Earth is protected from U.V.rays means ozone layer, Autotorops is greatest amount of energy

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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.Earth is protected from U.V.rays by means of
(1) Ozone layer (2) Nitrogen (3) CO2 (4) H2O
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2.Which of the following has the greatest amount of energy
(1) Insectivores (2) Carnivores (3) Harbivores (4) Autotorops
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3.The pyramid of no. in pond ecosystem is
(1) Upright (2)Inverted (3) Irregular (4) None
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4.Spraying D.D.T. on crop produces pollution of?
(1) Air only (2) Air and soil (3) Air, soil, H2O (4) None
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5.In a tree ecosystem the pyramid of no. is?
(1) Spindle shaped (2) Inverted (3) Can be (1) and (2) (4) None

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Free Online Mock Biology Multiple Choice Test on Organism and Environment