The common word for bacteria which are straight rod in shape is spirilla pleomorphic bacilli cooci TRUE ANSWER : ? YOUR ANSWER : ?
Which is most likely to be exposed on the surface of a gram-negative bacterium? Lipoteichoic acid Protein involved in energy generation Pore protein (porin) Phospholipids TRUE ANSWER : ? YOUR ANSWER : ?
Chemically the capsule may be either (a) or (b) polypeptide none of these polysaccharide TRUE ANSWER : ? YOUR ANSWER : ?
Flagella move the cell by an individual flagellum beating in a whip-like motion spinning like a propeller attaching to nearby particles and contracting many flagella beating in a synchronous, whip-like motion TRUE ANSWER : ? YOUR ANSWER : ?
The cocci which forms a chain is Staphylococci diplococci Tetracocci Streptococci TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following may contain fimbriae? Gram-negative bacteria None of these Both (a) and (b) Gram-positive bacteria TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has peptidoglycan as a major constituent of cell wall? Gram-negative bacteria Gram-positive bacteria None of these Fungi TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following does not contain protein? Pili Flagellum Porin Lipoteichoic acid TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? Mycoplasmas Spirochetes Cyanobacteria Bdellovibrios TRUE ANSWER : ? YOUR ANSWER : ?
Peptidoglycan accounts for __________ of the dry weight of cell wall in many gram positive bacteria 50% or more 11%+ 0.22% About 20% About 10% TRUE ANSWER : ? YOUR ANSWER : ?