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- Question
The cocci which forms a bunch and irregular pattern are
Options- A. Staphylococci
- B. diplococci
- C. Tetracocci
- D. Streptococci
- Correct Answer
- Staphylococci
- 1. Genetic system is located in the prokaryotes in
Options- A. nucleoid
- B. chromatin
- C. nuclear material
- D. all of these Discuss
- 2. Which of the following has peptidoglycan as a major constituent of cell wall?
Options- A. Gram-negative bacteria
- B. Gram-positive bacteria
- C. Fungi
- D. None of these Discuss
- 3. Periplasm is
Options- A. the area between the inner and outer membranes of gram-negative bacteria
- B. the area between the inner and outer membranes of Gram-positive bacteria
- C. the interior portion of mitochondria
- D. the area outside the cell membrane that is influenced by the polymers Discuss
- 4. Which of the following is true about cell wall of gram-positive bacteria?
Options- A. It consists of multiple layers
- B. It is thicker than that associated with gram-negative bacteria
- C. It contains teichoic acids
- D. All of these Discuss
- 5. Peptidoglycan is also known as
Options- A. N-acetyl muramic acid
- B. murein mucopeptide
- C. N acetylglucosamine
- D. mesodiaminopimetic acid Discuss
- 6. Which of the following bacteria dies quickly after drying?
Options- A. Treponema pallidium
- B. Mycobacterium tuberculosis
- C. Staphylococcus aureus
- D. Pseudomonas aeruginosa Discuss
- 7. Pseudomonas aeruginosa forms a blue water soluble pigment called
Options- A. pyocyanin
- B. chlororaphin
- C. pyoverdin
- D. ?-carotene Discuss
- 8. For the selection of lactobacilli present in cheddar cheese, the pH of the medium is maintained at
Options- A. 6.35
- B. 5.35
- C. 4.35
- D. 5.75 Discuss
- 9. A medium containing crystal violet dye plus sodium deoxycholate will allow
Options- A. gram (-)ve intestinal bacteria to grow
- B. gram (+)ve intestinal bacteria to grow
- C. aquatic bacteria to grow
- D. none of these Discuss
- 10. Which of the following problem makes it impossible to satisfy all of Koch's postulates?
Options- A. Microorganism causes serious symptoms in humans
- B. Microorganism cannot be isolated in pure culture
- C. Species of microorganism is in question
- D. Genes from the microorganism cannot be amplified by PCR Discuss
Bacteria Morphology problems
Search Results
Correct Answer: all of these
Correct Answer: Gram-positive bacteria
Correct Answer: the area between the inner and outer membranes of gram-negative bacteria
Correct Answer: All of these
Correct Answer: murein mucopeptide
Correct Answer: Treponema pallidium
Correct Answer: pyocyanin
Correct Answer: 5.35
Correct Answer: gram (-)ve intestinal bacteria to grow
Correct Answer: Microorganism cannot be isolated in pure culture
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