Science

Don't look at the college. Strive for the course you want to take. There is no mention of the name of the college in your degree.

You can appear for improvement exam from the same board and score better next time to qualify for CPL Training.

Hello, I would suggest you to prepare for JAM Exam by yourself. This will save lots of you time and money which you will be spending in the coaching classes. JAM exam is tough. But if you prepare well then, you can easily crack the exam. IIT JAM 2019 Exam will be conducted in the month of February 2

If you are from OBC or SC/ST, then I think you should immediately check cut off lists, but if you belong to general category, then you may not get admission, because cut offs for general are usually above 90.

You have already completed the minimum educational qualification for pursuing CPL training in India. Do verify that you had PCM in class 12th and scored at least 50% marks in the same. You can directly approach to flying school if you wish to do it from some private flying school. For IGRUA and NFTI

Get all the required information from below link:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://ask.shiksha.com/can-i-go-for-agriculture-after-doing-12th-from-pcm-group-qna-3688638&ved=2ahUKEwiu5pTJsajcAhVHRY8KHV5hC-UQFjABegQIARAB&usg=AOvVaw12wsUeDUpnmob7Ccj07xjP.

Yes, you will get a seat, but you need to have all your certificates.

For M.Sc zoology, you should have done your graduation in zoology. You will have to give entrance exams for taking admission in any college for completing your Masters. Check the dates or the entrance exam and the eligibility along with the syllabus and start your preparations accordingly.