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प्रश्न
In which bowl did the seeds sprout? What difference did you see between this bowl and the other bowls?
उत्तर
Seeds could sprout in bowl 2 only. In bowl 2, the seeds got both air and water Eind hence could sprout. On the other hand, in bowl 1, only water was available and hence the seeds could not sprout. In bowl 3, there was no water and no air and hence seeds could not sprout.
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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 would happen if the plants do not get water?
What is inside the seed?
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.
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?
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.
Make a list of the different ways by which seeds are spread.
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!
