Question Detail
Question
What is the natural insect toxin produced by Bacillus thuringiensis (Bt), which serves as the basis for Bt crops?
Correct Answer
Option D is the correct answer.
Detailed Explanation
Page 7, under 'BIOPESTICIDES & SOIL HEALTH', states 'Bacillus thuringiensis (Bt) — natural insect toxin; basis of Bt crops.' The toxin itself is commonly referred to as Bt toxin.
Hint
The question asks for the toxin *from* Bt, which shares part of its name.