Hi dear

Various entrance exams that could be given after 12th Science stream are -

1. NEET Entrance Exam for Medical field - MBBS, BDS, BAMS, BHMS.

2. Government exams such as - SSC, UPSC.

3. Raliways entrance exams

4. Banking Entrance

5. CLAT for law entrance

If you have taken science stream with maths, then following exams -

1. JEE Entrance

2. JEE Advanced

3. BITSAT

4. Marine

5. Navy, Defense

If you are interested in fashion and designing -

1. NIFT

All the best dear :)