Science

Yes, it is a good choice, career options in these fields are growing exponentially. You can also do MCA after doing BCA.

Go through the following link:
https://googleweblight.com/i?u=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&hl=en-IN

Chemistry, Biology-I (Introduction to Biology), Mathematics and Statistics Paper, Technical writing and Communication in English, Chemistry -II, Biology-II, Food, Nutrition and Health, Technical writing and Communication in English / Computational skills, Chemistry -III, Biodiversity-I Microbes, Bio

Yes, you can. I myself had this combination of subjects in my 11th and 12th. I have completed my Bachelors in microbiology from Calcutta University and am now pursuing my masters in the same from BHU. Just make sure that you score well in order to get yourself enrolled in a prestigious institution.

There is an entrance test for admission to B.Sc agriculture programme. Students securing the top marks are admitted. If 80 students are to be admitted, top 80 will get admission.

I don’t have any sort of idea regarding OBC rank. I am attaching the link which will help you very much.
https://wbjeeb.nic.in/wbjeebcouns/orcr/PrevYearORCR.aspx

You can contact the admissions office regarding your query. They will help you to solve your problem.

Yes, you can admission with 70%. From year 2017 Panjab University is organising centralized counseling for all of its courses in the affiliated colleges. However, this isn't the case for B.A
Admission for BA in DAV will be tough with 51% marks however it depends on many factors. If you belong to Chan

Hard facts –
Nautical science - It has the potential to deliver good careers.
Other than all the glittery and glory stuff mention along with it. Truth is it works only if you get your first break spot on eg. You get to complete cadetship without delay. For me to complete 18 months sea time it took 5 y