For safe side you should fill the bubble while solving MCQs because most of the students take more time in solving MCQs and the they get less time to fill the remaining bubble.....
Sir Punjab Ka test Balochistan k test SE 90% easy Hota hai or ap KO ek information don Balochistan mdcat is the hardest among all .if U can not believe U can see the past paper and compare it with Ur Punjab UHS papers .then U will know which is easy or tough