My subjects are biological science, nutrition, computer application, geography so can I get BCA

Courses you can opt after your HS with the provided subject combination are:

• BSc in Biology subjects such as BSc Zoology, Botany, Nutrition, Microbiology, Biochemistry etc.
• Bachelor of Computer Application
• BA LLB or BBA LLB or BSc LLB course
• Diploma in Engineering courses (on the basis of 10 score)

For more course after 12th consider the link below:

https://school.careers360.com/articles/courses-after-12th

I hope this helps. Wish you a great eve!