Science

For CA, there are no colleges.
You need to prepare for it from coaching and material provided by ICAI.

Yes, you can pursue CA. Your percentage doesn't matter here.
You just need to clear every exam, and you will be awarded CA Certificate.

The minimum percentage required to get an admission in St. Xavier's College is 45% of marks in the compulsory subjects of your 12th standard from a recognized board. If you are having less than 45% marks in your 12th standard, your application will be rejected and you are not eligible to get admission.

The list of Private Nursing Colleges in Lucknow, Uttar Pradesh is given below-
AKG Institute of Nursing
Atal Bihar Vajpayee Medical University (ABVMU)
Avadh Institute of Medical Technology and Hospital Medical Institute - AIMTH
Bhartiya Shiksha Parishad - BSP
Charak Institute of Paramedical and Health Sciences - CIPHS
CRS Educational Group of College
Era University - EU
GSRM Memorial College of Nursing
Thank you.

Check the following link for more information - https://www.shiksha.com/university/christ-university-bangalore-421
You can also visit their official website to get more information regarding the college

Master of Science (M.Sc. ) (Part -Time) at Naranlala College of Professional and Applied Science, Navsari such as cutoff, placements. Please visit the link: https://www.shiksha.com/college/naranlala-college-of-professional-and-applied-science-navsari-202367/course-master-of-science-m-sc-part-time-965825

Click this link for all the information:-
https://www.shiksha.com/nursing/colleges/colleges-midnapore

B.Sc. (Biotechnology, Chemistry, Zoology) amount Carmel College, Palace Road, Bangalore; Duration. 3 years (Full Time); Course Level. UG Degree; Total Fees.
Please visit the link: https://www.shiksha.com/college/mount-carmel-college-palace-road-bangalore-24896/course-b-sc-biotechnology-chemistry-zoology-247369

After B.Sc, if you want you can pursue MBA. If you do not want to pursue MBA, you can also opt for B.Ed, there are a lot of options in Gramine Vibhag.

Bangalore University Cutoffs for 2021, 2020, 2019, and the latest Cutoff trends for various courses.
Please visit the link: https://www.shiksha.com/university/bangalore-university-3701/cutoff