1 How do communicable disease spread 2 what is pasteurisation 3 write a short note algae 4 list out some food items which are made by the process of fermentation 5 Explain with an example what is vactor 6 Explain any two methods of food preservation
Answers
Answer:
1,A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.
2,Pasteurization or pasteurisation is a process in which packaged and non-packaged foods are treated with mild heat, usually to less than 100 °C, to eliminate pathogens and extend shelf life.
3,Algae are a large and diverse group of simple, typically autotrophic organisms. Some have one cell and others have many cells. The largest and most complex marine algae are called seaweeds. They are like plants, and "simple" because they lack the many distinct organs found in land plants.
4,Fermentation is the breakdown of carbs like starch and sugar by bacteria and yeast and an ancient technique of preserving food. Common fermented foods include cake, bread and yogurt.
5,A vector is a quantity or phenomenon that has two independent properties: magnitude and direction. The term also denotes the mathematical or geometrical representation of such a quantity. Examples of vectors in nature are velocity, momentum, force, electromagnetic fields, and weight.
6,Food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter. ... Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.
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