Detailed SolutionThe hunting and gathering economy can support only
World geography
1 person per sq. km
3 persons per sq. km
5 persons per sq. km
7 persons per sq. km
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
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
Answer is Right!
Answer is Wrong!
50. The most obvious effect of pressure on rocks is
foliation
lineation
lithification
the reorientation of mineral crystals
Answer is Right!
Answer is Wrong!
Detailed SolutionThe most obvious effect of pressure on rocks is