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प्रश्न
Enumerate any three ways by which oil acts as a natural preservative in picking.
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उत्तर
Three ways by which oil acts as a natural preservative in pickles are:
- The oil added to the pickles prevents the pickles from spoiling by preventing air from getting into touch with them.
- It produces a coating atop the pickle, reducing the amount of air available for bacterial growth.
- Antimicrobial activity is also inhibited by oils.
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संबंधित प्रश्न
Shelf life means ______
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 |
How does pickling help to preserve fruits, vegetables and meat?
Why is it important to preserve meat and its products properly?
Assertion (A): Evaporating moisture from food stuff prevents growth of microorganisms.
Reason (R): Most microorganisms cannot grow without water.
State True or False:
Eggs should be washed and preserved in a cool dry place.
The method of preservation depends on ______.
Identify the picture.
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Name the type method of preservation technique by observing the picture.
Select the odd one.
Oil is a natural preservative because
- Delay moulding
- Increase oxidation
- Delay deterioration
- Isolates food from air
Explain the procedure for preserving foods by the method of dehydration.

