Physalia colony exhibit polymorphism, Major constituant of soil is inorganic matter, Succession developing on sand dunes is known as psammasere

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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.A population with more than 50% in post-reproductive age group would be
(1) Declining (2) Increasing (3) Expanding (4) Stable
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2.Physalia colony exhibit
(1) Dimorphism (2) Polymorphism (3) Trimorphism (4) Metamorphism
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3.Succession developing on sand dunes is known as
(1) Lithosere (2) Halosere (3) Hydrosere (4) Psammasere
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4.Major constituant of soil is?
(1) Organic matter (2) Inorganic matter (3) Sand air (4) Sand water
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5.Major use of petroleum is in?
(1) Industries (2) Transport on land and air (3) Factories (4) Shipping

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Free Online Mock Biology Multiple Choice Test on Organism and Environment