31. Name the German Physician; who isolated Vibrio Cholerac in1883 is?
Robert Koch
32. In ancient India, at where was the earliest capital of Magadha kingdom?
Rajgir
33. Why does the phenomenon of "trade winds" takes place?
Due to convection of heat
34. Which country is the largest producer of Tea in the world?
China
35. Who wrote The Republic ?
Plato
36. Tamil Brahmins who came to Kerala first settled in?
Sekharipuram in Palakkadu.
37. How are the Himalayan rivers?
Snow fed
38. Who is the inventor of Pressure Cooker?
Dennis Papin Robert Boyle
39. The intensity of a magnetic field is defined as the force experienced by which pole?
Unit north pole
40. Cricket was introduced in Kerala by?
Col Arthur Wellesley