Home Biology Biotechnology and Its Application NCERT A protoxin is
Biology Biotechnology and Its Application NCERT Single Correct MCQ
Published on: August 21, 2026

A protoxin is

A
A primitive toxin
B
A denatured toxin
C
Toxin produced by protozoa
D
Inactive toxin

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Verified by Experts
The correct answer is:
D

A protoxin is an inactive form of a toxin that becomes active only under specific conditions (e.g., Bt protoxin is activated in the alkaline gut of insects).

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