The jute fibres anatomically are
Bastfibres
Cortical fibres
Xylem fibres
Pith fibres
The only plant cells without nuclei among the following are
$A$ : Bast fibres are collenchymatous fibres.
$R$ : Fibres are absent in secondary phloem.
Xylem vessels and phloem companion cells are generally absent in
Sclereids are commonly found in