MCQ IN MEDICINE

Detailed explanation-1: -Cocci Bacteria: Definition. Any bacteria or archaeon with an ovoid, spherical-shaped bacteria or usually round shaped bacteria is called a coccus (plural cocci). Bacteria are divided into three groups based on their coccus shape: bacillus (rod-shaped), cocci (spherical shaped bacteria), and spirochetes (spiral-shaped).

Detailed explanation-2: -A coccus (plural cocci) is any bacterium or archaeon that has a spherical, ovoid, or generally round shape. It is one of the three distinct bacterial shapes, the other two being bacillus (rod-shaped) and spiral-shaped cells.

Detailed explanation-3: -Bacteria are commonly classified as rods, curved cells, or spheres (cocci).

Detailed explanation-4: -Even among genera with the suffix ‘cocci’, which are the focus of this review, different shapes exist. While staphylococci or Neisseria cells, for example, are truly round-shaped, streptococci, lactococci or enterococci have an ovoid shape.