Question

A group of students conducted an activity where they took three glass tumblers A,B and C with the same amount of soil and planted same- sized seedlings. They added cow dung and manure in tumbler A, little urea in tumbler B and nothing in tumbler C. Based on the observations after a week, answer the following.

1. Will the seedlings in all glass tumblers survive. Yes/No

2. What is the role of soil in this experiment?

3.in which one of the glass tumblers does the seedling show maximum growth?

4.Name the natural substance obtained from plant residue.​

Answer 1

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Answer 2

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