No. 20.
656
HYGIENE.
CLASS III.
1. What precautions should always be taken in construeting a house with reference to :-
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(1) the site.
(2) the aspect,
(3) the floors.
2. What is the best way of warming a house from a sanitary point of view? Compare the Chinese method with that of any European country known to you.
3. Why are the cubicles in Hongkong so unhealthy? What suggestions can you offer as to their improvement?
Illustrate
4. How are refuse and sewage in towns best disposed of ? your answer by describing any system with which you are acquainted.
5. What precautions are essential to guard against :-
Malaria, typhoid fever, consumption.
No. 21.
HYGIENE.
CLASS IV.
1. Compare the food of man with that of animals. Of what three substances does the food of man consist ́and whence are they obtained?
2. Describe the construction of the ordinary filter bed. How is the water filtered? Illustrate your meaning by a diagram.
3. What is the proper food for infants and whence is it derived? When should they begin to eat ordinary food?
4. Explain the term "Perspiration." Whence does it arise and what
purpose does it serve? What are the two kinds of perspiration"? 5. (a) Why is waterproof clothing uncomfortable? Is it healthy?
(4) Compare silk and wool as materials for clothing.
No. 22.
HYGIENE.
CLASS V.
1. What part do plants play in purifying the air ? Is it advisable to have them in a room at night?
2. Compare the system of water supply in Hongkong with that in Canton. Which is better?
Give reasons.
3. What is meant by "Atmosphere"? What gases does it contain and in what proportion to one another?
4. What precautions should always be taken in the construction of a well and why?
5. Why is it safer to boil water than to use a filter? Describe the best form of filter known to you.