Science

Different schools have different criteria if you want to apply for Science in class 11th. You should know the minimum eligibility criteria for the particular school in which you want to apply.

RIMT University in Punjab is best for culinary arts course. You can do a 2-year Diploma course from RIMT University. http://rimt.ac.in/diploma-culinary-arts.php.

Engage is a good book, but go for books like engage only after you are completed with your study material. Don't be limited to these books, keep them secondary. After you have completed your course and your mock test etc., then for extra practice, you can refer them.

Yes, you are eligible for BBA, as Science is the open field and after intermediate, you can opt for another undergraduate stream.

Definitely, it has good scope,
Once liking make the subject interesting, if you have passion for Genomics, it will be interesting subject for you, if not, then you will find it difficult.

This is the age of data science, big data, machine learning and you name it all. But after mechanical engineering, the choice is a little uncommon. You must have a knack for numbers. You must also justify your choice to the universities as to why this course. Apart from this you must have a brillian

Maths is a must need for every IT courses. You should have pursued mathematics in high school in order to be eligible for admission into B.Tech but in BCA you can get admission even without maths in +2. If you are weak then I highly recommended you to start studying maths and put in extra effort in

Of course, a science student can pursue BCA. The general eligibility criteria for getting admission into BCA is 45% in +2, and you should have mathematics in high school so that it will be easier for you to study programming, if you don't have mathematics then it will be a little difficult for you.