Question

Write the advantage and disadvantages of microorganisms

Answer 1

Answer:

Beneficial effects (advantages) :

Yeasts like Saccharomyces cervisiae also known as Brewer’s yeast, is used to ferment dough.

Micro-organism such as Lactobacillus and others commonly called Lactic Acid Bacteria (LAB) grow in milk and convert it to curd.

Apart from this, micro-organisms also are used in preparation of certain group of medicines called ANTIBIOTICS. Penicillium notatum is used in the preparation of the antibiotic, Penicillin.

Harmful effects (disadvantages) :

Though micro-organisms are very beneficial to living beings in a few ways, they can be lethal too. Micro-organisms (Bacteria , fungi and viruses) cause various diseases in humans, plants and animals too.

Typhoid is caused by Salmonella typhi.

Streptococcus pneumoniae and Haemophilus influenzae are responsible for the disease pneumonia in humans with infects the alveoli of the lungs.

Common cold in humans is caused by a group of viruses called Rhino viruses.

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Answer 2

Answer:

advantage- the help in production of food material.

help in preparation of vaccine.

Disadvantage-the spread diseases.

responsible for tooth decay