T.R. It is the official Mobile Question Bank application prepared by the Ministry of National Education General Directorate of Secondary Education. Mobile Question Bank online and online with a total of 14130 questions covering all units (200 units) of Turkish Language and Literature, History, Geography, Philosophy Group, Mathematics, Physics, Chemistry, Biology and English at the 9th, 10th, 11th and 12th grade levels. It is open to all teachers and students.