Who stated that the slope profiles are convex, plane or concave according to the circumstances of the uplifting action ?

• Penck

• Davis 

• Johnson

• Wood

The premise that the present day processes have been operating throughout geological time is the principle of :

• Isostasy

• Diastrophism

• Uniformitarianism

• Catastrophism

• a-1 , b-2 , c-4 , d-3

• a-2 , b-1 , c-3 , d-4

• a-4 , b-2 , c-1 , d-3

• a-3 , b-4 , c-1 , d-2

ASSERTION (A) : There is a close relationship between volcanic activities and plate margins.

REASON (R) : A vast majority of the world's volcanoes are associated with the convergent plate margins.

• 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.

• a-2 , b-1 , c-3 , d-4

• a-4 , b-2 , c-1 , d-4

• a-3 , b-4 , c-2 , d-1

• a-3 , b-4 , c-1 , d-2

• a-2 , b-3 , c-4 , d-1

• a-1 , b-4 , c-2 , d-3 

• a-4 , b-2 , c-1 , d-3

• a-3 , b-4 , c-1 , d-2

• a-3 , b-4 , c-1 , d-2

• a-3 , b-4 , c-2 , d-1

• a-3 , b-2 , c-1 , d-4

• a-1 , b-2 , c-3 ,d-4

38.

Which one of the following periods when the sea level around world , was as much as 130 meters lower than today ?

• Holocene

• Pleistocene

• Miocene

• Cambrian

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