Spindle shaped pyramid of biomass occurs in aquatic habitat, A layer of the soil is made of decaying litter

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Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 2	Time Left :
1.Fill in the blank: Vegetation -> ..... Fox -> Wolf -> Tiger
(1) Insect (2) Grasshopper (3) rabbit (4) All the above
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2.Spindle .... shaped pyramid of biomass occurs in
(1) Terrestrial habitat (2) Aquatic habitat (3) (a) + (b) (4) None
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3.The natural source of energy which is most important is
(1) Atomic energy (2) Biogas (3) Fossil fuels (4) Sun light
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4.A layer of the soil is made of?
(1) Decaying litter (2) Rocky matter (3) Soil mixed with organic matter (4) Soil rich in inorganic matter
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5.Soil particles arranged in series of increasing size is?
(1) Silt -> Sand -> Clay (2) Sand -> Silt -> Clay (3) Clay -> Sand -> Silt (4) Clay -> Silt -> Sand

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Free Online Mock Biology Multiple Choice Test on Organism and Environment