El Bouab, WahibaHaddou, Khayra2016-09-282016-09-282016-09-28https://dspace.univ-tlemcen.dz/handle/112/8994This present work is intended to analysis the Arabic,French a code switchingsituation, in the case of biology department in TlemcenUniversity.This scope aims to seek factors or reasons inside department between Arabic and French and to explore one aspect of the sociolinguistics phenomena of language, such as bilingualism, codemixing,and borrowing and especially Code switching. This modest work aims to examine the sociolinguistics situation in Algeria, which is well known by its sociolinguistic outcomes : Bilingualism, Diglossia,Borrowing,Codeswitching.All that make master one Biology students switch between Arabic and French, we will use questionnaire and interview.The general findings of the sociolinguistic investigation will be given in the general conclusion ...enArabic- French -code switching among- biology studentsThesis