Ans: A. 8-15 degC(Ref: Park 22/e p100)Some medicines come with label of 'store at a cool place only'.These medicines should be kept at 8-15 degC.Definitions of Storage Conditions of Drugs as per Ip 6 (Indian Pharmacopoeia 1996)ColdAny temperature not exceeding 8degC and usually between 2-8degC. A refrigerator is a cold place in which the temperature is maintained thermostatically between 28degC.CoolAny temperature between 8-25degC.An aicle, for which storage in a cool place is directed may alternately,be stored in a refrigerator unless otherwise specified in the individual monograph.Room TemperatureThe temperature prevailing in a working area.WarmAny temperature between 30-40degC.Excessive heatAny temperature above 40degC.Light resistant containersA light-resistant container protect the content from the effect of actinic light by viue of the specific propeies of the material of which it is made.Well closed containerA well-closed container protects the contents from contamination by extraneous liquid & from loss of the aicle under normal condition of handling, shipment, storage & distribution.Well closed containerA tightly closed container protects the contents from contamination by extraneous liquid & solids or vapor, from loss or deterioration of the aicle from effervescence, deliquescent or evaporation under normal condition of handling, shipment, storage & distribution.