Hii!
The best course for you depends on your interest. Every course and specialisation has its own importance. The courses, which you can opt for under MSc life sciences are-
* MSc biostatistics
* MSc advanced plant technology or MSc biotechnology
* Msc advanced zoology
* MSc medical genetics and genomics
Etc.,
All these fields provide a promising career. There are many other fields too, for you to choose.
Hope this helps.
Good luck!