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प्रश्न
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?
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उत्तर
No, I have not heard their sound.
APPEARS IN
संबंधित प्रश्न
When you split the whole masoor, you get me - masoor dal. But then you cannot sprout me! Can you think why?
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).
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?
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 that are used as spices in your home.
Make lists of :
Seeds of vegetables.
Think what would happen, if seeds did not spread and remained at one place only.
