NSEB 2020 Eligibility Criteria


NSEB 2020 level 2 eligibility

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Due to Covid 19 - The usual three-stage procedure for the selection of the teams to represent India at the International Olympiad that has been followed in prior years is now being shortened to a two-stage procedure as a one-time exception only for the academic year 2020 - 21. Read more about IOQ 2020-21.

The National Standard Examination in Biology abbreviated as (NSEB) is a competitive olympiad exam that is conducted by the Scientific Community of India since the year 2000. NSEB is the first stage of selection of students in the Biology Olympiad Programme, organized by the Indian Association of Physics Teachers (IAPT) at different centers all over the country.  Every year 20000 to 60000 students participate in this exam. NSEB is the selection stage for the selection of aspiring and talented students in the Biology Olympiad Program. The students are eligible for other stages only after clearing this stage.

Preparing for NSEB as a student requires research, perseverance, and intelligence. The completion is both theoretical and practical, having a weightage of approximately 50% each. The exam covers Molecular and cell biology, plant and animal physiology, and anatomy, ethology, genetics, evolution, ecology, and biosystematics.

FAQ (Frequently Asked Questions)

Q1. What is NSEB 2020 Exam Pattern?

Answer: The syllabus for the NSEB Exam is equivalent to senior secondary level (up to and including Class XII) CBSE.

The exam pattern is as follows:

Total Number of Questions


Types of Question

Multiple Choice Question (MCQs).

Language/ Medium of Paper

English & Hindi (choose while doing the registration).


Equivalent to the senior secondary level of CBSE.

Note: 3 marks are provided for correct answer and (-1) marks for incorrect answers.

Q2. How to Prepare for NSEB 2020?

Answer: Some of the important tips are listed below along with subject wise preparation tips listed below:

  • Students should complete the entire syllabus without skipping any topic before the NSEB exams, to be held in November.

  • Make a study schedule and keep a sufficient time slot for each topic. Focus on each topic with equal seriousness so that you get good overall marks.

  • Make short notes or flashcards of important topics. This makes the revision easier and faster.

  • Seek expert guidance wherever required.

Q3. What are the Different Stages of the Biology Olympiad Program?


The following are the 5 stages of the Biology Olympiad program; they are as follows :

Stage 1: National Standard Examination in Biology (NSEB).

Stage 2: Indian National Biology Olympiad (INBO). 

Stage 3: Orientation cum Selection Camp (OCSC).

Stage 4: Pre-departure Training Camp (PDT).

Stage 5: Participation in International Biology Olympiad (IBO).

Q4. What is the Benefit of Solving Sample Papers for NSEB?

Answer: There are several benefits to solving NSEB sample papers. A few benefits of NSEB sample papers 2020 are given below:

  • Students can get an idea about the paper pattern and difficulty level of the NSEB.

  • These sample papers that cover almost all the important topics. Hence, solving the last year's sample papers makes you aware of all the possible questions and fetches good scores.

  • With the practice of NSEB sample papers, students will be able to identify their weak areas and work on the same.

  • Students can also learn time management while solving the question papers with the help of NSEB sample papers 2020.

  • The NSEB sample papers 2020 are available free to download.