No that is not a compulsory option to get admission in BSc courses. As most of the colleges give admission to BSc courses on the basis of 12th standard result and if you are qualifying the given cutoff of the respective college then you are eligible and can take admission in it. Although some colleges do prefer GUJCET cutoff so if you want to take admission in those then it is necessary to appear for the exam. IT solely depends on which college you choose.
Hope it helps.
to pursue your degree in BSc. Computer Science it is not compulsory for you to attempt GUJCET Examination. Admission for BSc. Computer Science will be done based on your 12th standard marks or its equivalent form. However, do keep in mind that some colleges may have their own entrance examination.
No, it not at all necessary because all states are to be appeared only after completing graduation and holding a professional degree of either DElED( btc) or B.Ed from an institution .
So just focus in on your Boards.
All The Best.