RE-NEET2026Zoology-Biotechnology
RE-NEET 2026 Zoology Bt Toxin MCQ Question
Type: MCQ-conceptual-Medium
The inactive form of Bt toxin is converted to the active form in the insect gut
A
due to acidic pH
B
by proteases
C
by nucleases
D
due to alkaline pH
Correct Answer
Option D
Detailed Explanation
The alkaline pH in the insect gut activates the Bt toxin by solubilizing the protoxin crystals.
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