Question

A group of students completed the project of finding the botanical names of all
the trees present in the school campus. They prepared metal plates with names
carved on it, to fix it on the plant trunks. Shreya was concerned that if the metal
plate is fixed into tree many cells of the tree may get damaged. But the group
members explained her that the outer layer of trunk does not have living cells
and there won’t be any damage to the tree.
i. What types of cells are present on the outer layer of the bark/tree trunk?
ii. How does the cork act as a protective tissue?
iii. The cells of cork are dead and have a chemical in their walls that makes
them impervious to gases and water. The chemical is
(a) lignin (b) suberin (c) cutin (d) wax

Answer 1

Answer:

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