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CBSE Class 12 Biology Question Paper 2020 - PDF Download

Class 12

Solving previous year question papers can help you in properly studying for the upcoming examination 2020. Practicing these previous year question papers, which follow the same paper pattern as those used by CBSE in previous years, can make you feel more confident during your exams. 

Class 12 Biology previous year practise paper will help you in being familiar with the paper design and allowing you to practice it thoroughly. CBSE board question papers contain a group of questions that appeared in the prior year's exams. To become an expert in these sample papers will give you an idea of the types of questions that will be asked and the amount of time that will be required to answer them. This will assist you in improving your performance and your time management. Teachers may assign these past year question papers as an assignment so that you can gain a better understanding of what to expect in the upcoming exams.

CBSE Class 12 Biology Question Paper with Solutions 2020

The best way to check your exam preparation is by solving the question paper and then evaluating the answer sheet. So, to help students, we have provided the CBSE Class 12 Biology Question Paper Solutions 2020 in pdf form so that you can use them when you are offline. These pdfs contain the answers to 2020 class 12 of Biology papers. These answers are created by our experienced facilities and are written in a very simple language for students convenience.

CBSE Class 12 Biology Question Paper 2020 Exam Pattern 

(i) The Question paper had five sections - A, B, C, D and E. 

(ii) There are 27 questions in the question paper and all questions are compulsory. 

(iii) Section A question number 1 to 5 are multiple choice question carrying one mark each. 

(iv) Section B question number 6 to 12 are short answer types - I questions carrying two marks for each question.

(v) Section C question number from 13 to 21 are short answer questions type-II. carrying three marks each. 

(vi) Section D consist question number 22 to 24 are short answer questions type-III, carrying three marks each.

(vii) Section E question number 25 to 27 are long answer questions, carrying five marks for each question. 

(viii) Answer should be in brief and to the point also the above word limit be adhered to as far as possible. 

(ix) There is no choice in the question paper..

This Biology paper was of 70 Marks and 3 hours of time duration. Here, you can have a look at the paper pattern below.


No. of Questions

Marks per Question



1 Mark Each


Case-Based Questions



2 Marks Each



3 Marks Each



5 Marks Each

CBSE Class 12 Biology Syllabus 2020-21 (Revised & Reduced)








Genetics and Evolution



Biology and Human Welfare



Biotechnology and its Applications



Ecology and Environment





Question 1 : What are preparation tips & tricks for Biology CBSE Class 12?

Answer : Biology contains a lot of diagrams, it's critical to pay close attention to diagrams and their theory.

  • Make certain key terminology and its functions remembered.

  • Biology necessitates a great deal of study and memorizing of tough terms.

  • Because this is mostly a theoretical subject, pay close attention to the fundamental definitions and terms used in a particular topic.

  • To do better on the board exam, it is recommended that you must understand the weighting of each Science.

Question 2 : What is the pattern for the class 12 Biology examination 2020?

Answer : How many sections are there in the Biology Board Exam Paper for Class 12?

The Class 12 Biology Board Exam Paper is divided into five sections:

  • Section A had 10 multiple-choice questions (MCQs) and four one-mark Assertion-Reasoning type questions. 

  • Section B was in  3 source-based/case-based/passage-based/integrated assessment questions: 2 questions worth 5 points each and 1 question worth 4 points with subparts at 1/2/3 points each.

  • Section C had six short answers (SA) questions for two points each.

  • Section D was five long answer-I (LA-I) questions worth three points each.

  • Section E had three questions of the Long Answer-II (LA-II) type, each worth five points.


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