hello aspirant...

hope you are doing good.

your question is whether language section is compulsory in entrance exam but you did not mention any specific entrance exam. but looking at your student profile... you are a science aspirant... so the main exam for science is considered to be the NEET. for NEET the exam will be conducted in 11 different languages. so language section is important in this entrance exam. then considering cuet, it is also conducted in 13 languages. so , yes.. language section is important for entrance exam.

Hope this information helps you...

All the best.