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

Which one of the following is an unpredictable natural disaster ?

(1) Earthquake

(2) Cyclone

(3) Tornado

(4) Hurricane

The natural gaps across the mountains which provide routes are called

(1) Peaks

(2) Dunes

(3) Plateaus

(4) Passes

‘Flash floods’ are associated with

(1) Thunderstorms

(2) Cyclonic storms

(3) Tsunami

(4) Tornado

Tundras are

(1) Deciduous forests

(2) Tropical rain forests

(3) Cold deserts

(4) Hot deserts

The rapid sliding of large masses of bed rocks is called :

(1) Landslide

(2) Earthquake

(3) Weathering

(4) Mass wasting

Which type of lake is formed by volcanic activities?

(1) Caldera lake

(2) Karst lake

(3) Lagoon

(4) Fresh water lake