True combination is all except -: (A) Cold-Trench foot, (B) Light-Miner's nystagmus, (C) Pressure-Caissons disease, (D) Cane fibre-Farmers lung
Answer is D. Farmers lung is due to inhalation of mouldy hay or grain dust. (REF. PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 748)