MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Food most often associated with emetic type of food poisoning caused by , is |
| A. | Meat |
| B. | Rice |
| C. | Milk |
| D. | Eggs |
| Answer» C. Milk | |
| 2. |
Antibodies to which of the following antigens of are protective? |
| A. | Capsular polypeptide |
| B. | Somatic polysaccharide |
| C. | Anthrax toxin |
| D. | None of these |
| Answer» D. None of these | |
| 3. |
The bacteria, used to examine the efficacy of autoclave, is |
| A. | <i>B polymyxa</i> |
| B. | <i>B brevis</i> |
| C. | <i>Bacillus stearothermophilus</i> |
| D. | <i>B megaterium</i> |
| Answer» D. <i>B megaterium</i> | |
| 4. |
Antibodies to which of the following antigens of Bacillus anthracis are protective? |
| A. | Capsular polypeptide |
| B. | Somatic polysaccharide |
| C. | Anthrax toxin |
| D. | None of these |
| Answer» D. None of these | |
| 5. |
The test(s) which can be used to differentiate anthrax bacilli from anthracoid bacilli is/are |
| A. | presence of medusa-head colony |
| B. | presence of capsule |
| C. | susceptibility to gamma phage |
| D. | all of these |
| Answer» E. | |
| 6. |
Food most often associated with emetic type of food poisoning caused by Bacillus cereus, is |
| A. | Meat |
| B. | Rice |
| C. | Milk |
| D. | Eggs |
| Answer» C. Milk | |
| 7. |
Medusa head appearance of the colonies may be due to |
| A. | <i>Bacillus anthracis</i> |
| B. | <i>Proteus mirabilis</i> |
| C. | <i>Clostridium tetani</i> |
| D. | <i>Pseudomonas aeruginosa</i> |
| Answer» B. <i>Proteus mirabilis</i> | |
| 8. |
Koch's postulates were satisfied for the first time with |
| A. | <i>Clostridium tetani</i> |
| B. | <i>Corynebacterium diphtheriae</i> |
| C. | <i>Bacillus anthracis</i> |
| D. | <i>Salmonella typhi</i> |
| Answer» D. <i>Salmonella typhi</i> | |
| 9. |
Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of |
| A. | tetanus |
| B. | anthrax |
| C. | typhoid |
| D. | cholera |
| Answer» C. typhoid | |
| 10. |
McFadyean's reaction is employed for the presumptive diagnosis of |
| A. | anthrax |
| B. | tetanus |
| C. | typhoid |
| D. | all of these |
| Answer» B. tetanus | |