Question

Q Write 10 lines on the usefulness of microorganisms in our live
Q. Write a short paragraph on the harms caused by microorganisms.
Q. What are antibiotics? What precautions must be taken while taking antibiotics

Answer 1

A micro organism help to turn dead plant and animal into humus Humus ensure nutrition back to the to humus plant grow faster and as we know the plant help you to inhaling more oxygen and due to plant carbon dioxide will not increase and global warming would not lead

due to the micro organism be can be sick

antibiotic is medicine of an harmful sickness and we should take it properly

Answer 2

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▶Lacto-bacillus ,a bacterium is useful in making curd.

▶Bacteria are useful in formation of bread and cheese.

▶They are used in cleaning of environment.

▶Yeasts are used in production of alcohol.

▶They are used in making antibiotics.

▶They are used also used in making vaccines.

▶Micro organisms are used to make manure.

▶ Bacteria are main nitrogen fixing agents.Microorganisms fix the carbon dioxide into useful sugar.

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

▶ Microorganisms are also used in pickling and other food making processes.

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$\underline{\underline{\mathfrak{Answer\:2}}}$

Along with different usefulness,there are also several harms caused by different Microorganisms. Bacteria causes diseases such as typhoid, cholera,etc. Fungi causes diseases in plants like fruit rot and in humans like ringworm. Rapid growth of algae in water causes poisonous affect which results in the death of acquatic organisms. Microbes are also responsible for spoilage of food , clothing and leather and causes food poisoning. Microorganisms such as virus causes communicable diseases like cold,flu and chicken pox.

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$\underline{\underline{\mathfrak{Answer\:3}}}$

Antibiotics are medicines produced by certain microorganisms to kill other disease causing microorganisms . These medicines are commonly obtained from bacteria and fungi . Streptomycin, tetracycline ,penicillin etc are common antibiotics.

★Precautions to be taken while using antibiotics:★

• Antibiotics should be taken under the supervision of a very qualified doctor.
• Course (intake) of antibiotics should be completed as per the prescription given by the doctors.

• Antibiotics should be taken in the right amount and at the right time. A wrong dose of antibiotics makes the drug ineffective also excessive consumption of drugs may kill the useful bacteria present in our body .