The statement "The present is the key to the past." was given by
G.K. Gilbert
James Hutton
W.H. Davis
Walter Penck
B.
James Hutton
Which process of chemical weathering causes rusting of iron ?
Carbonation
Oxidation
Hydration
Dissilication
LIST I (Theory) |
LIST II (Names of Scientist) |
(a) Sea floor spreading | (i) Wegener |
(b) Continental drift theory | (ii) Harry Hess |
(c) Elastic rebound theory | (iii) Joly |
(d) Radio activity theory | (iv) Reed |
a-ii , b-i , c-iv , d-iii
a-iii , b-iv , c-ii , d-i
a-i , b-ii , c-iii , d-iv
a-iv , b-iii , c-ii , d-i
Which of the following factors is responsible for the planetary wind belts ?
The tilt of earth's axis
The rotation of earth
High and low pressure belts
Differential rate of heating of land and water
ASSERTION (A) : Remains of older mountain belts lie within the shields in few places.
REASON (R) : Older mountain belts in shield areas are composed of soft sedimentary rocks.
(A) is correct , but (R) is wrong.
Both (A) and (R) are correct.
(A) is wrong , but (R) is correct.
Both (A) and (R) are wrong.
The correct sequence of the following features towards sea from the coast is :
Berm-Lowtide terrace-Longshore trough-Longshore bar
Longshore trough-Longshore bar-Berm-Lowtide terrace
Lowtide terrace-Berm-Longshore bar-Longshore trough
Longshore bar-Lowtide terrace-Berm-Longshore trough
ASSERTION (A) : When sand arrives at a particular section of the beach more rapidly , than it is carried away , the beach is widened and built ocean ward.
REASON (R) : Th progradation process is everywhere common in the coastal environment.
(A) is correct , (R) is wrong.
(A) is wrong , but (R) is correct.
Both (A) and (R) are correct
Both (A) and (R) are wrong.