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- Question
The other name for peptidoglycan is
Options- A. mucopeptide
- B. murein
- C. both (a) & (b)
- D. none of these
- Correct Answer
- both (a) & (b)
- 1. Which of the following has Chinese letter arrangement?
Options- A. Bacillus anthracis
- B. Mycobacterium tuberculosis
- C. Clostridium tetani
- D. Corynebacterium diphtheriae Discuss
- 2. Cyanobacteria have
Options- A. a gram-positive cell wall
- B. a gram-negative cell wall
- C. Neither (a) nor (b)
- D. No cell wall Discuss
- 3. Which of the following is exposed on the outer surface of a gram-negative bacterium?
Options- A. O-antigen of lipopolysaccharide (LPS)
- B. Polysaccharide portion of lipoteichoic acid (LTA)
- C. Braun lipoprotein
- D. Electron transport system components Discuss
- 4. Peptidoglycan is found only in the bacterial
Options- A. cell membrane
- B. glycocalyx
- C. cell wall
- D. spore Discuss
- 5. Which is most likely to be exposed on the surface of a gram-negative bacterium?
Options- A. Pore protein (porin)
- B. Protein involved in energy generation
- C. Lipoteichoic acid
- D. Phospholipids Discuss
- 6. The common word for bacteria which are straight rod in shape is
Options- A. cooci
- B. bacilli
- C. spirilla
- D. pleomorphic Discuss
- 7. The cell walls of Gram positive bacteria contain two modified sugar, viz. N- acetylgucosamine (NAG) and N- acetylmuramic acid (NAM). They are covalently linked by
Options- A. ?- 1,4-glycosidic bond
- B. ?-1,6-glycosidic bond
- C. ?- 1,6-glycosidic bond
- D. ?- 1,4-glycosidic bond Discuss
- 8. Chemically the capsule may be
Options- A. polypeptide
- B. polysaccharide
- C. either (a) or (b)
- D. none of these Discuss
- 9. The cell wall of
Options- A. gram-positive bacteria are thicker than gram-negative bacteria
- B. gram-negative bacteria are thicker than gram-positive bacteria
- C. both have same thickness but composition is different
- D. none of these Discuss
- 10. The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as
Options- A. lipase
- B. lysozyme
- C. pectinase
- D. peroxidase Discuss
Bacteria Morphology problems
Search Results
Correct Answer: Corynebacterium diphtheriae
Correct Answer: a gram-negative cell wall
Correct Answer: O-antigen of lipopolysaccharide (LPS)
Correct Answer: cell wall
Correct Answer: Pore protein (porin)
Correct Answer: bacilli
Correct Answer: ?- 1,4-glycosidic bond
Correct Answer: either (a) or (b)
Correct Answer: gram-positive bacteria are thicker than gram-negative bacteria
Correct Answer: lysozyme
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