Hello Aspirant,

Medical college admission test or MCAT is an examination for medical admission in United States, Canada,  , Australia.

Entrance test is for prospective MD students who want to pursue medical education in aforementioned countries. It is computer based exam  (CBT). Duration for this exam is 7 hours and 30 minutes.

It's Score is valid upto 3 years and in some countries its 2 years. In 2019, Eighteen countries conducted this exam.

For further Information you can go through this link once:-

https://studyabroad.careers360.com/exams/mcat

Hope this helps:)