STANDARDZoology-Biotechnology Applications
STANDARD Zoology Bt Crops MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Crystals of Bt-toxin produced by some bacteria do not kill the bacteria themselves because
A
Bacteria are resistant to the toxin
B
Toxin is immature
C
Toxin is inactive
D
Bacteria encloses toxin in a special sac
Correct Answer
Option C
Detailed Explanation
Bt-toxin is produced in an inactive form and becomes active only in the alkaline environment of the insect gut.
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