Discuss three ways in which bacteria are useful to us and two ways in which they are harmful to us
Answers
Answer:
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Bacteria have helpful aspects as well as harmful impacts.
Three ways in which Bacteria can be helpful are:
They can help in the digestive process, can help convert the nitrogen that is found in the soil and can be used to make certain antibiotics.
Digestion is helped in by bacteria E. coli, Nitrogen is converted in by Rhizobium and antibiotics can be made by Streptomyces.
Bacteria can cause harmful diseases like pneumonia or meningitis.
They can also cause food poisoning by contaminating the food by their presence.
Bacteria can cause harmful diseases like pneumonia or meningitis. They can also cause food poisoning by contaminating the food by their presence.
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Answer:
Bacteria are useful for us in many ways such as:
1.Used for making curd from milk and the bacteria that converts milk into curd is called lactobacillus.
2.Risobium bacteria convert atmosphereic nitrogen into soluble nitrogen in leguminous plants.
3.Bacteria also decomposes dead animals into humus or manure so that it won't remain and do not cause any soil pollution.
The ways which bacteria affect us:
1.They cause diseases like tubercolosis.
2.They cause infection or spoil food and fruits.
Explanation:
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