Ozone layer is present in stsatisohere, Alluvial soil is transported by river, Crystalline rocks are major source of phosphorus

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Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 11	Time Left :
1.Ozone layer is present in
(1) Troposphere (2) Stsatosphere (3) Mesosphere (4) Thermosphere
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2.Alluvial soil is transported by
(1) River (2) Air (3) Centre of gravity (4) Glaciers
1 2 3 4
3.Crystalline rocks are major source of
(1) Phosphorus (2) Carbon (3) Nitrogen (4) Sulphur
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4.Aquatic organisms may be?
(1) Planktonic (2) Nektonic (3) Benthonic (4) Nitrogen
1 2 3 4
5.Which is an endogenous population-limiting factor??
(1) carrying capacity (2) Intrasepecific competition (3) Predator pressure (4) Habitat modification

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	1 2 3 4

Free Online Mock Biology Multiple Choice Test on Organism and Environment