Question

write 10 lines on the usefulness of microorganisms In our lives.​

Answer 1

They are used in winemaking, baking, pickling and other food-making processes.

Alcoholic fermentation by yeast is widely used in the preparation of wine and bread.

A bacterium Lactobacillus promotes the formation of curd.

Microbes are used to reduce pollution.

They are used to increase soil fertility by fixing atmospheric nitrogen.

Microbes are also useful in preparing many medicines and antibiotics.

Certain microbes are also used in the biological treatment of sewage and industrial effluents.

Some microorganisms are taken as probiotics, that are believed to provide health benefits when consumed.

Bacteria are also involved in making cheese.

Acetobacter acetic is used for producing acetic acid from alcohol.

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Answer 2

Answer:

the usefulness of microorganisms are as follows:

1. Lactobacillus- a bacterium useful in making curd
2. bacteria are useful for making bread and cheese
3. they are used for cleaning the environment
4. yeasts are used in production of alcohol
5. they are used in making antibodies
6. they are also used in making medicines
7. they are used in making vaccines
8. when added to the waste water the cat involved in certain chemical reactions as a result of which they produce enzymes and clean the wastewater. these bacteria can be aerobic or anaerobic.
9. micro organisms are used to make manure
10. bacteria are main nitrogen fixing agents
11. the fix carbon dioxide into useful sugar
12. bacteria break down many plant and animal waste and produce biogas.biogas is a by product which can be used as cooking gas or for lighting the houses especially in remote areas
13. they also increase the soil fertility
14. yeast and bacteria are rich in certain vitamins. that is why they are widely used in making medicines. insulin a hormone used to treat diabetic patient can also be produced using such certain bacteria.
15. making alcoholic beverages
16. some seaweeds such as kelp are used as food in many countries such as China and Japan. kelp is a rich source of potassium and iodine.
17. a substance called algin obtained from algae is used to thicken foods such as ice creams and jellies.
18. penicillin comes from a species of mould called penicillium