World geography Archives - Page 3 of 29 - MCQ and Quiz for Exams

21. The horizontal of soil profile is composed of

weathered parent material that is not affected by translocation and organic modification

material affected by translocation & organic modification

unweathered bedrock

None of the above

Detailed SolutionThe horizontal of soil profile is composed of

22. The texture of a soil refers to

the size distribution of the mineral particles composing the soil

the distribution of mineral particles in the soil

the crystal distribution in soil

None of the above

Detailed SolutionThe texture of a soil refers to

23. The most important force that provide resistance to particles towards entertainment is

frictional resistance

particle cohesive bonds

particle adhesive bonds

momentum

Detailed SolutionThe most important force that provide resistance to particles towards entertainment is

24. The reaction between compounds and oxygen is called

oxidation

hydrolysis

carbonation

solution

Detailed SolutionThe reaction between compounds and oxygen is called

25. The ionosphere contains ionized air that protects the earth from

the ultraviolet rays of the sun

the infrared rays of the sun

the falling meteorites

None of the above

Detailed SolutionThe ionosphere contains ionized air that protects the earth from

26. The heavier silicates named as ‘Sima’ or silica + magnesium are most abundant in the

crust

core

mantle

ocean floors

Detailed SolutionThe heavier silicates named as ‘Sima’ or silica + magnesium are most abundant in the

27. The slow down slope movement of soil and sediment because of frost heaving and thawing is called

solifluction

gelifluction

frost creep

rockfall

Detailed SolutionThe slow down slope movement of soil and sediment because of frost heaving and thawing is called

28. The oldest rocks found in ocean basins are ____ than the oldest continental rocks.

older

younger

larger

smaller

Detailed SolutionThe oldest rocks found in ocean basins are ____ than the oldest continental rocks.

29. The mountains that separate European and Arctic Russia are

the Pyranees

the Balkans

the Carpathians

the Urals

Detailed SolutionThe mountains that separate European and Arctic Russia are

30. The steady or initial phase of the magnetic storms is

preceded by storm sudden commencement

magnetic storm at middle and low altitudes

a sharp increase of the field

None of the above

Detailed SolutionThe steady or initial phase of the magnetic storms is

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