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प्रश्न
Make lists of :
Make more groups. How many groups of seeds did you make?
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उत्तर
Seeds can be grouped as follows:
- Edible seeds
- Seeds that give oil
- Seeds used as spices
- Seeds floating on water
- Seeds sinking in water
- Very small seeds
- Very big seeds.
APPEARS IN
संबंधित प्रश्न
What things are soaked before cooking in your house? Why?
Has the doctor or someone you know ever told you to eat sprouts? Why?
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).
What was the difference in the height of the plant on the first and second day?
Was there any change in the stem of the plant?
Which seeds took the most number of days for the stem to come out of the soil?
Make lists of :
Seeds that are flat.
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?
How do seeds spread to far-off places? Write in your own words.
