INBO Exam Date

Students in Classes 11 and 12 compete in the Indian National Biology Olympiad (INBO). It is a national-level test and the second stage of the Homi Bhabha Centre for Science Education’s (HBCSE) Biology Olympiad Programme. It is held in over 15 locations across India, and it attracts a significant number of students each year.

HBCSE follows the Association of Teachers in Biological Sciences and the Indian Association of Physics Teachers in conducting the Indian National Biology Olympiad (INBO). INBO 2022-23, on the other hand, is expected to start in January 2022. Candidates can check the HBCSE’s official website for updates on INBO exam dates.

INBO Examination Dates

The INBO examination has been postponed due to the pandemic.

INBO Exam Pattern

The new exam structure will consolidate the INBO/first IOQA’s two phases into a single stage known as the Indian National Olympiad (IOQA).

According to the IAPT, each exam will consist of a single examination with two parts that will be taken in one sitting.


This part is known as NSE (National Standard examination).

Duration: 75 minutes

Question Type: Objective-type questions to be answered on an OMR sheet.


This part is known as INO (Indian National Olympiad).

Duration: 120 minutes

Question Type: Students are asked to write a detailed answer on an answer booklet.

INBO Eligibility Requirements

Candidates who wish to take the INBO 2022-23 exam must meet the following eligibility requirements. Otherwise, they will be automatically exempted from the exam.

  • They must be an Indian citizen with proof of citizenship.
  • They should be attending an Indian school.
  • They must be in Class 12 and have completed the National Standard Examination in Biology (NSEB).
  • Students in Class 11 will be considered eligible if they pass the NSEB exam with the required cutoffs.

How to Register for the INBO Exam

  • A student can enrol in INBO at their school if it is a recognised INBO centre. The principal would be the point of contact in this case.
  • Even if a student’s school is not an INBO registered centre, they can still participate in INBO by registering at a nearby centre. A list of registration centres will be available on the IAPT website.
  • The in-charge INBO registration centre would be paid Rs. 150 per student for each topic.
  • Students registering from states other than their schools must email [email protected] a scanned copy of their INBO admittance card and their school ID, or they will be refused.

Frequently Asked Questions on INBO Exam Date

How many people are chosen for the Biology Orientation Cum Selection Camp (OCSC)?

Only 250 qualified applicants are chosen for the next step, the OCSC, out of all the candidates who appear at the INBO stage. Candidates must pass a theoretical and practical examination that assesses their basic biology knowledge at this course. Only one team of four to six candidates, two lead teachers, and a scientific instructor is chosen for the PDT camp out of the 250 applicants.

How many questions are asked in total in INBO?

There are two portions to the INBO question paper, and the exam is worth 100 points. Section A has 28 questions worth 1 mark each, and section B has 27 questions worth 72 points. Each incorrect response receives a negative score.

How do the previous years’ papers assist INBO participants?

The Homi Bhabha Centre for Science Examination (HBCSE) holds a national-level test to select competitors for the International Biology Olympiad. INBO is a highly competitive exam that draws students from all around the United States. As a result, understanding the INBO question paper design and mark distribution is essential.

Are IBO and INBO the same exam?

No, the IBO stands for the International Biology Olympiad, whereas the INBO stands for the Indian National Biology Olympiad. The INBO is the second stage of the Biology Olympiad Programme, which selects candidates for the International Biology Olympiad (IBO). Candidates who do not pass the INBO examination are not eligible to take the IBO exam.

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