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प्रश्न
How is radiation effective in food preservation?
थोडक्यात उत्तर
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उत्तर
- This is a new technique of preservation, which is at the stage of experimentation.
- The W.H.O. has advised the use of this process only in the case of wheat, onions, and potatoes.
- In this process, gamma rays or high-speed electrons are used to destroy micro-organisms.
- These radiations are termed ionising radiations.
- The advantage of using this process is that the food can be stored even without refrigeration.
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Household Methods of Preservation of Food
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संबंधित प्रश्न
Enumerate any three ways by which oil acts as a natural preservative in picking.
Identify which is not an example of a sundried product:
Choose the correct pair:
| A. Sun drying | 1. Potatoes, Onions, Yams |
| B. Convenience | 2. Rasin, chips, papad |
| C. Semi-perishable | 3. Meat, fish, chicken |
| D. Perishable | 4. Peas, Jam, Jellies |
State True or False:
Eggs should be washed and preserved in a cool dry place.
Action of food enzymes are the major causes of ______.
Mention two precautions to be taken while refrigerating food at home.
Explain the procedure for preserving foods by the method of dehydration.
How does sugar help in food preservation? Give any two examples of food items preserved by this method.
How should eggs and milk be stored at home to maintain their freshness for a longer period of time?
What is the need for preserving food items?
