- A) To increase the sample size
- B) To improve the accuracy of results
- C) To test different types of bacteria
- D) To estimate bacteria concentration
Microbiology MCQ
Total MCQ: 174
MCQ Quiz on Microbiology
Quiz Leaderboard
1st
Sourav
Score: 90%
Questions: 20
2nd
Priyanka
Score: 90%
Questions: 10
3rd
Vesnce
Score: 45%
Questions: 20
4th
Hector
Score: 40%
Questions: 10
22 Which of the following is NOT a common application of the MPN test?
- A) Water quality testing
- B) Dairy product safety
- C) Air quality monitoring
- D) Food safety testing
23 What does the MPN test primarily measure?
- A) Total coliform bacteria
- B) E. coli presence
- C) Fecal coliform bacteria
- D) Yeast contamination
24 Plasma cell formation is initiated in –
- A) Primary follicle
- B) Secondary follicle
- C) Germinal centre
- D) Marginal zone
25 Adjuvant increase all of the following except —
- A) Number of antigen molecules
- B) Time of exposure
- C) Processing of antigen
- D) Inflammatory response
26 B-cell recognizes –
- A) Internal epitopes
- B) Surface epitopes
- C) Hydrophobic epitopes
- D) Agretopes
27 MHC plays an important role in all except –
- A) Tissue transplantation
- B) Blood transfusion
- C) Antigen presentation
- D) T-cell response
28 Proteasome is required for processing of antigens, which will be –
- A) MHC-I
- B) MHC-I
- C)
- D)
29 Which of the following WBC cannot phagocytose –
- A) Neutrophil
- B) Basophil
- C) TCR
- D) BCR
30 Which of the following includes the most likely change in the coloration of the beetle population after pollution and a correct rationale for the change?
- A) The coloration range shifted toward more light-colored beetles, as in diagram I. The pollution helped the predators find the darkened tree trunks.
- B) The coloration in the population split into two extremes, as in diagram II. Both the lighter-colored and the darker-colored beetles were able to hide on the darker tree trunks.
- C) The coloration range became narrower, as in diagram III. The predators selected beetles at the color extremes.
- D) The coloration in the population shifted toward more darker-colored beetles, as in diagram IV. The lighter-colored beetles were found more easily by the predators than were the darker-colored beetles.