Which one of the following is not considered to be characteristics feature of the youthful stage of an ideal normal cycle of erosion ?
Natural levees
Pot holes
Gorges
River capture
Sand dunes formed as long ridges oriented at right angles to the wind direction are called
Linear dunes
Barchan dunes
Transverse dunes
Star dunes
LIST I (Scholar) |
LIST II (Theory) |
(a) Harry Hess | (i) Doctrine of Uniformitarianism |
(b) Hall and Dana | (ii) Thermal Contraction theory |
(c) Jeffreys | (iii) Theory of Geosyncline |
(d) Hutton | (iv) Sea Floor Spreading theory |
a-iv , b-iii , c-ii , d-i
a-iii , b-i , c-ii , d-iv
a-i , b-iii , c-ii , d-iv
a-ii , b-iv , c-i , d-iii
ASSERTION (A) : Hawaii Island is a site of volcanic eruptions.
REASON (R) : Convergent plate margins are site of volcanic eruptions.
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.
Who stated that the slope profiles are convex , plane or concave according to the circumstances of the uplifting action ?
Davis
Penck
Johnson
Wood
The statement "The present is the key to the past" is related to
Catastrophism
Uniformitarianism
Isostasy
Diatrophism
The theory of plate tectonics does not help to explain the origin and location of which one of the following ?
Earthquakes
Mountains
Ocean currents
Major sea floor features
ASSERTION (A) : The boundary between two air masses of different density is known as a front.
REASON (R) : The differences in density is caused by the differences in temperature and humidity.
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 false , but (R) is true.
(A) is true , but (R) is false.
Which one of the following winds fall in the Zone of Hadley Cell ?
Monsoon winds
Trade winds
Westerlies
Polar winds
Which one of the following is correct , when the combined effect of the pressure gradient force and coriolis force on air current produces ?
Deflection force
Geostrophic force
Frictional force
Gravitational force
B.
Geostrophic force