The concentration of abate recommended for killing cyclops is -: (A) 2 mg/L, (B) 1 mg/L, (C) 5 mg/L, (D) 0 mg/L
Answer is B. Control of cyclops: Straining through clothes Boiling at 60degC Chlorination at 5ppm concentration Lime 4 gram per gallon of water Abate 1 mg/L Barbel fish and Gambusia fish REFERENCE: PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE, 25TH EDITION, PG NO. 842