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.

The sea attained its present level during the geological period :

• Holocene

• Miocene

• Cambrian

• Jurassic

• a-2 , b-1 , c-3 , d-4

• a-4 , b-3 , c-1 , d-2

• a-3 , b-4 , c-1 , d-2

• a-3 , b-4 , c-2 , d-1

Who was the author of the book "Nature of Geography" ?

• Isaih Bowman

• Rudolf Kjellen

• Freidrich Ratzel

• Richard Hartshorne

69.

Which one of the following is unrelated to the denudational action of mass movement ?

• Basal sapping

• Exfoliation

• Landslide

• Mud flow

Which of the following features are unrelated with mountain glaciation ?

• Cirques

• Tarn

• Aretes

• Fiords