Q. $Cry$ I endotoxins obtained from $Bacillus\ thuringiensis$ are effective against
A) Flies
B) Mosquitoes
C) Worms
D) Nematodes
Explanation
The toxin is coded by a gene called ‘cry’. Bt toxin gene has been isolated from a bacterium Bacillus thuringiensis, $e.g.,\$proteins encoded by the genes cry I Ac and cry II Ab control the cotton bollworms and that of cry I Ab control corn borer
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.