Science

You can need to score more than 80% in order to take admission conveniently.

Yes, you are eligible to take admission in this college.

Kindly visit this link:
https://www.shiksha.com/science/course/b-sc-in-zoology-fergusson-college-fc-pune-fergusson-college-road-109830

To do D.Pharm, you should clear your class 12th and mandatory subjects are Physics, Chemistry, English, and Biology/Mathematics.
Admissions are done through Centralized Admission Process counselling based on the marks obtained in 10+2 examination.

The fee would be around INR 7000, one time payable.

If you want to go for M.Sc in microbiology or molecular biology then go for B.Sc in zoology rather botany because in microbiology and molecular biology as there is a great scope.

Yes, there is no gender issue in getting a government job for males in the nursing field. I have done B.Sc (Hons) in nursing, I did my practicals at Safdarjung Hospital. There we worked under the guidance of male staff too who worked there as a government employee. So, yes go for it. You will get a

No, you can't. You can only pursue one course at a time.