1.

The diagram given below represents the result of an experiment conducted on two freshly taken shoots of a green herbaceous plant. The lower ends dip in water.(i) What is the aim of the experiment?(ii) Some parts of the stem in both the shoots have been removed. Name the conducting tissue in shoot A and in shoot B, that have been removed.(iii) What are the results of this experiment?

Answer»

(i) To demonstrate the role of xylem and phloem in flowering plants.

(ii) In shoot A phloem tissue has been removed. In shoot B central xylem tissue has been removed.

(iii) Plant A gets water and minerals and synthesizes its food and remains healthy. Plant B due to lack of xylem does not get its supply of water and minerals. The leaves are seen drooping and will dry.



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