B.Sc Scope

You have some good options
You can take admission in M.Sc Biochemistry if you still find it interesting. After Your M.Sc you would be able to apply for NET and GATE. which would enable you for JRF. You can also get a good placement opportunity after your M.Sc degree in some popular universities like VIT, Lovely Professional University, MU etc.
If you are not interested in MSC you can directly go for MBA. And have a rewarding career after it.
If you want to take a job right away ,You may prepare for government jobs like SSC, BANK PO, CDS, etc. Else you can apply fro various assistant ship/Openings based on your degree at present. You would find details at bioteknika.
In my suggestion If you have a choice you should go for a masters of your choice in some reputed colleges.

After B.Sc in Flights and Aircraft maintenance, a world of opportunities waits for the candidate. People who have done this course can find employment in various aviation and aeronautical industries. This course deals primarily with three broad disciplines. The first one is Aviation industry. The second one is Space exploration and the third one is Defense systems. B.Sc in Flights and Aircraft maintenance will equip a person in the designing, construction, testing, operation, development and maintenance of commercial passenger jets as well as military Aircrafts. Apart from this, a person can also design spacecrafts, satellites and missiles.
Eligibility requirement for B.Sc in Flights and Aircraft maintenance
For admission into this field, a person should have studied Physics, chemistry and Mathematics at the 10+2 level, with at least 50% marks in 10+2. This course is not available in every university. Only some universities/colleges conduct this course. Candidates have to clear a written examination for admission. The school or the board has to be recognized by the government.