HOUSEHOLD BACTERIOLOGY. 
9. What common diseases in man are attributed to 
molds ? 
10. What is mildew, and under what conditions in • 
the house would it be likely to appear? 
11. Are molds ever helpful to man? 
12. From the health standpoint, what clothes are 
most likely to need boiling ? 
13. Why should milk receptacles be thoroughly 
scalded or sunned? 
14. When a can of blueberries ferments or “spoils,” 
what does it mean ? 
15. Why are bacteria considered to be plants? 
16. How do bacteria reproduce themselves and what 
food do they prefer? 
17. What is the typical mode of reproduction in 
yeast? In mold? 
18. What is the chief work of the yeast plant? 
19. Give a report of your dust-garden experiment. 
20. What do you consider the most important ways 
in which you have applied the knowledge 
gained from this lesson? 
21. Are there parts of this lesson that are not clear? 
Have you some questions? 
Note.—After completing the test sign your full name. 
