Sieve tubes are better suited for translocation, because

Options

A. bordered pits
B. no ends walls
C. broader lumen and perforated cross walls
D. no protoplasm

Answer

c

Explanation

Sieve tubes function as the food conduvting elements of phloem which are elongated tubular chennels formed by end to end union of numerous cells . Seives tubes have broader lumen , thin walls. Septa present between sieve tube cells are called sieve plates, they possess a number of perforations called sieve pores or sieve pits.