MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The synaptonemal complex is a portentous complex, which of the protein is not present in it? |
| A. | Rec 11 |
| B. | Cohesins |
| C. | Actin |
| D. | Zip 1 |
| Answer» D. Zip 1 | |
| 2. |
The pairing of the chromosome is mediated by _______________ interactions. |
| A. | Hydrophilic |
| B. | Hydrophobic |
| C. | Covalent |
| D. | Electrostatic |
| Answer» E. | |
| 3. |
The zygosome has ________________ head and _________ tail connecting to the opposite zygosome. |
| A. | Straight, straight |
| B. | Folded, folded |
| C. | Folded, straight |
| D. | Straight, folded |
| Answer» D. Straight, folded | |
| 4. |
Which of the following doesn’t lead to pairing in meiosis? |
| A. | 0.3% DNA replication that was left after S phase |
| B. | Retardation factor |
| C. | Turbulence factor |
| D. | Precocity factor |
| Answer» D. Precocity factor | |
| 5. |
THE_PAIRING_OF_THE_CHROMOSOME_IS_MEDIATED_BY_________________INTERACTIONS.?$ |
| A. | Hydrophilic |
| B. | Hydrophobic |
| C. | Covalent |
| D. | Electrostatic |
| Answer» E. | |
| 6. |
The_synaptonemal_complex_is_a_portentous_complex,_which_of_the_protein_is_not_present_in_it?$ |
| A. | Rec 11 |
| B. | Cohesins |
| C. | Actin |
| D. | Zip 1 |
| Answer» D. Zip 1 | |
| 7. |
The zygosome has ________________ head and _________ tail connecting to the opposite zygosome? |
| A. | Straight, straight |
| B. | Folded, folded |
| C. | Folded, straight |
| D. | Straight, folded |
| Answer» D. Straight, folded | |
| 8. |
During pairing of the chromosomes which of the following is not true? |
| A. | There are 3 lateral filaments A, B, C |
| B. | The A point pairs with adjacent A of other chromatid |
| C. | The B point pairs with adjacent B of other chromatid |
| D. | The C point pairs with C |
| Answer» C. The B point pairs with adjacent B of other chromatid | |
| 9. |
Which of the following is incorrect about lateral filaments? |
| A. | The lateral filaments are composed of chromatids |
| B. | They can be spaced as much as 100-125 nm apart |
| C. | The lateral filaments have DNA elements along with RNA and Proteins |
| D. | The lateral filaments are connected by longitudinal connections |
| Answer» E. | |
| 10. |
The fibers of the lateral filament are called____________ |
| A. | Synaptomes |
| B. | Synaptomere |
| C. | Synaptic clefts |
| D. | Synaptososome |
| Answer» C. Synaptic clefts | |
| 11. |
The synaptonemal complex has ____________ filaments. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 12. |
What is the size of each fiber of the synaptonemal complex? |
| A. | 5 nm |
| B. | 10 nm |
| C. | 15 nm |
| D. | 20 nm |
| Answer» C. 15 nm | |
| 13. |
The uncoiling of chromosomal relics leads to pairing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Which of the following doesn’t lead to pairing in meiosis? |
| A. | 0.3% DNA replication that was left after S phase |
| B. | Retardation factor |
| C. | Turbulence factor |
| D. | Precocity factor |
| Answer» D. Precocity factor | |