Q. Consider the following statements about $Bt$ I. The bacteria $Bacillus\ thuringiensis\ (Bt)$ are used to control butterfly catterpillers II. Fresh spores of $Bt$ are mixed with water and sprayed on seeds such as brassicas and fruit trees III. Insect larvae, after eating these are killed by the toxin released in their gut IV. $Bt$ toxin genes have been introduced into plants to provide resistance to pests Which of the statements given above are correct?
A) I, II and III
B) I, III and IV
C) II, III and IV
D) I, II, III and IV
Explanation
All statements are correct Fresh spores of Bt are mixed with water and sprayed on plants such as brassicas and fruit trees
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.