Phloem conducts food by
a) Perforated sieve plates b) Bast fibres
c) Xylem parenchyma d) Xylem fibres
A
B
C
D
A.
(a) Sieve tubes are cylindrical tube-like cells with perforated cross walls called sieve plates. Sieve tubes are responsible for movement of food material and sealing of pores after wounding.