21.

Who maong the following developed the sequential expansion of transport network model ?

• De Souza and Porter

• Brown and Bracey

• Myrdal , Seers and Rostow

• Taaffe , Morrill and Gould

The final stage in the process of energy resource utilization is

• Transport

• Storage

• Disposal of waste material

• Conversion

Resource creation is the result of 

• interaction of natural and cultural resources

• interaction of different natural processes

• interaction of different social processes

• interaction of different economic processes

Landslides involve :

• Downslope movement of individual rock blocks which is usually not perceptible.

• Rapid perceptible movement of relatively dry mass of earth debris or bed rock.

• Slow to very rapid movement of water saturated rock debris.No

• Slow-flowing downslope masses of rock debris saturated with water.

Which of the following pairs is not a correct match of desert and country/continent ?

• Atacama desert-South America

• Gobi desert-Central Asia

• Sonoran-West Asia desert

• Great Victorian-Australia desert

One of the proponents of the turbidity current theory of the origin of submarine canyons was

• Daly

• Dana

• Gregory

• Salis

The term peneplain refers to

• A level surface formed in the old age of fluvial cycle

• A level surface formed by wind erosion

• A plain formed by marine erosion

• A plain formed by joining flood-plains.

In the process of erosion , the removal of material by solution is called

• Attrition

• Corrassion

• Corrosion

• Sapping

Arrange the solar spectrum in ascending order of its wavelength 

(a) Ultraviolet

(b) Microwaves

(c) X-rays

(d) Television waves

• (d) , (c) , (b) , (a)

• (a) , (c) , (d) , (b)

• (c) , (a) , (b) , (d)

• (b) , (c) , (a) , (d)

Energy that is reflected by the atmosphere

• does not heat the atmosphere

• has a different wavelength than the incoming energy

• is usually short energy like visible light which does not penetrate the atmosphere.

• heats the atmosphere by absorption