Analogous structures are a result of:
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Select the incorrect statement:
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Which one of the following characteristics is not shared by birds and mammals?
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Which of the following statements is not correct?
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Seed formation without fertilization in flowering plants involves the process of:
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Which of the following approaches does not give the defined action of contraceptive?
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The amino acid Tryptophan is the precursor for the synthesis of:
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A river with an inflow of domestic sewage-rich in organic waste may result in:
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Gause’s principle of competitive exclusion states that:
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Asthma may be attributed to:
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