A drainage pattern which is not related to the structure of the region i sknown as :

• Radial drainage

• Trellis drainage

• Dendritic drainage

• Superimposed dendritic

Crickmay while disagreeing with Davis supplemented peneplain with the terms :

• Pediplain

• Panplane

• Etchplain

• Structural plain

Which of the following is strongly presumptive of the fault line scarp ?

• Superimposed drainage

• Frequent severe earthquakes

• Actual fault plane identified along the scarp.

• Poor correlation between rock resistance and topographic form.

ASSERTION (A) : Deep chemical decay of rocks is one of the outstanding  features of humid tropical regions.

REASON (R) : Intensity of chemical weathering depends to a large extent on abundance of water and higher air temperature.

• Both (A) and (R) are true and (R) is the correct explanation of (A).

• Both (A) and (R) are true , but (R) is no the correct explanation of (A).

• (A) is true , but (R) is false.

• (A) is false , but (R) is true.

ASSERTION (A) : The island along the Mid-Atlantic Ridge are highly prone to volcanic activity.

REASON (R) : The sea-floor spreading is the main cause of earthquakes in the Atlantic Ocean.

• Both (A) and (R) are true and (R) is the correct explanation of (A).

• Both (A) and (R) are true , but (R) is not the correct explanation of (A).

• (A) is true , but (R) is false.

• (A) is false , but (R) is true.

Which one of the following arrangements of Pleistocene Ice age is in a correct chronological order ?

• Mindel-Würm-Gunz-Riss

• Gunz-Mindel-Riss-Würm

• Würm-Mindel-Riss-Gunz

• Riss-Mindel-Würm-Gunz

• a-1 , b-2 , c-3 , d-4

• a-2 , b-3 , c-1 , d-4

• a-3 , b-1 , c-2 , d-4

• a-4 , b-2 , c-1 , d-3

ASSERTION (A) : Divergent plate margin cause sea floor spreading.

REASON (R) : Construction plate margins result in the formation of faults.

• Both (A) and (R) are true and (R) is the correct explanation of (A).

• Both (A) and (R) are true but (R) is not the correct explanation of (A).

• (A) is true , but (R) is false.

• (A) is false , but (R) is true.

Which one of the following pairs is not correctly matched ?

• Microscale - Turbulence

• Planetary scale - Waves in the westerlies

• Mesoscale - Tornadoes 

• Syneptiscale - Valley and mountain winds

Which one of the following statements about polar jet stream is not true ?

• It moves northwards during summer.

• It supplies energy to the circulation of surface storms.

• Its velocity is greater during the summer.

• Its location roughly coincides with that of the polar front.