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प्रश्न
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 the picture and see the flying seeds.
- Have you ever seen any seed that can fly?
- What is it called in your area?
- Look at your seed collection. Guess how many of those could have travelled by flying.
उत्तर
- Yes, I have seen such seeds. It has white hairs attached to it.
- Budhiya ke Baal (Old woman’s hairs).
- I think some of them could travel by flying, e.g. cumin and aniseed.
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? |
In which bowl did the seeds sprout? What difference did you see between this bowl and the other bowls?
On which day did the height of the plant increase the most?
Which seeds took the most number of days for the stem to come out of the soil?
Which seeds took the least days to come out of the soil?
What would happen if the plants do not get water?
How many types of seeds can you collect? Where will you find them? Each of you should try to collect as many different types of seeds as you can. After that, put all the seed collections together. Now observe these seeds carefully – their shapes, sizes, colours, textures (smooth or rough). Make a seed chart to put up in the class. You can start with a table like this.
Did you keep aniseed (saunf) and cumin (jeera) on your list?
Make lists of :
Seeds of vegetables.
How do seeds spread to far-off places? Write in your own words.
