The Indian National Junior Science Olympiad stands tall as the epitome of excellence in the scientific field, with a soul of curiosity in young minds all over India. It is one of the most elite science competitions at the national level, providing a platform for budding scientists to demonstrate their intellect and step into scientific discovery.
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INJSO is an annual science Olympiad that is conducted by HBCSE, a world-renowned science education, learning and research centre. INJSO is a multi-stage contest that tests the understanding of simple scientific principles by students in all possible areas of study: Physics, Maths, Biology, and Earth Science.
Host | Homi Bhabha Centre for Science Education |
Examination | (INJSO) Indian National Junior Science Olympiad 2025 |
Registration Dates | No Separate Registration |
INJSO 2025 Exam Date | 03rd Feb 2025 |
Application Fee | Rs. 300/- |
Application Mode | Online |
The INJSO typically comes in a multi-step form:
List of Centers for INJSO Exam | Ahmedabad Bengaluru Ranchi Bhopal Bhubaneshwar Chandigarh Chennai Delhi Guwahati Hyderabad Mumbai Jaipur Kochi Kolkata Kota Lucknow Nagpur Patna |
Here is the Exam Pattern for Upcoming INJSO:
Duration of INJSO | 3 Hrs |
Syllabus | Follows NCERT Syllabus(Class 9 and 10 and also Higher Classes topics too) |
Language | English & Hindi, Can be Choose During Registration |
Number of Questions | 35 |
A student must meet the following criteria to be eligible for the INJSO.
The INJSO exam normally consists of two sections they are as follows:
Section 1- Consists 15 MCQs. The right answer will award with three marks, whereas the wrong answer will give you a negative mark (-1).
Section 2—Consists of 9 questions, each carry 5 Marks, and it does not contain any negative marking.
Section 3- Consists of 11 question’s
The INJSO syllabus generally follows the NCERT Syllabus for classes 9 and 10, and also includes higher-level questions too, The subject areas are:
Subject | Topics |
Physics |
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Mathematics |
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Chemistry |
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Biology |
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The registration process for INJSO generally involves the following steps:
Participating in the INJSO has many advantages for young students:
Preparing for the INJSO requires hard work and a strong foundation in science. Here are a few tips for an aspiring INJSO contestant.
The Indian National Junior Science Olympiad emanates from the fact that the Indian youth can accomplish much. It fosters scientific excellence and sets afresh a new age of scientists studying the universe's wonders and advancing human knowledge. As such, it promotes young talent and, through that, promotes scientific culture building. INJSO has very key roles to play for India in the field of science and technology.
Olympiad Exams |
Subject-wise Olympiad Exams |
National Olympiads |
International Olympiads |
Students must be below 16 years of age on January 1 of the exam year and be studying in class 10 or below as of November 30 of the exam year. Students need to have secured at least 60% marks in Class IX and the current academic year up to the end of the first semester. Indian students must not have previously participated in the International Junior Science Olympiad (IJSO) or undergone higher-level science training programs.
The exam typically consists of multiple-choice questions (MCQs), numerical problems, and theoretical questions requiring detailed explanations. The syllabus covers many Physics, Chemistry, Biology. The exam is conducted in English and Hindi.
1. Build a strong foundation in fundamental scientific concepts by thoroughly studying NCERT textbooks and other relevant resources. 2. Solve various challenging problems regularly to improve problem-solving skills and speed. 3. Focus on understanding the underlying concepts rather than memorizing facts. 4. Seek guidance from experienced teachers or mentors or join study groups for peer learning and discussion.
1. Students can develop critical thinking and problem-solving skills. 2. Increased Confidence: Boosts confidence and self-esteem. 3. Exposure to Science: Provides exposure to scientific research and innovation. 4. International Recognition: Offers opportunities for international recognition and future academic pursuits.
(Session 2025 - 26)