1. The passage gives a general description of progress made in discovery of the cause and prevention of certain diseases.
2. Centuries ago, it was believed that non-living things could develop into living things.
3. Dr Jenner experimented to show that milkmaids were immune to smallpox.
4. Francois Appert heated the water in a container to the boiling point to stop the food from spoiling.
5. Louis Pasteur was the first to prove that diseases were transmitted by germs.
6. Joseph Lister set up the first wards in Glasgow where antiseptic dressings were employed.
7. Two physicians in London agreed to be bitten by the Aedes mosquito to demonstrate how the germs of yellow fever were carried.
8. In Pasteurs experiment, _______sheep died because they were not inoculated.
9. In_______, Louis Pasteur proved that it was living organisms floating about in the air that spoiled foods.
10. Cases of rabies can be successfully treated only by_______.
I. Y 2. Y 3. N 4. Y 5. Y 6. NG 7. N 8. 25 9. 1850 10. inoculation
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