Which of the following is called 'the Land of White Elephants'?

• Thailand

• Africa

• Cuba

• Cuba

The disconnected lines drawn on a map for showing slope

• Bench marks

• Contours

• Form lines

• Form lines

A group of inter-connected islands is known as

• Strait

• Peninsula

• Archipelago

• Archipelago

Which place is said to be the Manchester of South India?

• Coimbatore

• Salem

• Thanjavur

• Thanjavur

The beach sands of Kerala are rich in

• calcium

• radium

• thorium

• thorium

The Himalayas is the example of .............

• Fold mountains

• Block mountains

• Ancient mountains

• Ancient mountains

The largest irrigation canal in India is .............

• Yamuna canal

• Indira Gandhi canal

• Sirhand canal

• Sirhand canal

138.

Even after sunset, the air near the Earth's surface continue to receive heat due to

• insolation

• terrestrial radiation

• conduction

• conduction

A landscape which is caused due to the issue to the fissure in the earth along which one side has moved down with reference to the other is known as 

• Rift valley

• U shaped valley

• V shaped valley

• V shaped valley

The layer where the decrease in temperature with increasing altitude is totally absent is

• Troposphere

• Ionosphere

• Stratosphere

• Stratosphere