1531. Who did the USA buy the Virgin islands from?
Denmark
1532. Who has written the famous book ‘Anna Karenina’?
Leo Tolstoy
1533. Which is the fastest growing tree?
Eucalyptus
1534. Who is the author of “Gul-e-Naghma Raghupati”?
Sahai Firaq
1535. Who is the inventor of Electrical Resistance?
Ohm
1536. Who is the author of “Back to Methuselah”?
George Bernard Shaw
1537. How is the Relative humidity of the atmosphere directly affected?
Change in atmospheric temperature
1538. Who is the creator of the famous characters "Koonan; Sreedharan; Kanaran"?
S.K. Pottakadu
1539. What is the composition of Nitrolim-a chemical fertilizer?
Calcium carbide and nitrogen
1540. Rohinton Baria Trophy is associated with?
Cricket (Inter-University)