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प्रश्न
Aman’s Biji went to the market to buy bread. The shop was very crowded. The shopkeeper picked up a packet of bread and gave it to Biji. She looked at it and returned it immediately.
How did she find that the bread had got spoilt?
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उत्तर
She may have observed black-velvety spots on the bread.
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संबंधित प्रश्न
How did Aman know that the potato sabzi had got spoilt?
Preeti told Nitu not to eat the potato sabzi. What would have happened if she had eaten it?
Look in your kitchen and write down names of food items that
| can get spoilt in 2-3 days | ______ | ______ | ______ |
| can be kept for a week | ______ | ______ | ______ |
| would not spoil till one month | ______ | ______ | ______ |
Look at your friend’s list and discuss in the class.
Will your list be the same in all seasons? What would change?
Aman’s Biji went to the market to buy bread. The shop was very crowded. The shopkeeper picked up a packet of bread and gave it to Biji. She looked at it and returned it immediately.
Look at the picture of the bread packet here and guess why Biji returned 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?
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.
