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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.
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संबंधित प्रश्न
Why did Gopal’s mother tie the chana in a damp cloth?
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.
What was the difference in the height of the plant on the first and second day?
Did new leaves come out of the plant every day?
Which seeds took the most number of days for the stem to come out of the soil?
Did anyone’s plant dry up or turn yellow? Why did this happen?
What would happen if the plants do not get water?
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
Look at your seed collection. Guess how many of those could have travelled by flying.
