The inner-most layer of the earth is known as

(1) Lithosphere

(2) Mesosphere

(3) Asthenosphere

(4) Barysphere

The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because

(1) the falling water absorbs heat from the Sun.

(2) the water at the bottom has greater potential energy

(3) the kinetic energy of the falling water is converted into heat.

(4) rocks on the bed of the river give out heat

Which one of the following is an igneous rock?

(1) Sandstone

(2) Shale

(3) Quartzite

(4) Granite

The greatest erosive power of a river is associated with

(1) gorges

(2) meanders

(3) inter-locking spurs

(4) V-shaped valley

Prime Meridian passes through

(1) Greenwich

(2) Ujjain

(3) New York

(4) Tokyo

What is the epicenter of an Earthquake?

(1) The point at which earthquake originates

(2) The point which is prone to volcanoes

(3) The point from which the intensity of seismic waves declines

(4) The point on the earth’s surface vertically above the seismic focus

The main cause of recurring floods is

(1) Soil erosion

(2) Deforestation

(3) Silting of river beds

(4) All of the above

Which one of the following is the greatest circle?

(1) Tropic of Cancer

(2) Tropic of Capricorn

(3) the Equator

(4) Arctic Circle

In the context of ‘time’, GMT means

(1) General Meridian Time

(2) Greenwich Mean Time

(3) Global Mean Time

(4) None of these

Which of the following is a typical feature of river erosion in the youthful stage ?

(1) Ox-bow lake

(2) Gorge

(3) Valley in the valley

(4) Cut-bank

Which one of the following is not the result of underground water action?

(1) Stalactites

(2) Stalagmites

(3) Sinkholes

(4) Fiords