Question 1 of 20 1,492 total questions
Which of the following does not determine the available humus resources in a country?
A births
B deaths
C emigration
D evolution
Organic components of the soil include all the following except
A humus
B animal remains
C micro-organisms
D rock pedestals
'It is made up of a great variety of evergreen trees, with a distinct layer arrangement'. This refers to the
A equatorial forest
B tropical grassland
C temperature grassland
D corniferous forest
Laterization is a soil-forming process prominent in
A hot humid tropics
B cool temperate zones
C warm temperature zones
D temperature grassland
Which of the following is associated with wind deflation in arid regions?
A rock pedestals
B oasis
C barchan
D yardangs
The peeling off of the surface layers of rounded boulders during mechanical weathering is called
A frost action
B exfoliation
C solifluction
D rock fragmentation
When there is a large difference in the reading of the dry and wet bulb thermometers, it shows that relative humidity is
Which of the following is not a factor affecting the movement of ocean currents?
A the planetary winds
B differences in temperatures
C shape of the land mass
D differences in the rate of evaporation
A well will always contain water if it is dug
A above the water table
B below the water table
C to reach sand bearing water
D below the earth's basin
Lines joining places of equal sunshine duration on maps are known as
A isohyet
B isoneph
C isobar
D isohel
'They are crescentic or moon-shaped and occur individually or in groups'. The above description refers to
A yardangs
B barchans
C seifs
D rock pedestals
The plains formed when the slopes of mountains are worn back in arid and semi-arid regions by mechanical weathering is called
A pediplains
B deflation plains
C alluvial plains
D outwash plains
Which of the following is not a process of chemical weathering?
A hydrolysis
B oxidation
C carbonation
D frost action
The seasonal variation in the volume of water in a river is known as the
A regime
B drainage
C pattern
D waterdivide
Down folded layers of chalk or limestone sandwiched between impermeable rock layers and containing trapped water is referred to as
A river basin
B oasis
C artesian
D watershed
Which of the following is not an example of a fold mountain?
A andes
B kilimanjaro
C rockies
D himalayas
Earth movements generate tensional forces that
A pull the crust apart
B act towards on another
C wrinkle the crust
D pull the crust towards one another
Which of the following is not true of the relationship between the sun and the earth?
A earth is held by sun's gravitational force
B sun supplies heat and light energy to the earth
C sun revolves round the earth
D the distance from the earth to the sun is 150 million kilometres
Marble is a metamorphic rock formed from
A clay
B limestone
C granite
D coal
The process which causes exposed rock surface to break and crumble is best described as
A denydation
B weathering
C transportation
D folding
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