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Practice each question, then open the answer or worked solution.
What difference did you observe in the seeds after soaking? Compare with dry seeds and write.
I observed that the seeds, after soaking, get swollen and sprouted after two days, while the dry seeds did not get swollen or sprout.
What do you think would happen if the cotton wool had been left dry?
If the cotton wool had been left dry, then the seeds would not sprout.
In which direction did the roots grow? And the stem?
The roots grew in the downward direction, and the stem grew in the upward direction.
How big did the plant grow in the cotton wool?
The plant grew up to a height of 4 cm.
Did small plants come out from all the seeds?
Yes, small plants did come out from all the seeds.
What is the colour of the roots?
The colour of the roots is off-white.
Did you see any hair on the roots?
Yes, I notice the hair on the roots after 8 days.
Try and pull out one little plant from the cotton wool. Were you able to pull it out? Why?
Yes, I was able to pull out, but with much effort, as the roots made grip with the cotton.
Did you see how the roots grip the cotton wool? Do you think that the roots hold the soil in the same way? Also, look at the plants grown by your friends.
Yes, I did see how the roots grip the cotton wool. Yes, I think roots hold the soil in the same manner. Also, the roots of the plants grown by my friends also made grip with the cotton wools.