Home Biology Biotechnology and Its Application NCERT Choose the correct option for a protoxin.
Biology Biotechnology and Its Application NCERT Single Correct MCQ
Published on: August 20, 2026

Choose the correct option for a protoxin.

A
It is a primitive toxin
B
It is a denatured toxin
C
This toxin is produced by protozoans
D
It is an inactive toxin

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Verified by Experts
The correct answer is:
D

A protoxin is a precursor form of a toxin that is inactive until it is converted to an active form, like the Bt protoxin in Bacillus thuringiensis.

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