The rate of increase in population under optimum condition is known as Intrinsic rate of growth, S-shaped curve is described by Verhulst

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Free Online Mock Biology Multiple Choice Test on Organism and Environment

Sub Category : Organism and Environment	Test : 5	Time Left :
1.S-shaped curve is described by
(1) Gauss (2) Malthus (3) Thomas Robert (4) Verhulst.
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2.Paramecium divides 3 times in
(1) 48 hours (2) 58 hours (3) 68 hours (4) 78 hours.
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3.The rate of increase in population under optimum condition is known as
(1) Extrinsic rate of growth (2) Intrinsic rate of growth (3) Stationary phase (4) lag phase.
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4.Population cycle 'Locusts' appear with fair regularity in?
(1) Europe (2) Asia (3) Africa (4) Both (1) and (2).
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5.The association of two species both of which are benefitted but cannot live separately is called?
(1) Mutualism (2) Commensalism (3) protocooperation (4) Ammensalism.

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Free Online Mock Biology Multiple Choice Test on Organism and Environment