In vitro test for enterotoxin -: (A) Mac Conckey's culture, (B) Blood agar culture, (C) Rabbit ileal loop culture, (D) None
Answer is D. Ans. is 'd' i.e., None . MacConKey's and blood agar culture are not used for detection of enterotoxin. . Rabbit ileal loop culture is in vivo test (not in vitro)