Yes giving sample papers is very necessary before appearing for any competitive entrance examination because it helps you self analyze yourself. Where you stand, what more you need to study, and what you are done with. So in short, it helps you to give a reality check of where you stand. Below I'll provide the link where some of the sample papers are available that you can solve for practice..

https://university.careers360.com/download/sample-papers/cucet-ma-history-model-question-paper

Best wishes. Thank you.