Micro organisms square measure of 2 varieties. helpful to North American nation and non helpful to North American nation. These square measure the little microscopic living things within and out facet of human bodies. gift in their own habitats. Either aerobic or non aerobic. they will survive with the assistance of substrates or by alternative organisms. Later ones square measure known as parasites. within our abdomen and alternative organs lnnumerable microorganism reside. within the abdomen these square measure helpful to secrete enzymes to degrade foods into less complicated product then simply is absorbed in blood streams.
Some square measure enemies that cause dangerous diseases like diarrhoea and chlorera etc. Some square measure deadly toxic will cause death. Some fungi additionally harmful to North American nation. Another sort is mosses. alga square measure smart inexperienced organisms manufacture carbohydrates by chemical change.somenproduce vitamin K in our bodies which may clot blood once accidentally cut our bodies to prevent trauma. Yeasts will manufacture alcohol from complicated starches in associate degree anerobic setting. additionally wont to inflate the dough of breads within the kilns. There square measure numberless edges from freindly microorganism. Some square measure harmful like pneumococci and ecoli bactria.
Beneficial effects (advantages) :
- Yeasts like fungus genus cervisiae additionally referred to as Brewer’s yeast, is employed to ferment dough.
- Micro-organism like eubacterium et al usually known as carboxylic acid microorganism (LAB) grow in milk and convert it to curd.
- Apart from this, micro-organisms are utilized in preparation of sure cluster of medicines known as ANTIBIOTICS. genus Penicillium notatum is employed within the preparation of the antibiotic, Penicillin.
Harmful effects (disadvantages) :
Though micro-organisms square measure terribly helpful to living beings in an exceedingly few ways in which, they will be fatal too. Micro-organisms (Bacteria , fungi and viruses) cause numerous diseases in humans, plants and animals too.
- Typhoid is caused by salmonella.
- Streptococcus respiratory disordere and Haemophilus influenzae square measure liable for the illness pneumonia in humans with infects the alveoli of the lungs.
- Common cold in humans is caused by a bunch of viruses known as rhinoceros viruses.
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