Latest exam pattern for CBSE class 12 Biology

This article will make you familiar with the latest exam pattern followed in CBSE class 12 Biology exam.

Updated: Mar 7, 2017 15:32 IST
Latest exam pattern for CBSE class 12 Biology
Latest exam pattern for CBSE class 12 Biology

Q. What is going to be the exam format for CBSE class 12 year?

Ans. With the countdown just running down for the board exams 2017, the most crucial time has come for the students when they should get well acquainted with the exam format and trends. CBSE Class 12 Biology exam, which is scheduled to take place on 5th April, 2017, had a different format last year, i.e., in year 2016. In the changed exam pattern, the number of sections has increased and the nature of questions has also changed.

As per the changed format , CBSE Class 12 Biology paper 2017 will have 5 sections with section A having 5 questions of one mark each; section B having 5 questions of 2 marks each; section C, 12 questions of 3 marks each; Section D, 1 question of four marks which will be a value based question and section E having  3 questions of 5 marks each.

S. No.

Types of questions

Number of questions

Weightage of each question

Total marks


Very Short Answer Type Questions





Short Answer Type I Questions





Short Answer Type II Questions





Value Based Question





Long Answer Type Questions






Total = 26


Total = 70


The changed exam format of CBSE Class 12 Biology is expected to have increased number of application-based questions asked in B and C sections, whereas the number of direct questions will be less and might be asked in sections A and E. Section C is supposed to have the complex part of the paper and carries maximum marks, 36.

No overall choice is given  in the question paper, however, an internal choice is provided in one question of  2 marks, one question of 3 narks and all the three questions of 5 marks. Moreover, in the changed exam pattern each 5 marks question is designed to have 3 or 4 short questions carrying 1 or 2 marks each. This way students not need to write the long descriptive answers rather they have to give an apt meaning to each short question saving their marks and time.

A few 5 marks question from previous year CBSE Class 12 Biology question paper are given below:

Q. (a) Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase.
(b) Why is follicular phase in the menstrual cycle also referred as proliferative phase? Explain.
(c) Explain the events that occur in a graafian follicle at the time of ovulation and thereafter.
(d) Draw a graafian follicle and label antrum and secondary oocyte.

Q. (a) Name the two growth models that represent population growth and draw the respective growth curves they represent.
(b) State the basis for the difference in the shape of these curves.
(c) Which one of the curves represent the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.

Q. (a) Taking an example of a small pond explain how the four components of an ecosystem function as a unit.
(b) Name the type of food chain that exists in a pond.

Biology is the an important subject of Class 12th with extremely vast syllabus. One needs to have a well planned study schedule to score good marks in this subject. Time management is also very important when it comes to complete the whole theory based exam paper within the stipulated three hours duration. Additional 15 minutes question paper reading time must be utilised well.

Three hours time should be divided properly into 5 sections with each section given enough time to complete it. We have an example to show you how you can manage your time to complete the five sections. For example: give 10 minutes to section A, 20 minutes to section B, 60 minutes for C, 15 minutes for D and 60 minutes for last section E. Spaer out last 15 minutes to revise your paper at last.

For more preparation tips & strategies for CBSE Class 12 Biology, follow the links given below:

CBSE Class 12 Biology Board Examination Pattern

CBSE Class 12 Biology Exam 2017: Last Month Preparation Tips to Score Maximum Marks

How to prepare for CBSE Class 12 Biology exam 2017

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