The correct option is B Collenchyma
Collenchyma is an example of a simple living mechanical tissue. The cell wall is made of cellulose, hemicellulose and pectin and hence called pectinised tissue.
Parenchyma is a simple living tissue and the cell wall is made up of cellulose.
Sclerenchyma is a simple dead mechanical tissue. The cell wall is made up of cellulose and lignin.
Meristems are tissues that are made up of cells whose walls are thin and cellulosic in nature.