Answer the following question
1. Make a note of what methods have been used to store food in your home for a long
time.
2. How will you determine if harmful micro organisms are produced in bread or fruit?
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Answer:
1) (a )To preserve the food longer time keep it in refrigerator.
(b) cover the food with a lid , do not expose it in atmosphere.
(c) Give the food a deep heat.
(d) Spread salt over the food .
(e) preserve the eating material in air tight container.
2) If we see a green colour covering on a bread than we can conclude that is attacked by fungi.
If the fruits are expoed in atmosphere they get a covering of brown colour this shows that it is contaminated.
Explanation:
Example- when we keep a cut apple in atmosphere for a long time , we see a brown covering it ia because of the process of oxidation.
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