CBSE Class xii stream is provided on two major grounds : 

On the basis of student form selection in class X and pre board marks

On the basis of marks scored in class X board  

Since science is considered as a premium stream of subject,to avoid cluttering of students high score scored in class X board is taken as basic criteria.

Based on this premise it is clear that science stream students form popular base in CBSE mode of education.

Now coming to various career options for science stream in 2025 .

Aero space and aeronautics 

Bachelor of architecture Or B.Arch 

Bachelor in design architecture 

Bachelor in environmental science and climate change 

Bachelor of Pharmacy or B.Pharma 

MBBS or medical science 

Paramedical & health care 

Bachelor of physiotherapy 

Bachelor in biotechnology 

Bachelor in Forensic science 

Apart from the above career in academics and research sector also exists for core subjects like  Mathematics , Physics , Chemistry , Biological science Botany , Zoology , Geology ,Anthropology etc 

Tech and Engineering sector options include: 

 Btech in  Computer science 

B.tech in Mechanical engineering 

B.tech in Civil engineering 

B tech in Cyber security 

B tech in machine learning 

B.tech in Artificial intelligence 

B.tech in Automobile engineering 

All in all students of science stream get lot of career options to choose from . Twenty first century skills career is awaiting for you all .

Go grab it.