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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
Has the doctor or someone you know ever told you to eat sprouts? 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).
On which day did the height of the plant increase the most?
Was there any change in the stem of the plant?
Which seeds took the most number of days for the stem to come out of the soil?
Which seeds took the least days to come out of the soil?
What would happen if the plants do not get water?
What is inside the seed?
Make lists of :
Make more groups. How many groups of seeds did you make?
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.
