One of the advantages of outbreeding is

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A biological agent with antiviral property is

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A couple has 10 children, all female. Which of the following best explains the situation

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Whorls, arches, loops and compounds are types of variation in

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When the adults have reach a certain degree of weakness, the process of binary fission is replaced by conjugation in

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A pollutant that is mostly associated with acid rain is

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Which of the following is true of small pox?

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A constituent of the exhaust fumes from electricity generating sets which causes serious pollution is

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One of the ways of controlling noise pollution in urban areas is

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The causative agent of Poliomyelitis is

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The soil with highest water-retaining capacity is

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Which of the following is a nitrogen-fixing blue-green algae of soil?

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