RE-NEET2026Zoology-Biotechnology

RE-NEET 2026 Zoology Bt Toxin MCQ Question

Type: MCQ-conceptual-Medium-Class 12

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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