B.Sc

Go through the syllabus of class 11th & 12th.

Of course yes, you will get selected in B.Sc. agriculture government colleges.

You can join but usually, admission to this course is based on the 12th pass. You can visit the institute and have a word in the admission office if they will grant you admission based on your graduation.

Yes, you may pursue B.Sc. In nutrition and dietetics at CU. The vacant seats can only be confirmed by the university.

Candidates wishing to apply for the course need to have passed their Higher Secondary Certificate in Arts, preferably with fashion design as one of their subjects.
After application, some colleges/institutes may hold an entrance test followed by an interview to judge the eligibility of the candidate for the course.

Hi,
Admission is based on the marks obtained in 10+2/equivalent exam. Interested candidates can apply online with the required information.
https://www.shiksha.com/science/course/b-sc-hons-in-food-and-nutrition-vidyasagar-college-ug-campus-amherst-street-kolkata-266414
All the Best!

Dear Naresh!
As far as validity is concerned, if your degree is from UGC Approved university and the courses are AICTE approved. You are eligible to go for abroad. Hope this helps.
Good Luck.

Candidate should have passed 10+2 with a relevant stream. Mandatory subjects: Physics, Chemistry and Biology as a compulsory subject from a recognized board of education to take admission in the program.
Admission is based on merit based on marks obtained in class 12th.
https://www.shiksha.com/science/course/b-sc-hons-physics-ramakrishna-mission-residential-college-narendrapur-kolkata-87611

Your percentage in 12th?
Admission is based on the aggregate marks in 10+2 and individual marks in concerned subjects.
Selection parameters and weightages will be as follows:
10+2 marks- 60% aggregate and 40% of (Maths & Physics taken together)
Please check the given link:
https://www.shiksha.com/science/course/b-sc-hons-in-physics-the-heritage-college-kolkata-282260