Often we see the growth of plants in the cracks or crevices of walls and stones. How did seeds reach there?

How do seeds reach to different places ?

Ask your elders and collect the information about seeds. In the older days farmers preserved their own seeds. How did they preserve?

Gibberellins and auxins promote growth in plants while abscisic acid arrests the same. Some situations are discussed here, State which hormones would be needed and why? Seeds are to be stored for a long time "________________" hormone can help.

How do parent plants pass on their traits to the seeds?

Pavithra went to friut market.she was astonished by seeing the seedless friuts of watermelon,banana and grapes.How these seeds are developed or produced ?

We often find that some plants grow from their cuttings or some other parts. Can you name some such plants ?

You have performed the activity of Seed Germination in a glass jar in your school lab. You might have observed the growth of shoot and root. What information did you record regarding the shoot growth after a week if the glass jar is tilted and plant kept horixontally.

You may see kittanara, a xerophytic plant, grown as fence around crop fields in some areas in our state. Actually those places are not deserts. How can they grow there?

Observe a lawn in your area (If you have one) and see how it is maintained. Find out from the gardener the different types of plants that he removes from time to time. Do you think a farmer does the same thing on his farm ?

We can see arenchyma in these plants .....