পরিশিষ্ট ৬ । ܐܝo b ܓ 4. Give the names of half a dozen substances used for deodorization. of sewage, explaining their chemical value and their relative value as deolooants. 1890 SECON) L. M. S. EXAMINATION. (Ex-DR. SIMPsoN.) Each guestion has the same value, only four to be a neatered. 1. Give a list of the most important Entozoa, which affect man in India, ; describe the means by which they enter the body and the method to be adopted for their prevention. 2. Give the period of incubation and the duration of infection in the following diseases:-Small-pox, Measles, Diphtheria, Typhoid fever and Cholera. 3. Describe the impurities likely to be forced in a crowded room, the effect of these impurities on health, and the means that should be adopted to secure purity of air. 4. In an outbreak of Cholera, in a house what measures should be taken to prevent the further spread of the disease ? 5. Describe the different methods which may be employed for the purification of water. SECOND M. B.-(Ex.-DR. SIMPsoN.) 1. What are the dangers to health of defective drainage of a house ? How should the drainage of a house be arranged and constructed to keep it in a sanitary condition ? 2. How is Small-pox spread; and what are the precautions to be taken to prevent its spreading ? 3. Describe the different methods of disposal of house refuse and of Sewage. 4. What are the diseases likely to be caused by the drinking of impure water ? What are the usual impurities ? What steps should be taken in each case to prevent further pollution ? And describe the methods of purification which could be adopted before allowing the water to be used.
