<prompt> Clostridium tetani isGram positive bacilliGram negative bacilliGram positive cocciGram negative cocci  <response>: Clostridium tetani is a gram-positive, slender bacillus. It occurs singly and occasionally in chains. The spores are spherical, terminal and bulging, giving the bacillus the characteristic drumstick appearance. Reference: Textbook of Microbiology; Anathanarayan and panikers; 10th edition; Page no: 264 