One of the characteristic of sieve tube is
it is a part of phloem
function is transport of inorganic solutes
it is dead cell
sieve plate is not present
A.
it is a part of phloem
The phloem consists of sieve elements companion cells, phloem fibres and phloem parenchyma. Sieve tube members are long, slender, tube-like cells joined end to end to form long tubular channels, the sieve tubes.