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Home ‣ Microbiology ‣ Antigen Antibody Reaction See What Others Are Saying!
- Question
Agglutination reaction is more sensitive than precipitation for the detection of
Options- A. antigens
- B. antibodies
- C. complement
- D. antigen-antibody complexes
- Correct Answer
- antigens
- 1. An organism is completely dependent on atmospheric O2 for growth. This organism is
Options- A. osmotolerant
- B. acidophile
- C. facultative anaerobe
- D. obligate aerobe Discuss
- 2. Saprozoic nutrition is characterized by
Options- A. phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
- B. pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
- C. encystment of solid nutrients and subsequent formation of secretory vacuoles
- D. pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles Discuss
- 3. 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
- 4. Plate count of bacteria in foods generally use the plating medium consisting of
Options- A. peptone, yeast extract, glucose, sodium chloride, agar and distilled water
- B. yeast extract, glucose, sodium chloride, agar and distilled water
- C. peptone, glucose, sodium chloride, agar and distilled water
- D. peptone, yeast extract, glucose, sodium chloride and distilled water Discuss
- 5. Fungi in the division Deuteromycota are characterized by the fact that
Options- A. they only reproduce sexually
- B. they form sexual spores called deuterospores
- C. they are incapable of sexual reproduction
- D. a method of sexual reproduction has not been identified Discuss
- 6. The role of bacteriophyll in an oxygenic photosynthesis is to
Options- A. reduce ferridoxin directly
- B. reduce NADP directly
- C. use light energy to energize an electron
- D. transfer electrons to an intermediate in the sulfide oxidation pathway Discuss
- 7. Which of the following specimens contain/s hepatitis B virus in an infected person?
Options- A. Blood
- B. Semen
- C. Saliva
- D. All of these Discuss
- 8. Cheese with too low an acidity because of the addition of cream or the failure of the starter often is made gelatinous or slimy by
Options- A. Pseudomonas
- B. P. fragi
- C. Alcaligenes metalcaligenes
- D. all of these Discuss
- 9. The disease(s) caused by genus Orthopoxvirus is/are
Options- A. Vaccinia
- B. Smallpox
- C. Cowpox
- D. All of these Discuss
- 10. __________ produce zygospores.
Options- A. Slime molds
- B. Dimorphic fungi
- C. Club fungi
- D. Black bread molds Discuss
More questions
Correct Answer: obligate aerobe
Correct Answer: pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
Correct Answer: Gram-positive bacteria
Correct Answer: peptone, yeast extract, glucose, sodium chloride, agar and distilled water
Correct Answer: a method of sexual reproduction has not been identified
Correct Answer: use light energy to energize an electron
Correct Answer: All of these
Correct Answer: all of these
Correct Answer: All of these
Correct Answer: Black bread molds
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