B.Sc

It is not a tough course. There is only simple elementary mathematics course. In degree mathematics just for knowledge but in degree food science and technology focusable area. If we have little knowledge of elementary mathematics like statistics, then we can easily pass the course.
Secondary subjects include Food Microbiology, Sanitation & Hygiene, Preparation & Packaging Materials, Food Analysis Adulteration & Testing, Food Toxicology, Biochemistry, Biology, Chemistry, Physics, and Math.

This would depend on your interest areas and career aspirations. In case you intend to pursue a career in Technical / Research / Academics area then MCA/ M.Sc/ Data Analytics is better. However, if you want to move into general management the MBA is better.

Yes, institutes both private and public sector offer this degree. B.Sc. Math Honours is a 3-year graduate degree programme, the minimum eligibility is the 12th class from a recognised school board or its equivalent exam. Interested candidates can get admission in the course on the basis of candidate's performance in a relevant entrance exam, and subsequent round of counseling. Name of some institutes are-Jawaharlal Nehru Rajkeeya Mahavidyalaya, Port BlairJawaharlal Nehru College, East SiangRamjas College, New DelhiIndraprastha College for Women, DelhiHans Raj College, New Delhi.

Hi Adil,
Yes, you can do M.Sc. From IIT JAM or JNU by giving their entrance exam. Good luck.

In most of colleges, the B.Tech admission are based on JEE Main or own entrance test ranking. While B.Sc. Admission are purely based on 12th marks.

Hi,
Admission in the above course is based on the marks obtained in 10+2.
https://www.shiksha.com/hospitality-travel/culinary-arts/course/b-sc-in-culinary-studies-school-of-hospitality-and-tourism-studies-d-y-patil-university-navi-mumbai-248385

Biotechnology has better scope outside India. So, if you have interest in this principle rather do it from somewhere other than India (do research about it, if you're choosing a country). And you can be a Professor if you want to, by doing M.Sc. Ph.D. in zoology (for zoology).

The cut-off ranged from 85% to 90% depending on the courses you want.

There are alot of colleges conducting post basic B.Sc. Nursing in india. Please click below more information. https://bit.ly/2Ozocqi.

Hi Gautam!
You can refer https://www.shiksha.com/science/articles/top-bsc-msc-entrance-exams-in-india-blogId-13484.