1.

Ustilago caused plant diseases are called smuts becauseA. They parasitise cerealsB. Mycelium is blackC. They develop sooty masses of sporesD. Affected parts become complectely black.

Answer» Correct Answer - D
Both C and D are correct, since C is the trait of the fungus while D represents the effect on host. When the choice is between the two , the language of the question becomes important-plant disease is called smut, that is the effect on the host .


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