GSEB 12th Science Exam Official Answer Key Download by Chetan LakheraGSEB ยป Answer KeyGSEB 12th Science March April 2022 Exam Official Answer Key Download. GSEB Board has released the class 12 official answer key of the board 2022 exam in Gujarati and English Medium. 12th Official Answer Key (Final) 12th Official Answer Key (Provisional) Also Share It With Your Friends :)