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प्रश्न
Explain any two methods of food preservation.
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उत्तर
- SMOKING:
Food products like Meat and Fish are exposed to smoke. The drying action of the smoke tends to preserve the food. - Use of Inert gas:
Nitrogen gas is filled in air tight packets of Potato wafers and other products. It prevents the growth of fungus and insects in them.
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संबंधित प्रश्न
Talk to the elderly people in your family to find the answers to the following questions, with reference to the foodstuffs mentioned below: Milk, vegetables, grains, flours, sugar, jaggery.
What measures are taken to keep the foodstuffs in the house in good condition, for as long as possible?
What’s the solution?
Fruits like mangoes, amlas, guavas and vegetables like peas onions, tomatoes, fenugreek are needed all year round. They are available in plenty only in certain seasons.
Use your brain power !
Semolina (shevaya) do not get spoiled for a very long time. But kheer made from them spoils easily. Why is this so?
What are the different methods of preserving food?
Draw one of your favourite raw food and colour it.
Explain any four food preservation methods.
Observe the set-up given in figure and answer the following questions.
- What happens to the sugar solution in A?
- Which gas is released in A?
- What changes will you observe in B when the released gas passes through it?
List the methods of food preservation.
Find the odd-man-out.
Find the odd-man-out.
