For the following questions answer them individually
The Finance Commission is constituted by the President at the expiration of every ______ year.
The President may issue a proclamation of emergency under Article 356 on receipt of a report from the ______ of a state.
Lactometers (used to determine the purity of a sample of milk) and hydrometers (used to determine the density of liquids) are based on the ______ principle.
The Prime Minister and the other Ministers of the Indian Union are appointed by the President under ______ of the Constitution of India.
In which of the following parts of the human digestive system is the digestion of food completed?