Discussion
Home ‣ Microbiology ‣ Bacteria Morphology Comments
- Question
The common word for bacteria which are helically curved rods is
Options- A. cooci
- B. pleomorphic
- C. bacillus
- D. spirilla
- Correct Answer
- spirilla
- 1. The structure responsible for motility of bacteria is
Options- A. pilli
- B. flagella
- C. sheath
- D. capsules Discuss
- 2. Microcapsules are composed of
Options- A. proteins
- B. polysaccharides
- C. lipids
- D. all of these Discuss
- 3. The next to last step in peptidoglycan biosynthesis is
Options- A. synthesis of the NAM-peptide subunit
- B. removal of the subunit from bactoprenol
- C. linking the sugar of the disaccharide-peptide unit to the growing peptidoglycan chain
- D. cross-linking the peptide side chains of peptidoglycan Discuss
- 4. A cluster of polar flagella is called
Options- A. lophotrichous
- B. amphitrichous
- C. monotrichous
- D. petritrichous Discuss
- 5. Which of the following does not contain protein?
Options- A. Pili
- B. Flagellum
- C. Lipoteichoic acid
- D. Porin Discuss
- 6. Swimming towards a chemical of bacteria is termed as
Options- A. positive chemotaxis
- B. negative chemotaxis
- C. phototaxis
- D. magnetotaxis Discuss
- 7. Which of the following is analogous to mesosomes of bacteria?
Options- A. Mitochondria of eukaryotes
- B. Golgi apparatus of eukaryotes
- C. Lysosomes of eukaryotes
- D. None of these Discuss
- 8. 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
- 9. Peptidoglycan is found only in the bacterial
Options- A. cell membrane
- B. glycocalyx
- C. cell wall
- D. spore Discuss
- 10. 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
Bacteria Morphology problems
Search Results
Correct Answer: flagella
Correct Answer: all of these
Correct Answer: linking the sugar of the disaccharide-peptide unit to the growing peptidoglycan chain
Correct Answer: lophotrichous
Correct Answer: Lipoteichoic acid
Correct Answer: positive chemotaxis
Correct Answer: Mitochondria of eukaryotes
Correct Answer: Pore protein (porin)
Correct Answer: cell wall
Correct Answer: O-antigen of lipopolysaccharide (LPS)
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