When endogenetic forces act horizontally from the opposite directions causing compression and tension the resultant landform is a large dome shaped structure , the process is called

• Folding

• Faulting

• Fracturing

• Warping

Which one of the following explanations of the origin of pediments was first propounded by A.C.Lawson (1915) ?

• Sheet flood deposition

• Horizontal erosion

• Recession of mountain front

• Lateral erosion

ASSERTION (A) : By far the most common and widespread topographic form in a karst terrain is the sinkhole.

REASON (R) : Topographically , a sinkhole is a depression that varies in depth from less than a metre to few hundred metres.

• 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 correct , but (R) is false.

• (A) is false , but (R) is correct.

4.

LIST I (Books)	LIST II (Authors)
(a) Morphology of the Earth	(i) C.A.King
(b) Techniques in Geomorphology	(ii) Jeffreys
(c) The Earth	(iii) L.C.King
(d) The Unstable Earth	(iv) J.A.Steers

• a-iii , b-i , c-ii , d-iv

• a-i , b-ii , c-iii , d-iv

• a-iii , b-ii , c-i , d-iv

• a-iv , b-i , c-ii , d-iii

Arrange the following concepts in the order in which they appeared. Use the code below :

I. Principle of Uniformitarianism

II. Theory of Continental Drift

III. Dynamic Equilibrium Theory

IV. Convection Current Theory

• I , III , IV , II

• II , I , IV , III

• IV , I , II , III

• I , II , IV , III

ASSERTION (A) : Stbale atmospheric condition prevails when environmental lapse rate is less than dry and wet adiabatic lapse rates.

REASON (R) : The parcel of air is warmer than the surreounding environment at all the levels as it descends .

• 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 mature stage of thunderstorm is characterized by

• strong updrafts and downdrafts

• lack of electrical charges

• end of precipitation

• lack of ice crystals

• a-2 , b-1 , c-3 , d-4

• a-3 , b-1 , c-2 , d-4

• a-1 , b-3 , c-4 , d-2

• a-4 , b-2 , c-3 , d-1

The idealised global pattern of surface wind from the equator to pole is

• doldrums-trade winds-westerlies-easterlies

• dolfrums-westerlies-trade winds-easterlies

• doldrums-easterlies-trade winds-westerlies

• doldrums-trade winds-easterlies-westerlies

The marine influence upon climate results into

• increase in annual rainfall

• increase in aridity

• increase in annual temperature range

• decrease in annual temperature range