Diseases, where ______ are the immediate causes, are called infectious diseases.
A
birds
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B
insects
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C
microbes
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D
animals
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Solution
The correct option is C microbes The organisms that enter our body and cause the disease are termed as the immediate causes. For example, viruses, bacteria, protozoa, etc. Contributory cause: The secondary factors which led these organisms to enter our body are termed contributory causes. Microbes are the immediate cause of infectious diseases.