Q. What is true about Bt toxin?
A) The inactive protoxin gets converted into active form in the insect gut
B) Bt protein exists as active toxin in the Bacillus
C) The activated toxin enters the ovaries of the pest to sterilize it and thus, prevent its multiplication
D) The concerned Bacillus has antitoxins
Explanation
Bacillus thuringiesis toxin is an inactive protoxin, which gets converted into active form in the insect gut. It works as an insecticide.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.