Man-dominated environment is called Noosphere, The type of soil is chemically more active for Clay

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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.Man-dominated environment is called
(1) Atmosphere (2) Noosphere (3)Aquarium (4) None of these
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2.Algin is produced from
(1) Sargassum (2) Turbinaria (3) Both (1) and (2) (4) None of these.
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3.Which type of soil is chemically more active?
(1) Loam (2) Clay (3) Sand (4) None of these.
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4.The plants which would become extinct without human help are called?
(1) Cultigens (2) Danger plants (3) Plantagens (4) None of these.
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5.Name the Indian organism which creates problem into West Indies??
(1) Typha (2) Eichhornia (3) Mongoose (4) None of these.

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Free Online Mock Biology Multiple Choice Test on Organism and Environment