51. Marthanda Varma was born in the year 1705 and came to the throne of Travancore in?
1729
52. Land of White Elephant?
Thailand
53. What is laughing gas?
Nitrous oxide
54. Silent Valley National Park was set up in 1984 at?
Mannarkad in Palakkad district
55. How does the earth rotate around its axis?
From west to east
56. "Chirutha; classipper"
Thakazhi
57. Who stated "In the struggle for survival; the fittest win out at the expense of their rivals because they succeed in adapting themselves best to their environment' ?
Charles Darwin.
58. The United Nations declared 2010 as which International Year?
Seafarer
59. Mercury thermometers can be used to measure temperature up to how many °C?