Question

write 15 lines on the usefulness of micro-organisms in our lives.class8 science L2​

Answer 1

Answer:

sorry i am in 7th so sadd ddddd

Answer 2

Answer:

Hii, Answer is :-

15 lines on usefulness of microorganisms in our life are as follows :-

• Lactobacillus is used to form curd from milk.
• Rhizobium present in pulse plants’ roots fix nitrogen from the air and supply nitrogen compounds to the pulse plants.
• Micro-organisms are also used in winemaking, baking, pickling, and other food-making processes.
• Alcoholic fermentation by yeast is widely used in the preparation of wine and bread.
• Microbes are used to reduce pollution. For example, decomposers such as bacteria and fungi break down dead bodies and excreta to form inorganic compounds, which plants can absorb.
• Microbes also play an important role in the preparation of medicines. Antibiotics are chemicals produced by microorganisms to kill bacteria. Penicillin is an antibiotic made from Penicillium.
• Bacteria in our intestine helps in proper digestion and release vitamin B, absorbed by the intestine.
• Many vaccines are prepared from micro-organisms. These vaccines are given to children to protect them from the disease.
• Certain microbes are also used in the biological treatment of sewage and industrial effluents.
• Yeast is used in making idli, bhaturas, bread, pastries, and cakes.
• Some microroganisms are used as a probiotic (live bacteria and yeasts that are good for digestive system and maintain good health of the host). They are called as 'good' or 'useful' bacteria.
• Spirulina, yeast are used as single cell proteins (supplemetary food).
• Many microbes carry out decomposition of dead remains of plants and animals.
• Lactobacillus is used in dairy industries for setting of curd and in cheese making.
• Blue green algae carry out nitrogen fixation.

Hope it helps uh dear❣️