Mention the contributions of Edward Jenner

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Edward Jenner was the first to develop the technique of vaccination in 1798.

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अध्याय 7: Health and Hygiene - Diseases due to malfunctioning of body organs, first and measures and hygiene

अध्याय 7 Health and Hygiene
Diseases due to malfunctioning of body organs, first and measures and hygiene | Q 4.1

Find the odd one out, giving reason:
Pneumonia, cholera, leprosy, measles Measles:

Find the odd one out, giving reasons:

Goitre, tooth decay, anaemia, rickets.

Answer the following question:

What is meant by PEM? Name the diseases caused by PEM.

Answer the following question :

Why should we not eat polished rice?

Mention the causal organisms of the following diseases:

Chickenpox

What would you do to lead a healthy life?

What does deficiency of carbohydrates lead to?

Who gave the ‘germ theory of disease’?

I am green colour box with garbage. I am ______.

Your friend says that her hair is thin, spares and lost very often. Suggest your ideas to reduce this problem.