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Question

Which of the following organism causes plant diseases called smut?

A
Agaricus
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B
Ustilago
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C
Puccinia
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D
Aspergillus
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Solution

The correct option is B Ustilago
Smut disease is caused by Ustilago species of basidiomycetes fungi. It is characterized by formation of black coloured chlamydospores (called smut spores) due to which the affected part becomes black.

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