Answers

2015-06-23T11:10:25+05:30
Parenchyma -
Soft plant tissue.
Thin cell wall.
Made up of cellulose.

Collenchyma -
Thick cell wall.
Made up of cellulose and pectin.
Layer of supportive plant tissue.
Consists of elongated living cells .

Sclerenchyma -
Supportive walls of plant tissue.
Cell wall is hard, rigid and very thick.
Made up of lignin.
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