What is true about Bt toxin?

Options

A. The inactive protoxin gets converted into active form in the insect gut
B. Bt proteins exists as active toxin in the Bacillus
C. The activated toxin enters the ovaries of the pest to sterillse it and thus, prevent its multiplication
D. The concerned Bacillus has antitoxins

Answer

A

Explanation

Bacillus thuringiensis toxin is an inactive protoxin, which gets converted into active form in the insect gut. It works as an insecticide.