Question

Question for stars and mods :)

Define :-

MicroOrganisms
Fermentation
Antibiotics
Vaccines
Pathogens-
Communicable diseases
Carriers
Pasteurisation

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Answer 1

Answer:

◦•●◉✿ : The living organisms, that are invisible to the naked eye but are visible under the microscope, are called microorganisms, there study is known as microbiology. Microorganisms include viruses and single celled organisms like bacteria, yeast, algae etc.

◦•●◉✿ : Fungi like yeast, reproduce rapidly and produce carbon dioxide. This gas when trapped in dough, or batter ( used for idlies, dosas) cause it to increase in volume and make it fluffy and soft. This is known as fermentation.

◦•●◉✿ : Antibiotics are the chemical that inhibit the growth of other harmful microorganisms by affecting there life processes.

For example penicillin is an antibiotics obtained from a fungus.

✿◉●•◦ : Vaccines are suspensions of killed or weakened microorganisms (or products ,or derivatives, of such microorganisms.)

◦•●◉✿ : Such disease causing organisms are known as pathogens. Some microorganisms also cause spoilage of food.

Some grow on leather and clothes and have an adverse affect on their quality.

◦•●◉✿ : Disease, which are spread from an infected person to a healthy person are called communicable disease.

◦•●◉✿ : A method of preserving milk by heating it to 72°C followed by quick cooling is called pasteurisation.

Answer 2

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Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.