The main concern of this paper is to investigate the syntax of Wh-questions in Standard Arabic (SA). This investigation will be conducted within the latest framework envisaged by Chomsky (1998, 1999, 2001, 2005, and 2006). Chomsky’s latest version has been termed a phase-based theory of syntax. As far as I know SA Wh-questions have not been analyzed within this framework. I think it is worth the trouble knowing if recent developments in the syntactic theory are applicable to a non-Indo-European language such as SA. As is well known there is scarcity of studies on SA in this modern line of research. If SA along with other languages can be handled within the phase-based theory of syntax, this will provide a cross-linguistic evidence for the universality of this theory; if not, further research needs to be conducted before reaching any definitive conclusions.