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प्रश्न
Which seeds did not grow at all? Why?
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उत्तर
All seeds grow well in the presence of water and air. If either of these two factors is absent then the seed cannot grow.
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? |
In which bowl did the seeds sprout? What difference did you see between this bowl and the other bowls?
When you split the whole masoor, you get me - masoor dal. But then you cannot sprout me! Can you think why?
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.
Was there any change in the stem of the plant?
Which seeds took the least days to come out of the soil?
How does a big plant grow from a tiny seed?
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.
Make lists of :
Seeds of vegetables.
