What is true about Bt toxin? | CGP Edu

Biology Biotechnology Principles and Processes Previous Year Questions Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

What is true about Bt toxin?

A

The concerned Bacillus has antitoxins

B

The inactive protoxin gets converted into active form in the insect gut

C

Bt protein exists as active toxin in the Bacillus

D

The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication

Text Solution

Verified by Experts

The correct answer is:

Bt toxin is produced by Bacillus thuringiensis as an inactive protoxin. In the alkaline gut of insects, it gets activated and then kills the insect by damaging gut cells.

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