Ans: The full form of NSEC is the National Standard Examination in Chemistry. National Standard Examination (NSE) is being conducted by the IAPT in Physics, Chemistry, Biology, Astronomy and Junior Science. This is the first stage required to appear for the international Olympiad. All further stages are being conducted by the Homi Bhabha Centre particularly for the Science Education (HBCSE), Mumbai. Students should be cautious while taking the first stage because it is only based on this performance that he/she gets to qualify for the next. Therefore, all preparation should be made well in advance and clarify all doubts related to the same.