The World's gold and platinum occurs in South Africa, Illuviation occurs in horizon B, Undifferentiated B horizon is present in Black soil

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Free Online Mock Biology Multiple Choice Test on Natural Resources

Sub Category : Natural Resources	Test : 3	Time Left :
1.Most of the World's gold and platinum occurs in
(1) North America (2) canada (3) India (4) South Africa
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2.Oceans manufacture about .... of total biomass
(1) 55% (2) 70% (3) 80% (4) 85%
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3.Illuviation occurs in horizon
(1) A (2) B (3) C (4) D
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4.Undifferentiated B horizon is present in ?
(1) Red soil (2) Black soil (3) Alluvial soil (4) Colluvial soil
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5.Loam soils contain...clay,....silt and....sand.?
(1) 20%,60%40% (2) 10%,40%,50% (3) 20%,40%,40% (4) 40$,40%,20%

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Free Online Mock Biology Multiple Choice Test on Natural Resources