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प्रश्न
Find out the reason for these changes. From where did the fungus come on the bread?
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उत्तर
These changes occurred because of rotting of bread. The spores of fungus are present in the air. When they get a moist surface and food, they begin to grow.
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संबंधित प्रश्न
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.
When food gets spoilt in your house, what do you do with it?
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. | ||||
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 did Appa first choose the most ripe mangoes to be used for making the mamidi tandra?
What things are made in your house from ripe and unripe mangoes?
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?
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?
