Question

Bt toxin is produced by a bacterium called ______

• A. Bacillus thuringiensis
• B. Bacillus anthracis
• C. Bacillus thermophilus
• D. Bacillus subtilis

Answer 1

Answer:

A. Bacillus thuringiensis

Bt stands for Bacillus thuringiensis. It is a bacterium that produces Bt toxin. In plants the gene of this toxin provides resistance against insects, thus there is no need for spraying insecticides on plants.