Question

Why sieve tubes are called sieve plates?

Answer 1

Sieve plates:

1. The sieve tubes consist of thick primary walls with perforated end walls, transverse or oblique.
2. The transverse end wall of the sieve tube is called the sieve plate, which is perforated by groups of pores.
3. Sieve plates help in the transportation and absorption of substances.
4. They serve as the connecting and transporting tissue in the case of plants.