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प्रश्न
Make lists of :
Make more groups. How many groups of seeds did you make?
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
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? |
Look carefully at your sprouted chana and make its drawing?
Which seeds did not grow at all? Why?
Make lists of :
Seeds of vegetables.
Make lists of :
Light seeds (check by blowing them).
Plants cannot move around. Once they grow, they remain in the same place. But their seeds are great travellers! They can reach far and wide. Look at picture 1 and see the flying seeds.
Picture 1
Picture 2
What is it called in your area?
Think what would happen, if seeds did not spread and remained at one place only.
What all was grown in India long ago? Were mangoes and bananas grown here? What came from other countries? Imagine food without potatoes or tomatoes!
How do seeds spread to far-off places? Write in your own words.
