Question

It is very important that people who are involved in handling, cooking or selling of food need to be careful about their personal hygiene.
(Hint: Microbes are everywhere )

Answer 1

Answer:

Harmful effects of microorganisms:

1. Bacteria: Causes various diseases such as typhoid, diarrhea, and cholera.

2. Fungi: Causes a large number of diseases in plants and in animals such as rust diseases in plants, fruit rot in apple, red rot in sugar cane and ring worm disease in human beings.

3. Algae: Algal boom in water (rapid growth of algae) causes poisonous effect after they die, which in turn results in the death of aquatic organisms.

4. Protozoa: Causes Amoebic dysentery, pyorrhoea and sleeping sickness etc.

5. Virus: Cause small fox, common cold, influenza, herpes, hepatitis, polio and rabies.

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