Q. The most explosive type of volcano is

? The Caldera

Q. The lowest point, on land, in the world is

? Dead sea, Jordan/Israel

Q. The main percentage of the volume of water in the hydrosphere is in

? Oceans and Seas

Q. Which of the following is an inland sea ?

? Caspian sea

Q. The most densely populated country of Africa is

? Mauritius

Q. The most recent and logical concept regarding the origin of ocean basins and continents is that of

? Continental data

Q. The most salty sea in the world is

? Dead sea

Q. The most notable example of a tectonic valley is that of the

? Kashmir valley

Q. The mean distance of the earth from the sun is approximately

?  149,502,000 km

Q. The major graphite producing country is

?  China

Q. The maximum soil fertility occurs in the pH range of

?  6.0 to 7.2

Q. The mica belt of the Himalayas, the major part of it is situated in

?  Bihar