Humus is example of Organic collons, The soil is made of Decaying litter, Soil from rocky matter is Pedogenesis

Home >> Online-Test >> Biology >> Natural Resources

Free Online Mock Biology Multiple Choice Test on Natural Resources

Sub Category : Natural Resources	Test : 2	Time Left :
1.Humus is example of
(1) A ferilizer (2) Component of soil structure (3) Organic collons (4) Crystallons
1 2 3 4
2.Deep black soil is productive due to high proportion of
(1) Sand and zinc (2) Gravel and calcium (3) Clay and humus (4) Silt and earthworm
1 2 3 4
3.Soil particles arranged in a series of increasing size is
(1)silt->Sand->Clay (2) Sand->Silt->Clay (3) Clay->Sand->Silt-> (4) Clay->Silt->Sand.
1 2 3 4
4.A 0 layer of the soil is made of?
(1) Decaying litter (2) Rocky mater (3) Soil mixed with organic matter (4) Soil rich in inorganic matter.
1 2 3 4
5.Development of soil from rocky matter is?
(1) Pedogenesis (2) Pedology (3) Edaphic factors (4) Edaphic climax

1 2 3 4
	1 2 3 4

Free Online Mock Biology Multiple Choice Test on Natural Resources