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प्रश्न
Make a list of the different ways by which seeds are spread.
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उत्तर
Seeds are spread by the following agents:
- Animals
- Humans
- Air
- Water.
APPEARS IN
संबंधित प्रश्न
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? |
Name of the seed: ______
The date on which you planted them: ______
The day you observe something coming out of the soil, start filling the table:
| Date | Height of the plant (in cm) | Number of seen leaves | Any other change |
To find the height of a plant use thread and then measure it on the scale.
On which day did the height of the plant increase the most?
Which seeds did not grow at all? Why?
How does a big plant grow from a tiny seed?
Make lists of :
Light seeds (check by blowing them).
Make lists of :
Seeds that are flat.
Make lists of :
Do you know any games that you can play with seeds? Discuss with your friends.
Look at the pictures given below and guess how the seeds travel and reach different places.
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?
