Q. National Income refers to

[A] Current market value of all final goods and services produced in a year.

[B] Current market value of all consumer goods and services produced in a year.

[C] Current market value of all capital goods and services produced in a year.

[D] Both B and C.

Answer: A
Notes:

National Income refers to the money value of all the goods and services produced in a country during a financial year.  

In other words, the final outcome of all the economic activities of the nation during a period of one year, valued in terms of money is called as a National income. 

Source: TMH Ramesh Singh