips for Biology here:

Know all about the exam

In order to be successful in an exam, you should know all about the exam. Learn about the syllabus, exam pattern, the standard of questions, exam dynamics and everything you can find. This will help you in structuring your studies immensely. You should also check statistics and previous year’s data to get a more realistic view of the exam.
Also, check CBSE 12th result 2020.

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Questions related to CBSE Class 12th

Showing 40 out of 40 Questions

may i know the exam date of history 315 sr.secondary

Manish Singh 25th Mar, 2020

After the cancellation of the open board 12th class examination till 31st March, a new date sheet has been announced by the National institute for Open Schooling on its official website. According to it the  exam date for History 315 for class 12 is 9th April


12 compartment student take admission in any college of after complete compartment exam.

Soham sengupta 19th Mar, 2020


actually it is not possible to take admission in any college of BTech after just completing your 10 + 2 compartment exam. You have to  give the exam of of any joint entrance examination for  engineering or similar like this. You have to pass on this examination and if you have a good rank you can take admission in good colleges. Don't worry if you have not a good rank you can take admission in private colleges also with low ranks also.

Hope this will help you.


Im fail in 12 last year. in this year Im private candidate of cbse 2020 . if i fail in one subject. can i give compartment exam

Rehan Alam Student Expert 17th Mar, 2020

Dear Aspirant,

Compartment is an extra chance to appear for the exam which you might not be able to qualify in the first time. Compartment is given if you are fail in only one subject, so yes if you fail in one subject then you're allowed to give compartment, however, if you have fail in more than one subject, then it is considered as fail.

Hope this helps. Thank you.


goodevening, I Ajaykumar, What if I got failed in 2 subjects out six subjects. will i get compartment!

Neha Kanwar 13th Mar, 2020

Hello Ajay,

Yes this is true that if you fail in any of your subject you get compartment and have to reappear for the examination.

As per your query you asked if you failed in 2 out of 6 subjects so it is not about 2 subjects if you fail in even one subject then you have to give the exam again to clear it out.

Good Luck !


cbse class 12th ki compartment ki marksheet pe all (5) subjects ke marks appear (printed) hoge ya fir .only jis subject mai compartment di hai usi 1 subject ke marks printed aayege?

Yash Dev Student Expert 8th Mar, 2020
Hello student on the compartment result only one or number of compartment exam results are printed not all results will be printed like normal results.
Rest of the results are printed on your board examination original marksheet.
(if you've given compartment examination in only one subject then only that one subject results will be published).

Feel free to comment if you have any doubt
Good luck
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