Question

Using genetically modified crops, farmers can minimize use of insecticides and pesticides during cultivation.

(a) Give name of one such genetically modified pest resistant crop. 

(b) Which gene is used for its production? 

(c) Name the source of pest resistant gene. 

(d) Write about its mode of action.

Answer 1

(a) Bt cotton 

(b) cry gene 

(c) Bacillus thuringiencis 

(d) The cry gene produce the insecticidal protein which solubilised in the alkaline PH of insect gut and make pores in the epithelial cells.This causes the death of insect.