Advertisements
Advertisements
प्रश्न
How do seeds spread to far-off places? Write in your own words.
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
When you split the whole masoor, you get me - masoor dal. But then you cannot sprout me! Can you think why?
Look carefully at your sprouted chana and make its drawing?
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).
Did new leaves come out of the plant every day?
Did anyone’s plant dry up or turn yellow? Why did this happen?
Make lists of :
Light seeds (check by blowing them).
Make lists of :
Do you know any games that you can play with seeds? Discuss with your friends.
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.
Look at the picture. This seed cannot fly, but it can still travel by sticking to the fur of animals or on our clothes. In this way, it gets a free ride!
Did you get any new ideas from these seeds?
Think what would happen, if seeds did not spread and remained at one place only.
