Thermophilus sachari causes ?: (A) Bagassosis, (B) Siderosis, (C) Byssinosis, (D) Anthracosis
Answer is A. Bagassosis 

Bagassosis is the name given to an occupational disease of the lung caused by inhalation of bagasse or sugar­cane dust.
Bagassosis has been shown to be due to a termophilic actinomycete → Thermoactinomyces sacchari.