CBSE 12th Science Solved Previous Year Papers

While practicing the previous year papers, their are times when one will need to check if s/he is giving the right answer. So, to help students, our experts have made the the solutions of the previous 10 years papers as per CBSE marking scheme.

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  1. Hlo sir I am ishika for class 12 commerce student ,sir mera parso economics na paper hai mujhe kuch samajh nhi aa rha konsa topic pehle Kru , jisse saare samajh saku ,sir plzz mujhe kuch tips bta do jisse main accha score kr saku.

  2. Hi man I m d student of CLS 12 n I have got compartment in economics… How should I revise for getting good marks ..kya mere admission me koi problem toh nhi na honge compartment k result se…I m very worried my carrier

    1. Hello Ruby, No, there will be no problem. And you can revise previous year question paper for practice follow the link: Economics previous year paper

  3. Hi mam
    Anamika here.
    Mam i am.a pcb student and want to score 90+ at least but my physics is not so good..I an finding difficulties in solving questions. How should i prepare myself for board exams? Please mam tell me

  4. Is ncert of maths and physics is sufficient for 12th board to score 80%

    1. Hello Bhalla,
      NCERT is for sure enough to score good marks in board exams, but if you have time left, then you should try practicing from some other books.

  5. Hlw I want to ask in phy that derivation is not completely explain in ncert book if I will do the derivation which my teacher had told me then marks will decrease in board?

    1. Hello Soumya,
      You will get full marks if the derivation is right. And since it’s you school teacher who have thought you the derivation, then it is most likely to be right. So, don’t worry and practice from wherever you want to.

  6. Hello mam. I’m PCB student. Mam while doing physics I face many difficulties and I’m unable to solve my problem with my teacher and I don’t have confidence. Due to this I scored less marks in my recent exams, only 63 out of 70. And due to only this subject my slope is going down. Mam please tell how I can I build up my confidence and mam also tell me which book is best for preparation.

    1. Hi Preeti.
      When it comes to subject like Physics it is important that basic concepts are clear to you because then you will be able to do numerical easily. Next thing to do is remember all the important formulas as it play a very critical role. Practice as much as you can. Now as you have mentioned that you don’t take help from your teacher then it is really going to be difficult because if don’t clear your doubts then you will never learn properly. Never hesitate to ask questions as it will only help you do better. To build up your confidence start with easy questions always. Whenever you are studying physics first study that chapter which you find easy and interesting and then practice difficult questions. NCERT books are best to study from if you want to score god marks in board exam. First complete your syllabus from NCERT and practice not only the excersice questions but also examples. Keep on doing the hard work and believe in yourself, you will do great.

  7. Mam I am 12th class pcm student(CBSE) and I am weak in maths. So mam please suggest me some ways how to practice maths and how to score well in this subject in boards exam?

    1. Hi Sunny.
      As, you have mentioned that you find maths subject little difficult then others so, first what you need to do believe in yourself that nothing is impossible. Subjects like Maths and Physics need lot of practice. So, set yourself a time table and divide your syllabus and make sure you are doing regular study. First clear your basic concepts and never hesitate to ask questions from your teachers. If you find yourself stuck at some point take help from your teachers. Practice is the only key to get better in Maths. So, practice as much as you can. Formula plays a very important role so, keep all the formulas on your tips. NCERT books are most recommended to all the students who want s to score good marks in board exam. Be focused while studying and dedicated towards your studies. You will have to work hard only then you will achieve success.

  8. Hi mam. I want to make my career as an engineer. I have given competitive exams and have cleared it but my bad luck I have got compartment in maths. Mam the date has been given and it is 17 July. Mam please tell me something, how can I score at least 70 marks. I can do anything for it. Please help mam.

    1. Prof. Divyanshi Sharma

      Hi Rohan.
      First of all you need to be relaxed because only then you will be able to fully concentrate on your studies. You have to be focused and dedicated towards your studies. Not much time is left for the compartment exam so, practice from previous year paper and sample paper. If you want to score good just go thorough NCERT book and does not leave any topic. Along with the NCERT excerise questions also study the examples and everything. Practice as much as you can. Regular study is very important. Don’t get nervous just work hard and you will score good marks for sure. All the best.

  9. Mam, I want to score 90+% with pcm in class 12. Can you please tell me how to make a proper study time table? And my organic chemistry is weak so how can I prepare for my chemistry well.

    1. Prof. Divyanshi Sharma

      Hi Shubahm.
      It is good that you are aiming for 90+ in board exam but for that you will also have to work hard. While studying always be focused and dedicated. Set a time table in such a way that you are able to give equal time to every subject. NCERT books are most recommended to students who wan to score good marks in their board exam. While studying organic chemistry make your own notes and write down all the important reactions. In a weak or two always do revision or you will just forget everything. Practice as much as you can. With hard work everything is possible. Before at least a month of your exam practice from previous year paper and sample paper as you will get the idea of important questions. All the best.

  10. Mam I want to score more than 90 % in my board exam of 12th. But I’m confused that on which subject i.e. either theoretical subjects or on accountancy I should concentrate more, which will lead me a good percentage.

    1. Prof. Divyanshi Sharma

      Hi Ritu.
      It’s good that you aim to score 90+ marks in your board exam. To achieve your goal you need to be dedicated towards your studies and work hard each and every day. Set a time table so, that you give equal time to every subject. You must understand that every subject is equally important. Practice as much as you can. Be focused while studying. NCERT books are most recommended for students who aims to score good marks in board exams. Practice from previous year paper and sample paper as, you will get the idea of important questions. Just keep yourself motivated and keep up with the hard work, you will certainly score good marks.

  11. Hi mam. I just entered 12 class & appearing for boards this year. I want to score 95% above and apply in DU
    (humanities stream). Mam please tell the strategies to achieve my goal. Look forward for your immediate reply.

    1. Prof. Divyanshi Sharma

      Hi Shikha.
      Every student dreams to score 90+ in their board exam but only few are able to achieve it because they are determinant and focused towards their dream. This is what you also need to do, work hard each and every day. Set a time table and follow it strictly. Give equal time to every subject. NCERT books are most recommended to those students who aim to score really good marks. Don’t just cram everything rather study with strategy. Practice from previous year paper and sample paper, it will help you a lot. Keep yourself motivated and work hard. You will surely achieve your goal. All the best.

  12. Mam, I’m Kanika. I’m a non medical student. And I failed in maths. So I’m applying for compartment exam. I’m also applying for improvement exam in rest of the subjects as I am not satisfied with the result .So mam please guide me how should I prepare now. Also tell me about the details of both exams.

    1. Prof. Divyanshi Sharma

      Hi Kanika.
      As, you have mentioned that you have got compartment in maths then at present all you need to focus on, is to prepare for the compartment exam. The procedure of filling compartment form starts in the month of June and the exam is conducted in July. If you were a regular student then you would get the compartment form from your school but if you were a private student you will have to apply online. Once you have cleared the compartment exam you will be considered pass in class 12th. But if you are not satisfied with your marks you can apply for improvement exam too. The forms will be available in the month of August-October and the exam will be held along with the regular exam in March that is the next year. At present just focus on compartment exam and work hard for it. Since you are preparing for maths exam you must practice from previous year paper. You can check out previous year paper of maths in our website, just search for ‘Buy CBSE 12th Maths Previous Year Solved Papers’ in the search box of our website. Keep working hard and all the best.

  13. Hy mam ..shruti here
    I hv done well in my accounts exam as this yr question paper was really very tough I got compartment in this exam.. Could u plzzz guide me how to prepare for accounts exam…..

    1. Prof. Divyanshi Sharma

      Hi Shruti. You are right, this year Accounts paper was a bit difficult. For the compartment exam, you need to practice a lot. Solve sample papers and previous year papers which will surely help you to score better. Good luck.

  14. Hello mam,
    kya aap mujhe bta skte hai ki main 12 class main 80% kaise la skta hu[PCB] aur physics mujhe kam aati hain plz tell me tips for physics. thank you mam

    1. Prof. Divyanshi Sharma

      Hi Shiv.
      Everything is possible with hard work. Keep this in mind and be dedicated towards your studies. At present you have enough time to prepare for the board exams. If you put your efforts in the right direction then you can achieve really good marks. Set a timetable and follow it. Practice regularly. Your each day efforts will count. For Physics you need to focus more on the concept of every topic, once all the concepts are clear things will become easy for you. Don’t give up. If you find something difficult that means you need to practice it more often. Keep yourself motivated and work hard.

  15. Only 2 months are left in physics exam but i am very nervous because of numericals and derivations.i have learn all the theortical part of physics.and i want score 90 plus in exam. Suggest me a book that i should study in remaining time for numericals and derivations.

    1. Prof. Divyanshi Sharma

      Hi Champak.
      First of all don’t get nervous. Be confident. It’s good that you want to score above 90 marks in your exam. The best books to score really good marks in 12th are NCERT books other than these books you can study from NCERT Solutions by Arihant, Pradeep Fundamental Physics and Modern ABC. Study hard and keep yourself focused. You will score good marks for sure.

  16. Hlw mam,
    I have aprx 10 mnths for my 12th board exams.aftr that i will go for some entrance exams like iit,jee.i am very confused.i am going to study the 10 mnth for board and after 12th i will study for entrance.its my plan.am i doing right?plzz suggest mam…or should i study for both exms from now?give me some tips to score good marks in both boards and entrnce exam

    1. Prof. Divyanshi Sharma

      Hi Rohan, however you are going right but there is a better option. Look, exams like IIT JEE comprises mostly the syllabus of class 11th and 12th. So, why not to prepare for both, side by side.
      As you have asked for tips, let me tell you that there is no such tip for success. But, yes, if you start focusing keeping aside all the distraction, then success will be all yours. Study throughout the year and focus on clearing your basic concepts. Good Luck.

  17. Hello ma’am I want to score 95above prcntge in 12th boards what should I do?Do I have to swallow ncert books only or I hv to go for 2-3 refreshers nd another thing is that is it necessary to go for coachings in chemistry.plzz suggest sm ideas how can I score 95 +in PCM

    1. Prof. Divyanshi Sharma

      Hi Aruhi. As you know 95+ is such a high percentage, and for that you have to work really very hard. From the very beginning, follow a strict studying rule. NCERT books are good from the exam point of view but at the same time, you need a good refresher to clear your basic concepts. So, choose a refresher for each subject along with focusing on NCERTs. Good Luck.

  18. Hi Ma’am..
    I hv just stepped foot into XII (NonMed) nd i m pretty much determined to score my personal best (95+%)as it is my last year of school life…
    I want u to please guide me about some points…
    1.I will nt go for competitions like IIT..so will NCERT books be helpful enough for me to score over 95% in my boards??? or will I also hv to purchase those expensive reference books?
    2.How should I prepare for my topics as it is very beginning of the session now nd ur guidelines can surely help me??

    Plz Rply Soon..Thank u

    1. Prof. Divyanshi Sharma

      Hi Aman.
      As, you have mentioned that this year you have started your 12th class studies and are looking forward to score 90+ percentage. Yes, NCERT are the best books to study from if you are just focusing on 12th board exam. CBSE board frame most of the questions from the NCERT book only. But having one or two reference book is not a bad idea as, they will help you clear all your doubts. For subjects like Maths and Physics make sure that you fully understand the concept behind every topic to score really good marks. For chemistry always study while writing down all the reactions and important topics which will eventually help during the exam time. Work hard and practice daily. Set a time table and follow it. Be dedicated towards your studies and you will score good marks for sure.

  19. Sir kisi karan vs meri 11th ki padhai bhich me hi chut gayi nd ab maine 12 me admission liya h aur maine commerce li hui h to mein acchi percentage kaise pa sakta hu plese tell me

    1. Prof. Divyanshi Sharma

      Hi Shard.
      As, you have mentioned you were unable to complete your 11th class studies due to some reason but don’t worry about it now. Right now you have an opportunity to to perform well in your exam and score good marks. Just be dedicated towards your studies. Set a timetable and follow it regularly. Since you must have missed many important chapters, you have to do extra hard work. Self study is very important so, don’t rely on coaching. Keep doing hard work.

  20. hello mam
    muhje kuch nhi aata phyics me
    kya ap muhje bat sakti h ki
    me exam me at least 30 outof 70 kaise la sakta hu
    plz help me
    muhje physic bilkul bi samaj nhi aati
    ap improtant que. bata do plz

    1. Prof. Divyanshi Sharma

      Hi Vishal.
      Only few days are left for board exam so, start practicing from previous year paper and sample paper. They will help you a lot as you will get the idea of important questions. Focus on those chapters in which you are confident. Be focused and work hard. You will score good marks for sure.

  21. Greetings Prof.
    Organic Chemistry is of a concern in here because it’s pretty difficult to come up with.
    It has a very huge and lengthy part to learn which also affects the inorganic and physical to finish up..
    Plz suggest a way to score at least 90 marks of 100 in chemistry

    1. Prof. Divyanshi Sharma

      Hi Utkarsh.
      Organic chemistry is one of the most interesting part in chemistry. All you have to do is that you have to pay complete attention towards it, have to make your concepts clear about how each and every reaction is carried out. Start studying it with complete dedication and try to solve questions related to the topic from sample papers and previous year question papers. It will help you a lot to know that how questions are framed for organic part, and will help you a lot with the preparations. Keep practicing, you will get good marks.

  22. how to prepare physics In last 28 days

    1. Prof. Divyanshi Sharma

      Hi Amit.
      Just be dedicated, and utilize all your time for your studies, start practicing from sample papers and previous year question papers and just be focused, you will get good marks.

  23. Sir i am 60% student but i want to take 80 % marks in board exams i was very nervous plzz help me what i will do

    1. Prof. Divyanshi Sharma

      Hi Rahul.
      Be confident and start studying with that confidence only, that yes, I can do it. The day you will start trusting yourself and will study with complete dedication, you will gain good marks. So, practice hard, you will get good marks.

  24. sir please tell me how to study maths …
    i am good in chemistry , physics , english and hindi but mathematics is my problem.. please help me sir………

    1. Prof. Divyanshi Sharma

      Hi Avinash.
      If you want to get excellence in mathematics then you will have to practice it thoroughly. So, starting practicing each and every question clearly by getting clear with each and every concept. Work hard, you will get good marks.

  25. Hii…. sir since now about a month is left for board exam and I hv not studied well whole yr So can u make a timetable fr me to complete whole course in this time and also tell me to study frm where

    1. Prof. Divyanshi Sharma

      Hi Shazaib.
      Don’t be nervous, we understand that this is high time now, but you have to keep yourself calm, so that you can practice more efficiently, so start clearing those concepts first that you can easily grab, and then start practicing with those concepts that will be difficult for you. Utilize every single minute no, and make sure whatever you are studying you are getting clear with that concept, and for that you can also conducts tests for yourself. Set a strategy of finishing with the syllabus within 20 days, so that the rest of the days, you can utilize for your thorough revision. Work hard, you will get good marks.

  26. Only 2 months are left in physics exam but i am very nervous because of numericals and derivations.i have learn all the theortical part of physics.and i want score 90 plus in exam. Suggest me a book that i should study in remaining time for numericals and derivations.

    1. Prof. Divyanshi Sharma

      Hi Akhil.
      As only one month is left for your examinations, so, we suggest you to practice the numericals and derivations from sample papers and previous year question papers rather than wandering for books. It will be helpful for you. Start practicing, you will get good marks.

  27. sir, pls what i do …i m so much nervous for my board xam this time how will i study i dnt knw i have did so much in my school… i read only once time book properly but this how i revised all book i dnt knw ..i have left very less time pls give me some tips…
    this tension create headache….

    1. Prof. Divyanshi Sharma

      Hi Annu.
      Don’t get nervous. Be calm first of all, still you have some time left. Utilize it for the best. Don’t waste a single minute now. And study well. Set a proper time table for yourself, and be dedicated towards your studies. Work hard, you will get good marks.

  28. Ma’am, I need you help.
    I wanted to score 95% in board. I have completed my 90 % of syllabus but don’t know how to pen down them. I wanted tips how can achieve my goal how to prepare in high time & I know I can. I have last 10 year solved question paper(Delhi + AI) . Solving them all can help me achieving my target. Please sir give me a solid tip I will do anything you say if I ll achieve 95%. I can max spend 12-15 hr daily.

    1. Prof. Divyanshi Sharma

      Hi Aditya.
      We appreciate that you are concerned for your exams, and want to utilize all your time for the preparation of board exams, and the spirit within you to achieve good marks will help you a lot. And of course these papers will also help you, practice from them, set a proper time table for yourself. One and a half month is left, just be dedicated towards your studies. Work hard, you will definitely get good marks.

  29. I hve only 1mnths left for 12th board xam plz tell me how to study in this last month…bcoz i am very weak…

    1. Prof. Divyanshi Sharma

      Hi Vivek.
      We understand that this is high time for every board aspirant. But don’t get nervous. As only one and a half month is left, so be dedicated towards your studies and don’t let yourself to get distracted. So, work hard. You will get good marks.

  30. hai iam bhagi of class 12th I m not able to plan a stergy to study for exam and not able to be foccessd what shall I do

    1. Prof. Divyanshi Sharma

      Hi Bhagyasri.
      Don’t get distracted, as this is the peak time now. Set a proper time table for yourself and follow it accordingly. Make sure when you are studying, you are in a separate room, so that no one can disturb you. Be focused towards your studies and work hard. You will get good marks.

  31. Sir,i m lun lupho class 12 student in Don Bosco School,itanagar.i don’t know what books to study till now i wonder but i want to secure 90% please tell me which book should i study .i ask u honestly from bottom of my heart….

    1. Prof. Divyanshi Sharma

      Hi Lun.
      As very less time is left for your boards, so, this is not the time to wander for books. Therefore, we recommend you to practice from sample papers and previous year question papers. Work hard, you will definitely get good marks.

  32. my weakness is that i forget answers what i learnt please advice me what to do

    1. Prof. Divyanshi Sharma

      Hi Yashi.
      You are forgetting them because you are not studying thoroughly and also you are not focused. It might be because of exam stress. So, first thing you have to do is that be calm and then start revising and that too with complete dedication. Be focused. You will definitely score good marks.

  33. I hve only 1mnths left for 10th board xam plz tell me which book is best to study for xam …

    1. Prof. Divyanshi Sharma

      Hi Romaan.
      We understand that very less time is left, but don’t get nervous. And now this is not the time to wander for books. Just keep on practicing from sample papers and previous year question papers. You will definitely get good results.

  34. I am feeling very difficult to solve

    ๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚Please tell me how to study
    Please mam

    1. Prof. Divyanshi Sharma

      Hi Sambhrama. It is all due to lack of practice. First of all, clear your concepts from NCERT book and then again come up to these previous year papers. It will be effective, for sure.

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