Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Biotechnology
The bacteria producing the Bt-toxin are not killed by it because
1
bacteria are resistant to the toxin
2
toxin is immature
3
toxin is inactive
4
More than one of the above
5
None of the above