Which are generally absent in the primary Phloem of Angiosperms?
Sieve tube cells
Companion cells
Bast fibres
Parenchyma
Phloem fibres (bast fibres) are sclerenchymatous fibres generally absent in the primary phloem, but abundantly found in secondary phloem.
Which among the following includes the components in phloem of angiosperms?
Fibres are likely to be absent in
(a) secondary phloem
(b) secondary xylem
(c) primary phloem
(d) leaves