NSEB Exam Date 2025 Out, Exam Schedule And Admit Card Release Date

NSEB Exam Date 2025 Out: The much-awaited NSEB Exam Date 2025 has been announced for the students who have completed the registration process for the NSEB Exam 2025, which is the first stage of the International Biology Olympiad.

NSEB Exam 2025 will be conducted on November 23, 2025 (Sunday) between 2:30 am to 4:30 am. The National Standard Examination in Biology (NSEB) 2025 is held for students of Classes 11 and 12. The NSEB Admit Card 2025 will be released about 15 days before the exam date for candidates who have successfully registered for the Biology Olympiad.

This exam is organized by the Indian Association of Physics Teachers (IAPT) in partnership with the Homi Bhabha Centre for Science Education and will be conducted at various exam centers across the country.

NSEB Exam Date 2025 Out

The National Standard Examination in Biology (NSEB) is conducted by the Indian Association of Physics Teachers (IAPT) in collaboration with the Homi Bhabha Centre for Science Education. It is a two-hour written test consisting of 60 multiple-choice questions.

As per the official schedule, the NSEB 2025 will be held on November 23, 2025 from 2:30 PM to 4:30 PM. Each year, around 20,000 to 60,000 students from Classes 11 and 12 participate in this exam. Based on their performance, candidates are shortlisted for the Indian National Biology Olympiad (INBO).

The NSEB is designed for students who have a keen interest in Biology and love solving challenging questions. It not only tests their knowledge at the regional level but also prepares them for international competitions, offering them a platform to showcase their skills and passion for the subject.

Check: How to Prepare for NSEB?

NSEB Biology Olympiad Date 2025

The National Standard Examination in Biology (NSEB) 2025 is tentatively scheduled to be held on November 23, 2025 from 2:30 PM to 4:30 PM. Registration for NSEB 2025 begins on August 21, 2025, and the NSEB Registration Last Date is September 14, 2025.

 Keep all the NSEB 2025 Important Dates in mind. Here we have provided the essential details of the NSEB Biology Olympiad Date 2025 for the students who are willing to appear for the exam.

NSEB Exam Pattern 2025

To succeed in the NSEB Examination 2025, students must first understand the exam pattern clearly. Before beginning their preparation, it’s important to go through the structure of the paper.

As per the NSEB Exam Pattern 2025, the paper includes:

• 48 multiple-choice questions with only one correct answer — each correct answer carries +3 marks, while each wrong answer results in a -1 mark deduction.
  
  

• 12 multiple-choice questions that may have one or more correct answers — to earn marks for these, students must select all the correct options without choosing any incorrect ones.
  
  

NSEB Syllabus 2025

The NSEB Syllabus 2025 follows the CBSE syllabus for Class 11 and 12 and the details are discussed here.

NSEB Admit Card 2025

The NSEB Admit Card 2025 will be released by the Indian Association of Physics Teachers (IAPT) in collaboration with the Homi Bhabha Centre for Science Education around 15 days before the exam date. Only candidates who have successfully registered for the National Standard Examination in Biology (NSEB) will be able to download their admit cards from the official website.

This hall ticket is a mandatory document for appearing in the exam, and without it, students will not be allowed inside the examination hall.

NSEB Previous Year Question Paper

NSEB previous years’ question papers are a great way for students to practice managing their time and get a clear idea of how tough the actual exam questions can be. Going through these papers helps them understand the exam pattern and prepare more effectively.

Students can download past NSEB papers from its official website and use them for practice. These papers, along with their answer keys, are also available through the link below for quick access in PDF format.

NSEB Previous Year Question Papers

NSEB Exam Preparation Tips

Here are the preparation tips for the NSEB Examination 2025

• Understand the exam: There are multiple choice questions in NSEB Exam, and data analysis. A wide range of subjects are required, with the free response section being the most difficult and there is a slight change in the Exam Pattern on annual basis.

• Start early: It will take a lot of time to learn, comprehend, and revise material covering so many topics. Make sure that you start well in time. An average of 2-4 hours of study time per day should be sufficient for you if you have six months to spare.

• Stay up to date with sites: In order to stay informed about the most recent developments and modifications to examination procedures, you must thoroughly review the sites. The most significant websites are the IAPT (Indian Association of Physics Teachers) site and the Homi Bhabha Center for Science Education website.

• Practice Diagrams well: Diagrams tend to take a lot of time.  Be sure to practice them so well that you do not have to think too much in the examination.

• Know your reference books: A comprehensive list of reference books necessary for your preparation is given on the HBCSE site. Be sure to go through them well.

• Study your environment: Biology is the science of life, and you are surrounded by life. When you start thinking about the application of Biology to daily life, you get an entirely different perspective.