Collenchymatous tissue is found in
Climbing plants
Aquatic plants
Woody climbers
Herbaceous climbers
Sclerenchyma fibres are
Lignin is the important constituent in the cell wall of
Give differences : Parenchyma Tissue and Sclerenchyma
$A$ : Bast fibres are collenchymatous fibres.
$R$ : Fibres are absent in secondary phloem.