Gram-negative cocci is: (A) Nisseria, (B) Helicobactor, (C) Cholera, (D) Campylobactor
Answer is A. Neisseria is a gram-negative coccus typically arranged in pairs. Vibrio cholerae are gram-negative, curved bacilli. Campylobacter is gram-negative rods, typically comma-shaped. Helicobacter is a gram-negative spiral rod. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 230