Observation

Many candidates attempted this question and their performance was good. In part (a) majority of the students were able to mention effect of substandard housing on human health. In part (b) they did well in it. In part (c) candidates were able to state cause of fire outbreak in homes.
The expected answers are as follow:

(a)        Effects of substandard housing on human health
-           sudden death
-           diseases may set in/ poor ventilation
-           poor standard of living
-           sudden collapse of building/structure

 (b)      Criteria for good housing

-           good site / well drained soil
-           away from noisy environment
-           good lighting system
-           good position of the building / structure for cross / good ventilation
-           close to social amenities
-           good building plan
-           easily accessible

(c)        Causes of fire outbreak in homes

-           power surges
-           open fires from flames of wood / candles / careless handling of lighted cigarettes / charcoal
-           kerosene and gas lamps
-           faulty electrical appliances / wiring
-           faulty cooking gas / electric cookers
-           corrosive substances such as acids / alkalis
-           gas leakages
-           storing fuel / petrol / gun powder in the house