Class 12-science

For joining Indian Navy you can apply for various entries such as:
NDA (after class 12)
UES
10+2 B.Tech entry (through JEE Mains score)
NCC Special Entry
SSC entry

You can apply for NDA exam which is conducted twice a year for Navy. You can apply for Navy 10+2 B.Tech entry scheme.

Yes, you are eligible since the minimum percentage required to get admission in agriculture is about 50-60%. It varies from college to college. You can check for the college you want to take admission in.

You can consider following courses:
MBBS
BAMS
BHMS
BDS
B.Sc

You have to pass B.Sc. Biotechnolgy. Then, you can do M.Sc in genetics or you can do embryology course.

You have to try to pass out subject. Then if u r really interested in Science you have to do B.Sc. Or if you are not interested to pass out. You have to select Diploma engineering after 10th. Your career will built on your skill.

Hello,
Yes, Indeed, you can pursue mass comm. It will be very different from what you have studied earlier but it is a nice field if you are expressive and extrovert.
All the best.

Hello,
Both the options are good. You must choose according to your interest. Since you had Science in 10+2, I would advice you to go for B.Sc. Than B.A. Rest depends on your interest.
All the best.

Hi, choosing career is a big decision as it means your future. Being confused wouldn't get you to a solution. Start searching for your interests, what you like, which subjects you like more. If you want to go ahead for engineering or medical, start preparing for entrance exams. If you want to pursue B.Sc. check which all fields are there. But, more importantly focus on your class 12th, as the marks scored here are going to take you ahead. All the best.

BBA B.Tech in AG, ECE, Marine Technology and Mechatronics, BMS, B.Sc AG and B. Des are some of the popular courses. You can also do Diplomas in various fields.