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प्रश्न
Some plants spread their seeds over long distances. When the soybean pods are ripe, they burst and the seeds are thrown out. Have you ever heard their sound?
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उत्तर
No, I have not heard their sound.
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संबंधित प्रश्न
What things do you eat after sprouting? How are they sprouted? How much time does it take?
Do you remember that in Class IV you did an activity with seeds? Now try another one.
- Take some chana and three bowls.
- Put five chana in the first bowl and fill it up with water.
- Put a damp piece of cloth or some cotton wool in the second bowl. Now keep the same number of chanas in it. Make sure that the cotton wool or cloth remains wet.
- Put the same number of chanas in the third bowl. Do not put anything else in it. Cover all three bowls.
Observe after two days and note the changes in the bowls.
| Bowl 1 | Bowl 2 | Bowl 3 | |
| Are the seeds getting air? | No | Yes | Yes |
| Are the seeds getting water? | |||
| What changes did you see? | |||
| Have the seeds sprouted? |
Plant your seeds
Take a clay pot or a tin can with a wide mouth. Make a small hole at the bottom of the can. Fill your can with soil. Put four or five seeds of the same kind in the soil and press them gently. Different groups can plant different kinds of seeds, such as mustard (sarson), fenugreek (methi), sesame (til) or coriander (dhania).
Did new leaves come out of the plant every day?
What would happen if the plants do not get water?
Did you keep aniseed (saunf) and cumin (jeera) on your list?
Make lists of :
Seeds that are used as spices in your home.
Make lists of :
Do you know any games that you can play with seeds? Discuss with your friends.
Think what would happen, if seeds did not spread and remained at one place only.
Make a list of the different ways by which seeds are spread.
