Question

In a ring girdled plant :
A. the root dies first
B. the shoot and root die together
C. neither root nor shoot will die
D. the shoot dies first

Answer 1

Correct Answer - A
In girdling experiment a ring of bark is cut from the stem , this ring also removes the phloem . Nutrients collect above the ring where the bark swells up . The tissues below the ring show stoppage of growth and begin to shrivel , roots can be killed if ring is not healed.