Azolla and Anabaena is Symbiosis, destroyed forest in 200 years, Aphns is Beetles, Bacteriophages are Hyperparasites, smoother crops ? Sunflower

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Free Online Mock Biology Multiple Choice Test on Biotic Community

Sub Category : Biotic Community	Test : 3	Time Left :
1.The type of interaction between Azolla and Anabaena is known as
(1) Commensalism (2) Symbiosis (3) Competition (4) Protocooperation
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2.A destroyed forest in order to recover fully requires
(1) 1000 years (2) 50-100 years (3) 200 years (4) 2000 years
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3.Growth of Aphns is checked by
(1) Cactoblastis (2) Mynah (3) Beetles (4) Vultures
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4.Bacteriophages are?
(1) Pathogenic parasites (2) Hyperparasites (3) Semiparasite (4) Stem parasite
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5.Which of the following is known smoother crops ??
(1) Barely (2) Sorghum (3) Sunflower (4) All

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Free Online Mock Biology Multiple Choice Test on Biotic Community