No, it won't be. At best they might ask a few more conceptual questions, but even those questions will be below par in difficulty if compared to JEE mains.
See the questions in MHT-CET are mostly fact based, while Jee mains tests your conceptual understanding and builds on those concepts.
So if you have prepared well for the board exams, you will be covered for MHT-CET. While the same thing doesn't apply at all, for JEE Mains.

Joint Entrance Examination (Main)

Answer Key | Eligibility | Application | Preparation Tips | Question Paper | Admit Card | Result | Accepting Colleges

Get Updates Brochure

Maharashtra AAC Common Entrance Test

Counselling | Eligibility | Application | Exam Pattern | Admit Card | Result | Dates

Get Updates Brochure