MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following microorganism produces colicins in the intestine? |
| A. | E.coli |
| B. | B.subtilis |
| C. | Clostridium botulinum |
| D. | Streptococcus salivarius |
| Answer» B. B.subtilis | |
| 2. |
Where does the Streptococcus mutans adhere to the body site? |
| A. | intestinal tract |
| B. | tongue |
| C. | teeth |
| D. | hairs |
| Answer» D. hairs | |
| 3. |
How many day-old embryonated eggs were used by Reyniers to rear first germ-free animals? |
| A. | 20 |
| B. | 50 |
| C. | 2 |
| D. | 7 |
| Answer» B. 50 | |