20.Phloem fibres are made up of: A. Parenchymatous cells B. Collenchymatous cells C. Sclerenchymatous cells D. Both b & c
Option C Fibres are thin, long and provide mechanical support. Sclerenchyma fibres found in the phloem are called phloem or bast fibres. Phloem fibres are made up of sclerenchymatous cells. They are generally absent in primary phloem but are quite common in secondary phloem.
