Question

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Take two glass jars and fill them with water. Now, take two onion bulbs and place one on each jar. Observe the growth of roots in both the bulbs for a few days. Measure the length of roots on 1st, 2nd and 3th day. On day 4 cut the root tips of the onion bulb in jar 2 by about 1 cm. After this, observe the growth of root in both the jars and measure their lengths each day for 7 days. Record the observation in a table as:
Observation table:
Length in (cm)
Day
1
Day
2
Day
3
Day
4
Day
5
Day
6
Day
7

Jar 1








Jar 2









Plot a graph based on your observations and derive the conclusion.

Answer 1

Explanation:

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