As you have asked about the total marks in Goa Common Entrance Test (GCET), I am giving you information about it, check below for the details

The exam will consist of four papers as
Physics,
Mathematics,
Chemistry and
Biology
Each paper will consist of 75 (Seventy Five) questions to be answered in two hours (One hundred & twenty minutes)

Each question shall have four choices for answers, out of which only one shall be correct
Correct answer shall carry one mark for each question.
There will be no negative marking for wrong/multiple answers
The examination will be in English language only
The questions will be composed from the 11th & 12th syllabus prescribed by the Goa Board of Secondary and Higher Secondary Education

Important Dates:
Schedule for the Goa CET 2016 is given below.
Event Dates
Start of receiving forms for GCET 28 Mar 2016
Last date for receiving applications and issue of admit cards 02 Apr 2016
Last date for receiving applications and issue of admit card
(with additional late fees of Rs. 1000/-) 29 Apr 2016
Date of GCET 10 May & 11 May 2016
Expected date of result of GCET 18 May 2016