Which of the following induces sexual reproduction in Mucor/Rhizopus?
Indole acetic acid
Trisporic acid
Gibberellic acid
Citric acid
A
Trisporic acid
B
Indole acetic acid
C
Gibberellic acid
D
Citric acid
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Solution
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Blakslee (1904) discovered the phenomenon of sexual incompatibility in fungi. Since, the two compatible strains could not be distinguished morphologically, he labelled one '+' and the other '-'. Later, Burgeff (1924) demonstrated that a diffusable substance is responsible for the initiation of sexual reproduction and has been chemically identified to be trisporic acid.
Thus, the correct answer is option B.
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