21.

Geologically , the oldest rocks in India are from -

• Aravali region of Rajasthan

• Vindhyan region  of Madhya Pradesh

• Siwalik region of Punjab

• Dharwar region of Karnataka

• (a)-(ii) , (b)-(i) , (c)-(iv) , (d)-(iii)

• (a)-(iii) , (b)-(iv) , (c)-(ii) , (d)-(i)

• (a)-(i) , (b)-(iii) , (c)-(ii) , (d)-(iv)

• (a)-(iv) , (b)-(ii) , (c)-(i) , (d)-(iii)

The Two-Cycle theory on the origin of limestone caverns was proposed by :

• Davis

• Gardener

• Malott

• Swinerton

Mohorovicic discontinuity marks the boundary between :

• Continental shelf and Ocean crust

• Asthenosphere

• Crust and upper mantle

• Core and mantle

The process in which one plate slides beneath another is known as :

• Advection

• Subduction

• Convergence

• Convection

San Andreas Fault is a :

• Transform fault

• Converging fault

• Spreading fault

• Submergent fault

Which one of the following is a fluvio-glacial deposit ?

• Pediplain

• Kame Terrace

• Floodplain

• Loess plain

Which one of the following pair does not match correctly ?

• P.Hagget - Geography a modern synthesis

• G.P.Marsh - Explanations in Geography

• P.E.James - All Possible Worlds

• Abler,Adams and Gould - Spatial Organisation

The concept of Pediplain is associated with :

• W.M.Davis

• L.C.King

• W.Penck

• C.A.Cotton

The direction of a horizontal line on an inclined rock strata is known as 

• Anticline

• Syncline

• Dip

• Strike