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प्रश्न
How do seeds spread to far-off places? Write in your own words.
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उत्तर
(a) Seeds are spread by birds, animals, air, and water. Many animals eat fruit
and throw seeds. Thus these animals help in spreading seeds.
(b) Some seeds stick to the fur of animals and thus are transported to other places.
(c) Some seeds have thin hairs and are lightweight. These seeds float on air and travel to other places.
(d) Some seeds float on water and thus travel to far-off places.
APPEARS IN
संबंधित प्रश्न
Look carefully at your sprouted chana and make its drawing?
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 is inside the seed?
What would happen if plants could walk? Draw a picture.
Do some plants grow without seeds?
Make lists of :
Seeds that are used as spices in your home.
Make lists of :
Seeds of fruits.
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.
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?
Reena has drawn this picture of the seed sprouted by her. What do you think the seeds need for sprouting? Write in your own words. How would Reena’s seeds look if they did not get the things needed? Show by drawing a picture.
