Black dot ringworm is caused by -: (A) Microsporum, (B) Trichophyton, (C) Epidermophyton, (D) Candida
Answer is B. Black dot lesions are seen in Tinea capitis.
The hairs are broken at the level of the skin surface producing a picture of black dots in an area of alopecia.
T. tonsurans is the chief cause of "black dot" tinea capitis.