World geography

41. The hunting and gathering economy can support only

1 person per sq. km
3 persons per sq. km
5 persons per sq. km
7 persons per sq. km

Detailed SolutionThe hunting and gathering economy can support only

42. The magnetosphere becomes unstable during the magnetic storms during a period of

initial phase
storm sudden commencement phase
main phase
None of the above

Detailed SolutionThe magnetosphere becomes unstable during the magnetic storms during a period of

43. The polar regions of earth cannot support forest growth because

the growing season is short in these areas
the ground is often frozen or snow or ice covered
the rainfall is very low
All of these factors

Detailed SolutionThe polar regions of earth cannot support forest growth because

44. The latitude of a place expresses its angular position relative to the plane of

axis of earth
north pole
south pole
equator

Detailed SolutionThe latitude of a place expresses its angular position relative to the plane of

45. The products of ____ are a major source of sediments for erosion and ____

weathering, deposition
deposition, weathering
rocks, weathering
rocks, deposition

Detailed SolutionThe products of ____ are a major source of sediments for erosion and ____

46. The tide produced when the moon and the sun are at right angles to the earth, thus pulling in opposite directions, is called

neap tide
spring tide
diurnal tide
ebb tide

Detailed SolutionThe tide produced when the moon and the sun are at right angles to the earth, thus pulling in opposite directions, is called

47. The region of three W’s that is wheat, wool and wine is

mediterranean climatic regions
china type climatic regions
steppe type climatic regions
equatorial regions

Detailed SolutionThe region of three W’s that is wheat, wool and wine is

48. The pyramidal peaks that form when several cirques chisel a mountain form three more sides are called

horns
cirques
aretes
medial moraines

Detailed SolutionThe pyramidal peaks that form when several cirques chisel a mountain form three more sides are called

49. The part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

stratosphere
ionosphere
biosphere
mesosphere

Detailed SolutionThe part of the earth and thin layer of air above its surface, which support life on earth, are referred to as

50. The most obvious effect of pressure on rocks is

foliation
lineation
lithification
the reorientation of mineral crystals

Detailed SolutionThe most obvious effect of pressure on rocks is

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