MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of this mutagen can lead to both AT->GC and GC->AT transition? |
| A. | Ethydium bromide |
| B. | 5 Bromo uracil |
| C. | MMS |
| D. | NH<sub>2</sub>OH |
| Answer» C. MMS | |
| 2. |
In an experiment to check mutagenicity of a substance, we feed the mutagen to a rat and then use the rat _______ extract within the media. This ensures_____________ |
| A. | Kidney; the mutagen can be at a higher concentration |
| B. | Liver; the media has adequate iron from rat RBC |
| C. | Liver; the mutagen is processed |
| D. | Kidney; the mutagen is broken down |
| Answer» D. Kidney; the mutagen is broken down | |
| 3. |
In Ames test, the bacterial culture are grown in _________ |
| A. | Natural media |
| B. | Blood agar |
| C. | Enriched media |
| D. | Minimal media |
| Answer» E. | |
| 4. |
Which of the following mutation will lead to AT->GC transition? |
| A. | Nitrous acid acting on A |
| B. | Nitrous acid on C |
| C. | Hydroxylation of C |
| D. | Methylation of G |
| Answer» B. Nitrous acid on C | |
| 5. |
You are studying a mutational hot spot in the promoter region of a gene. Which type of mutation will you expect the most in this case? |
| A. | Deamination |
| B. | Depurination |
| C. | Methylation |
| D. | Frame shift |
| Answer» B. Depurination | |