In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives. It so haappens that_____ siblings sing one of_____invariably has a less_____ vocal prowess even though______ have a similarly commendable ____base. It so happens that ______
1. The powers to legislate with respect to any matter not enumerated in any of the three lists are mentioned as residuary powers. Which of the following is empowered to determine finally as to whether or not a particular matter falls in this category