Which of the following fungi is not responsible for ringworm?

The diseases produced by the fungus $Ustilago$ are known as smuts because:

Ringworm is a

Following are two statements regarding ringworm disease.
Statement $I$: Ringworm is a fungal infection of skin.
Statement $II$: Fungal species $Trichophyton$ and $Microsporum$ feed on keratin in skin,hair and nails.
In the light of above two statements,choose the correct answer from the options given below.

The pathogen $Microsporum$,responsible for ringworm disease in humans,belongs to which of the following groups?

Which of the following fungal diseases spreads by seeds and flowers?