What is true for Bt-toxin:-
| A. |
Bt-toxin protein exist as active toxin in bacterium |
| B. |
Bt-toxin is converted in to an active toxin due to acidic pH of gut of insect |
| C. |
Bt-toxin is converted in to an active toxin due to alkaline pH of gut of insects |
 |
| D. |
Bt-toxin is formed by Biotechnology |