Which one of the following mountains is formed due to convergence of one oceanic and one continental plate ?

• Urals

• Alps

• Andes

• Appalachians

Which one of the following processes is responsible for the weathering of rocks in a Karst region ?

• Hydrolysis

• Carbonation

• Oxidation

• Scree formation

• a-2 , b-4 , c-3 , d-1

• a-4 , b-2 , c-1 , d-3

• a-1 , b-4 , c-2 , d-3

• a-2 , b-3 , c-1 , d-4

4.

The term panplane refers to :

• A level surface formed by wind erosion.

• A plane formed by joining of flood plains.

• A level surface formed by the fluvial cycle at the old age.

• A level plain formed by human intervention.

The statement "The present is the key to the past" was made by :

• Walter Penck

• W.M. Davis

• Huntington

• James Hutton

A band of wind called "Jet Streams" is found in :

• Lower Troposphere

• Middle Troposphere

• Upper Troposphere

• Whole Troposphere

"Negative Southern Oscillation Index" refers to which of the following ?

• Favourable condition for El-Nino.

• Favourable condition for La-Nina.

• Favourable condition both for La-Nina and El-Nino.

• Unfavourable conditions both for El-Nino and La-Nina.

In which of the following areas, the main centre of "Hurricane Mathew" that occured in Carribean Sea in the 1st week of October 2016 was located ?

• Florida

• Georgia

• South Carolina 

• South-West Haitti

In Indian Ocean between 0°-10° N and 0°-10° S latitudinal zones , the temperature variations is of about :

• 3° C

• 2° C

• 1° C

• 0° C

The genral depth of abyssal plains varies between :

• 1000 - 6000 metres

• 2000 - 6000 metres

• 3000 - 6000 metres

• 4000 - 6000 metres