Onion cells under a microscopeOLYMPIADS / YOUR NEXT CHAPTER
NSEB — National Standard Examination in Biology
Look closer. Life has more to tell.
Explore cells, living systems and the biological world through the biology olympiad pathway.
A real micrograph illustrating cell biology, not an exam venue.
Photo: kaibara87 · CC BY 2.0 · Displayed with responsive cropping.UNDERSTAND THE BIGGER PICTURE
Your pathway, at a glance.
First stage of the Biology Olympiad pathway leading to INBO and the International Biology Olympiad selection.
Know the requirements
Check the eligibility and exam-cycle information published by the conducting body.
Build your preparation
Use the official syllabus and paper pattern to guide your study plan.
Explore what follows
Biology olympiad progression. Selection depends on the applicable programme rules.
ELIGIBILITY
Who can take this exam?
Eligibility
Open to students enrolled in Class 11 or 12 (or equivalent) at a school affiliated for IAPT Olympiad registration; exact class/age windows are set by IAPT each cycle.
Academic requirements
A solid Class 11-12 biology foundation beyond routine board-exam depth.
APPLICATION
Make your application count.
Application process
Registration is done through schools affiliated with the Indian Association of Physics Teachers (IAPT), the exam's conducting body.
PATTERN
Know what you are preparing for.
Exam pattern
An objective paper covering biology concepts beyond the standard school curriculum — the first stage of the Biology Olympiad pathway toward INBO.
SYLLABUS
Build your subject foundation.
Syllabus
Class 11-12 biology treated with greater conceptual depth and problem-solving rigor than board-exam level.
PREPARATION
Prepare with a sense of direction.
Preparation strategy
Build depth beyond NCERT/board-level biology using standard Olympiad-prep texts, and solve past NSEB papers with a focus on conceptual understanding over rote recall.
CHECK THE ORIGINAL SOURCE
Dates, notices & documents.
- NSEB 2026 Exam DateCycle: 2026-272026-11-22


