Multiple choice What are bast fibres? They are sclerenchymatous fibres associated with xylem. They are sclerenchymatous fibres associated with cortex. They are sclerenchymatous fibres associated with phloem. They are cutinised parenchymatous cells. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Bast fibers are sclerenchymatous fibres associated with phloem.