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प्रश्न
Different kinds of food items spoil due to different reasons. Some foods spoil soon, some stay good for long. List some seasons and conditions in which food spoils quickly.
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उत्तर
The food spoils quickly in the summer and rainy seasons. Conditions in which the food spoils quickly:
- If cooked food is kept in open.
- If milk is not boiled properly.
- If green vegetables are kept in hot and humid places.
- If pickles are not protected against moisture.
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संबंधित प्रश्न
Have you ever seen some food that has got spoilt? How did you know that it was spoiled?
Will your list be the same in all seasons? What would change?
When food gets spoilt in your house, what do you do with it?
Look carefully at two-three packets of food items:
What can we know from what is written on the packet?
The whole class can do this experiment together. Take a piece of bread or roti. Sprinkle a few drops of water on it, and put it in a box. Close the box. See the bread or roti every day until you find some changes on it.
Make this table on chart paper and put it up in the classroom. Fill up the chart every day after discussing the changes seen.
| Day | Changes in the bread or roti | |||
| By touch | By smell |
By looking through hand lens |
By colour | |
| 1. | ||||
| 2. | ||||
| 3. | ||||
| 4. | ||||
| 5. | ||||
| 6. | ||||
Find out the reason for these changes. From where did the fungus come on the bread?
Given below are some food items and some simple methods by which these could be kept fresh for 1-2 days. Match the correct pairs:
| Food item | Methods |
| Milk | Put in a bowl and keep the bowl in a container with some water. |
| Cooked rice | Wrap in a damp cloth. |
| Green coriander (Dhania) | Boil it. |
| Onion, garlic | Keep it in a dry open place. |
Why was sugar and jaggery mixed into the mango pulp and dried in the sun?
Is there any kind of pickle made in your house? What kind of pickle is it? Who makes it? From whom did they learn to make the pickle?
It is a two-day journey by train from Pune to Kolkata. If you were to go on this trip, what food items would you carry with you? How would you pack them? Make a list on the blackboard of all the packed food. What food would you eat first?
