1. Water is always involved with landslides. This is because it:
(A) reduces the shear strength of rocks
(B) increases the weight of the overburden
(C) enhances chemical weathering
(D) is a universal solvent

2. Which is the smallest North-east State in India?
(A) Tripura
(B) Meghalaya
(C) Mizoram
(D) Manipur

3. Tamilnadu coastal belt has drinking water shortage due to:
(A) high evaporation
(B) sea water flooding due to tsunami
(C) over exploitation of ground water by tube wells
(D) seepage of sea water

4. While all rivers of Peninsular India flow into the Bay of Bengal, Narmada and Tapti flow into the Arabian Sea because these two rivers:
(A) Follow the slope of these rift valleys
(B) The general slope of the Indian peninsula is from east to west
(C) The Indian peninsula north of the Satpura ranges, is tilted towards the west
(D) The Indian peninsula south of the satpura ranges is tilted towards east

5. Soils in the Mahanadi delta are less fertile than those in the Godavari delta because of:
(A) erosion of top soils by annual floods
(B) inundation of land by sea water
(C) traditional agriculture practices
(D) the derivation of alluvial soil from red-soil hinterland

 6. Assertion (A): Aerosols have potential for modifying climate
Reason (R): Aerosols interact with both short waves and radiation
(A) Both (A) and (R) are true, and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true