Translocationn of photosynthetic end products in sieve tubes is

Options

A. 3-5 mm/h
B. 3-5 cm/h
C. 1-15 cm/h
D. 60-100 cm/h

Answer

D

Explanation

Dixon (1923) reproted that the sieve tube contents move at the rate of 50 cm per hour while the simple diffusion of sugar molecules takes place at the rate of 0.2 mm per day.