MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following bacteria requires nicotinic acid as a growth factor in their media? |
| A. | Proteus vulgaris |
| B. | Nitrosomonas sp. |
| C. | E. coli |
| D. | Leuconostoc mesenteroides |
| Answer» B. Nitrosomonas sp. | |
| 2. |
Which of the following are functions of Maintenance Media? |
| A. | used for assay of vitamins, amino acids |
| B. | used for determining the bacterial content |
| C. | used for determining the type of growth produced by bacteria |
| D. | used for the maintenance of the viability and physiological characteristics |
| Answer» E. | |
| 3. |
Which of the following is a Complex media for fungal growth?a) Nutrient brothb) Luria-Bertani mediac) Potato Dextrose Agar(PD |
| A. | Nutrient broth |
| B. | Luria-Bertani media |
| C. | Potato Dextrose Agar(PDA) media |
| D. | Mac Conkey Agar media |
| Answer» D. Mac Conkey Agar media | |
| 4. |
WHICH_OF_THE_FOLLOWING_ARE_FUNCTIONS_OF_MAINTENANCE_MEDIA??$ |
| A. | used for assay of vitamins,amino acids |
| B. | used for determining the bacterial content |
| C. | used for determining the type of growth produced by bacteria |
| D. | used for the maintenance of the viability and physiological characteristics |
| Answer» E. | |
| 5. |
Which_of_the_following_bacteria_requires_nicotinic_acid_as_a_growth_factor_in_their_media?$ |
| A. | Proteus vulgaris |
| B. | Nitrosomonas sp. |
| C. | E. coli |
| D. | Leuconostoc mesenteroides |
| Answer» B. Nitrosomonas sp. | |
| 6. |
Which of the following is a Complex media for fungal growth? |
| A. | Nutrient broth |
| B. | Luria-Bertani media |
| C. | Potato Dextrose Agar(PDA) media |
| D. | Mac Conkey Agar media |
| Answer» D. Mac Conkey Agar media | |
| 7. |
Colony formation can be observed in liquid media broth. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following instrument is used for sterilizing the media after it has been prepared? |
| A. | Autoclave |
| B. | Laminar Air Flow Chamber |
| C. | Inoculum Needle |
| D. | Incubator |
| Answer» B. Laminar Air Flow Chamber | |
| 9. |
Nutrient broth, a liquid media contains beef extract and peptone respectively in how much amounts? |
| A. | 0.2%, 0.4% |
| B. | 0.1%, 0.6% |
| C. | 0.3%, 0.5% |
| D. | 0.7%, 0.3% |
| Answer» D. 0.7%, 0.3% | |
| 10. |
The isolation of gonorrhea-causing organism, Neisseria gonorrhoeae by the use of certain antibiotics in media is an example of which of the following? |
| A. | Selective media |
| B. | Differential media |
| C. | Enriched media |
| D. | Assay media |
| Answer» B. Differential media | |
| 11. |
Which of the following is a rich source of B vitamins? |
| A. | Peptone |
| B. | Yeast extract |
| C. | Beef extract |
| D. | Agar |
| Answer» C. Beef extract | |
| 12. |
Which of the following is used as a solidifying agent for media? |
| A. | Beef extract |
| B. | Peptone |
| C. | Agar |
| D. | Yeast extract |
| Answer» D. Yeast extract | |
| 13. |
Which of the following is a characteristic of beef extract? |
| A. | product resulting from the digestion of proteinaceous materials |
| B. | aqueous extract of lean beef tissue |
| C. | aqueous extract of yeast cells |
| D. | complex carbohydrate obtained from certain marine algae |
| Answer» C. aqueous extract of yeast cells | |