About 99% of the CBSE school give NCERT questions of class 10th in the entrance exams for admission to class 11th and about NCERT of te question paper cntain 8587% NCERT. So you should cover your NCERT for entrance exams.

And the second option is a website called

http://www.mycbse.in   go there and u may find your question papers or else just type in Google for late years question paper and the site I mentioned would pop up in first 5 suggestions



Thank you :)