UPSC

A. revolution of the earth

B. rotation of the earth

C. temperature

D. pressure gradient

A. Closeness of the sun

B. Decrease in atmospheric pressure

C. Concentration of ozone

D. None of these

A. one of the major water currents of the Atlantic Ocean

B. westerly winds

C. the biggest and most dangerous river of Russia

D. the name given to the biggest waterfalls in the world

A. Shimla is further north

B. Shimla is at greater height above sea level than Amritsar

C. Shimla is farther from the Equator

D. Their longitudes differ

A. Ionosphere

B. Stratosphere

C. Troposphere

D. Mesosphere

A. Isohel

B. Isobar

C. Isohyte

D. Isotherm

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

A. Granite

B. Quartz

C. Feldspar

D. Slate

A. terrestrial forces

B. tectonic forces

C. gravitational forces

D. mountain building movements

A. places on earth of equal rainfall

B. places of same temperature

C. places on earth at the same altitude

D. None of these