1916: Whose autobiography is the book "My Music, My Life"?

(a) Pandit Ravi Shankar
(b) Ustad Amjad Ali Khan
(c) Pandit Shiv Kumar Sharma
(d) Ustad Zakir Hussain
1917: "Economic Justice", as one of the objectives of the Indian Constitution, has been provided in the:

(a) Preamble and Fundamental Rights

(b) Preamble and Directive Principles

(c) Fundamental Rights and Directive Principles

(d) Preamble, Fundamental Rights and Directive Principles
1918: Which of the following pairs is not correct?

(a) Seismograph : Earthquakes

(b) Anemometer : Speed of the wind

(c) Hygrometer : Water vapour content of the atmosphere

(d) Lactometer : Specific gravity of liquids
1919: Which one of the following rivers does not originate in India?

(a) Beas
(b) Ravi
(c) Chenab
(d) Sutlej
1920: The beginning of urbanisation of the Ganges from the 6th century was mainly attributed to:

(a) Fertility of soil

(b) Trade improvement

(c) Population growth

(d) None of the above