Biology Lab: The poisonous wastes of diptheria germs are called (A) antitoxins (B) antibodies (C) immunities (D) toxins Solution Biology Lab ANS: (D) toxins Explanation: A toxin is a poisonous substance which produced by some bacteria or an organism Diphtheria is mainly caused by the corynebacterium diphtheriae bacteria. It is a gram positive, non-endospore forming, pleiomorphic bacteria. Poisonous wastes of diptheria germs (C.diphtheriae) can produce diphtheria toxin. It causes sore throat and fever. This toxins prevents protein synthesis and causes cell death..