MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Mark the process which does not involve in histone modification? |
| A. | Acetylation |
| B. | Methylation |
| C. | Phosphorylation |
| D. | Dehydration |
| Answer» E. | |
| 2. |
Name the protein, which maintained the condensed structure of chromosomes. |
| A. | HSP |
| B. | SMC |
| C. | Collagen |
| D. | Elastin |
| Answer» C. Collagen | |
| 3. |
What are protamines? |
| A. | Large size DNA |
| B. | Sequences that are unique |
| C. | Histone like protein found in fish sperm |
| D. | Highly repetitive DNA |
| Answer» D. Highly repetitive DNA | |
| 4. |
Name the basic structural unit of chromatin, which is described by R.Kornberg? |
| A. | Scaffold protein |
| B. | Solenoid |
| C. | 30nm fiber |
| D. | Nucleosome |
| Answer» E. | |
| 5. |
Which of the following phase is involved in the conversion of chromatin to chromosome? |
| A. | S- phase |
| B. | M- phase |
| C. | G2- phase |
| D. | G1- phase |
| Answer» C. G2- phase | |
| 6. |
Name the unit of replication? |
| A. | DNA |
| B. | Gene |
| C. | Replicon |
| D. | Chromosome |
| Answer» D. Chromosome | |
| 7. |
Name the part of a chromosome where t-loop is found. |
| A. | Telomere |
| B. | Centromere |
| C. | Acromere |
| D. | Tetraplex |
| Answer» B. Centromere | |
| 8. |
Which of the following is less condensed, less stained portion of chromatin? |
| A. | Metaphase |
| B. | Interphase |
| C. | Heterochromatin |
| D. | Euchromatin |
| Answer» E. | |
| 9. |
Centromere is located exactly at the center of the chromosomes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Structure of DNA and protein found in the nucleus of eukaryotic cells___________ |
| A. | Nucleic acid |
| B. | Nucleosome |
| C. | Chromatin |
| D. | Tetraplex |
| Answer» D. Tetraplex | |