Corynebacterium diphtheriae toxigenicity – MCQ

All of the following statements regarding Corynebacterium diphtheriae are true, except?
A. It can be identified by using tests for toxigenicity
B. The toxin inhibits protein synthesis
C. Toxin has adverse effects on cardiovascular and nervous systems
D. Native chromosome is responsible for toxin production

Correct answer : D. Native chromosome is responsible for toxin production

Toxin production is mediated by toxigenic bacteriophages. The gene is transmitted via transduction.