is it necessary that we must take computer science in XI for comp. science engineering?

Question : is it necessary that we must take computer science in XI for comp. science engineering?

Answer 1: It totally depends on the University & the country you have chosen to study Degree in Computer Science Engineering .There are various conversion courses where an non computer science background student can opt for Computer Science degree.

Question : is it necessary that we must take biotech in XI for biotech engineering?

Answer 1: For bachelors of Biotech Engineering you need to have Biology in your Class 11th & 12th.