Question : Who defined 'Rent' as that portion or produce of the earth which is paid to the landlord for the use of original and indestructible power of the soil?

Option 1: David Ricardo

Option 2: Alfred Marshall

Option 3: John Maynard Keynes

Option 4: Arthur Cecil Pigou

Question : According to the Ministry of Power, Government of India, which is the largest energy source of India? (as of March 2023)

Option 1: Hydro power

Option 2: Tidal energy

Option 3: Coal

Option 4: Solar energy

Question : Who has the power to create All India Services?

Option 1: The Supreme Court

Option 2: The Parliament

Option 3: The Council of Ministers

Option 4: The Prime Minister

Question : An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a:

Option 1: Power transmitter

Option 2: Battery

Option 3: Uninterrupted Power Supply (UPS)

Option 4: Generator

Question : Dioptre is the unit of:

Option 1: power of a lens

Option 2: focal length of a lens

Option 3: light intensity

Option 4: sound intensity