Q12 of 43 Page 13

What are the means of spread of diseases?

The various means of spread of diseases are (i) air borne (ii) water borne (iii) vector borne (iv) and direct contact.

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10 Give few examples of some common disease caused by the microbes? 11 How does an antibody destroy a bacterium? 13 Mention the two ways to treat a disease? 14 How can we prevent a disease?