16.In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to A. Acidic pH of the insect gut B. Action of gut micro-organisms C. Presence of conversion factors in insect gut D. Alkaline pH of the insect gut
Option D In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to the alkali pH in the insect gut and becomes active. The toxins then attack the gut cells of the insect, punching holes in the lining leading to their death.
