531. The Capital of Syria?
Damascus
532. Who is considered the guardian of the Public Purse?
Comptroller and Auditor General
533. The headquarters of Organization of Petroleum Exporting Country is located in which city?
Vienna
534. Which are the Actinides elements with atomic numbers?
From 89 to 103
535. Headquarters of Kerala Police is located in?
Thiruvananthapuram
536. World's first test tube baby Louie Brown was born on?
25th July 1978
537. Mahamastakabhisheka; a great religious event; is associated with and done for whom?
Bahubali
538. Which connects the ocean floor level with the continental level?
Continental slope
539. A substance, when inserted between the poles of a magnet, is pushed out, what is it?
Diamagnetic
540. Who discovered ECG (Electro Cardio Graph) ?
Willem Einthovan in 1906.