(A) thicker below the plains than below mountains
(B) thicker below the mountains than below the plains
(C) almost same all over
(D) thicker under the oceans than under the seas
Tag: Geography of Pakistan Mcqs
The temperature at the core of the earth is about:
(A) 20000º C
(B) 2000º C
(C) 200000º C
(D) 26000º C
The longitudinal, transverse and surface waves in an earthquake originate from:
(A) the focus within the body of the earth
(B) the epicentre on the surface of the earth
(C) the focus on the surface of the earth
(D) the epicentre within the body of the earth
The layers of the earth’s crust are distinguished by their:
(A) thickness and depth
(B) density and temperature
(C) metallic content and rocks
(D) All the above
Chemical weathering is a name given to:
(A) disintegration of rocks without any change in their chemical
composition
(B) chemical interaction of oxygen, carbon dioxide or water with
the minerals in the rocks
(C) removal of soil by chemical action
(D) artificial breaking up of rocks for man’s use
Igneous rocks are formed from molten rock material. Which one of the following is not an igneous rock?
(A) Granite
(B) Quartz
(C) Feldspar
(D) Slate
The forces responsible for the movements of the earth’s crust, eruption of volcanoes and earthquakes are:
(A) terrestrial forces
(B) tectonic forces
(C) gravitational forces
(D) mountain building movements
Contours are lines showing:
(A) places on earth of equal rainfall
(B) places of same temperature
(C) places on earth at the same altitude
(D) None of these