Jurisdiction
No.
false
No.No. Only cases involving federal laws and federal jurisdiction.
Grand Juries do not hear court cases. They only hear presentments of crimes and determine if probable cause exists to indict the defendant.
They don't. Appeals courts ONLY hear cases appealed to them from lower/inferior courts.
Hear cases that are on appeal from the lower, trial court.
EXCLUSIVE
A limit not placed on the supreme court is that they get to choice which cases they want to hear. The supreme court holds the full say so in which cases they choice and they only hear few cases throughout the year.
This is admittedly an educated guess and may be applicable only in the US: But I believe the answer would be Municipal Courts or County-level court systems probably hear the most cases due simply to the sheer number of misdemeanor and traffic cases that are heard each day.
President doesn't have judicial power. Only the judicial branch has that power.
A review court is one which has appellate jurisdiction rather original jurisdiction over cases. Courts with original jurisdiction hear cases at the trial level only. Courts with appellate jurisdiction cannot hear trials. They only review decisions made by trial courts to ensure that those decisions were correctly rendered.
Only the grantor can remove a power of attorney. In some cases that would be the court.