B.Sc

Yes, you can do as you have already done Bachelors. But, I would recommend you to go through the regular mode, instead of distance one.

You can either go for a Masters in MBA or in M.Sc itself. It is your own choice.

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Admission to B.Sc. Biotechnology is entrance exam based. AIIMS Biotechnology entrance test, DU entrance test are some such entrance exams conducted for admission to the course. Jan 10, 2019
Admission Process: Counseling after taking en. Course level: Undergraduate
Course Fee: INR 2 Lac to 3 Lacs
Eligibility: 10th & 12th from a recognised Board.

They can work with government hospitals, government health department, institutes, factories and office cafeterias for planning nutritional regiment and can also work for sports hostels. Employment opportunities are also open to them in catering department of star hotels and restaurants.

For detailed information, you can see the below link:
https://www.shiksha.com/teaching-education/course/b-ed-course-annamalai-university-distance-education-Tamil-Nadu-Tamil-Nadu-other-68301

Yes, you can do for that make sure in any college you want to go, you just clear the entrance that's it.

University of Agricultural and Horticultural Sciences, [UAHS] Bangalore. Rai Technology University, [RTU] Bangalore. Degree: Bachelor of Science [B.Sc] (Agriculture)
University of Agricultural Sciences, [UAS] Bangalore. Degree: Bachelor of Science [B.Sc] (Agriculture). B.Sc. Sc.

These exams requirement is graduation so choose discipline whichever you are interested in, it won't make any difference.

Yes you are eligible to take admission in B.Tech courses through UPSEE. The eligibility criteria is given below. Eligibility criteria :- Candidate must have passed the qualifying exam with minimum 45% marks (40% marks for SC/ST Category) in aggregate in three subjects. Also, qualifying exam should be passed without grace marks. Qualifying Exam and Marks:- Candidates must have passed 10+2 examination from UP Board or equivalent to be eligible for UPSEE 2020.

Yes, you can do M.Sc. In Electronics and Instrumentation with specialisation in Robotics from a reputed IIT or NIT after clearing IIT JAM exam with a good score.