41. Who were the Chief Ministers of Dharmaraja?
Ayyappan Marthanda Pillai and Raja kesava Das
42. Who is the inventor of Rubber (latex foam)?
Dunlop Co.
43. Defence Service Staff College is located at?
Wellington; Nilgiri Hills (Tamil Nadu).
44. Who is the author of “Economic Planning of India Elimination of Child Labour”?
Ashok Mehta
45. In which " State, no tribe has been declared as "Scheduled" by the President?
Haryana
46. Where is the Central Food Technology Research Institute situated?
Mysore
47. Who is the author of “ Kadaltheerathu”?
O.V Vijayan
48. Caldera is a feature associated with which thing?
Volcanoes
49. A temperature difference of 25°C is equivalent to a temperature difference of how many F?
45° F
50. For the measurement of temperature of the order of 400°C, what will we prefer?
Thermocouple