1946: Caldera is a feature associated with
(a) Volcanoes
(b) Earthquakes
(c) Folding of rocks
(d) Faulting of mountains
1947: The discovery of Oak flora in 1966 added a new chapter to the history of Indian Sericulture. Which one of the following states is the leading producer of Oak tasar silk ?
(a) Assam
(b) Bihar
(c) Manipur
(d) Orissa
1948: Less dew is formed on cloudy nights because:
(a) Clouds absorb the falling dew
(b) Clouds scatter moisture
(c) In cloudy nights the radiation takes place very slowly
(d) In cloudy nights the radiation takes place very quickly
1949: Among the agricultural commodities imported by India, which one of the following accounts for the highest imports in terms of value in the last five years?
(a) Spices
(b) Fresh fruits
(c) Pulses
(d) Vegetable oils
1950: Which one of the following was the contemporary Bengal king during the time of Harsha of Kannauj ?
(a) Bhaskaravarman
(b) Divakaramitra
(c) Devagupta
(d) Sasanka