581. By which number the quality of gasoline" sample is determined?
By its octane number
582. Who is the inventor of Motor Scooter?
Greville Bradshaw
583. On the 21st June; the day light is seen at the North Pole for how many hours?
24 hrs.
584. Central Marine Research Institute is located in?
Chennai
585. Who is the author of “Shalimar”?
Manohar Malgonkar
586. The Lok Sabha Secretariat comes under the direct supervision of which ministry?
Ministry of Human Affairs
587. 'Uncle Tom's Cabin" of Harriet Beechstowe was published for the first time in?
1852
588. Who got the ‘Bharat Ratna’ award, before becoming the President of India?
Dr. Zakir Hussain
589. Which Mughal painter according to Abul Fazl was excellent in drawing of features?
Basawan
590. Who established the first English School in Kerala?
Ringle Taube (B) Prussian protestant Missionary