The principal reason for the formation of metamorphic rocks is
Deposition of sediments
Deposition of remains of plants and animals
Extreme heat and pressure
Solidification of magma
The process of capture of precipitation by the plant canopy and its subsequent return to the atmosphere is called
Sublimation
Stem flow
Interception
Through fall
The process that explains the recent changes in the height of sea level in coastal areas of eastern and northern Canada and Scandinavia is
Isostasy
Continental drift
Plate tectonics
None of the above
The process that involves the eroded material being dissolved and carried along in water as individual ions is called
Solution
Suspension
Saltation
Traction
The process that may cause physical weathering or mechanical rupture are
Abrasion. Crystallization, pressure release
Abrasion, oxidation, hydrolysis
Crystallization, carbonation, thermal insolation
None of the above
The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called
Saltation
Suspension
Traction
Solution
The production of wheat has increased mainly due to
Increase in area under wheat
Increase in yield per hectare
Increase in demand for wheat
Increase in prices
The products of ….. are a major source of sediments for erosion and…..
Weathering, deposition
Deposition, weathering
Rocks. Weathering
Rocks, deposition
The progressive wave theory regarding the origin of tides was put forth by
R.A. Harris
Isaac Newton
William Whewell
G.B. Airy
The propagation of radio signals is greatly influenced by
Troposphere
Ionosphere
Exosphere
Thermosphere
The pyramidal peaks that form when several cirques chisel a mountain from three or more sides are called
Homs
Cirques
Arêtes
Medial moraines
The Pyranees mountains are located on the border between…. And …..
Romania, Bulgaria
Norway, Sweden
Hungary, Romania
France, Spain
The process of destruction or dying of fronts is called
Frontogensis
Frontolysis
Both (1) and (2)
None of the above
The radiation belts are zones in space around the
Earth
Jupiter and Saturn
Mercury
Earth, Jupiter and Saturn
The process of evaporation of water in nature is one of the basic components of the hydrological cycle. The other process that is considered to be essential for the completion of the hydrological cycle is the
Flow tide and ebb tide in a river
Movement of water vapour in the atmosphere
Flow of water in the sea
Movement of water in the water table
The process of particle detachment by moving glacial ice is called
Plucking
Abrasion
Scouring
None of the above
The process of soil development is called
Leaching
Illuviation
Elevation
Pedogenesis
The process of weathering results into
The complete loss of particular atoms or compounds from the weathered surface
The addition of specific atoms or compounds to the weathered surface
A breakdown of one mass into or more masses, with no chemical change in the mineral or rock
All of the above
The process that creates a sub layer. Which is white to gray in colour and composed of silica sand in the A horizon is called
Podsolisation
Classification
Laterisation
Glesiation
The process that creates the deep oceanic trenches is called
Plate tectonics
Sea floor spreading
Continental drift
Isostasy
The process that directs precipitation down plant branches and stems is called
Stem flow
Through flow
Interception
Canopy drip
The rainfall in the peninsular interior averages about
650 mm a year
750 mm a year
850 mm a year
550 mm a year
The rate at change of temperature is called
Temperature difference
Temperature gradient
Isotherm
None of the above
/
I,II
I,III
II,III
All of the above
The ratio of land to ocean in the southern hemisphere is
1 to 1.5
1 to 1
1 to 4
1 to 10