MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 the following is directly correlated to polyribosomal synthesis in leptotene stage? |
| A. | RNA synthesis |
| B. | Protein synthesis |
| C. | Protein turnover |
| D. | Protein function |
| Answer» E. | |
| 2. |
Choose the wrong statement out. |
| A. | The leptotene chromosomes are arranged around an axis |
| B. | The chromosomes form loops |
| C. | The unbranched loops are lateral |
| D. | Lateral filaments composed of two independent protein fibrils, one for each chromatid. |
| Answer» D. Lateral filaments composed of two independent protein fibrils, one for each chromatid. | |
| 3. |
During leptotene there are ___________polyribosomes and ___________ ER vesicles in cytoplasm. |
| A. | Few, many |
| B. | Many, few |
| C. | Few, Few |
| D. | Many, Many |
| Answer» C. Few, Few | |
| 4. |
CHOOSE_THE_WRONG_STATEMENT_OUT.?$ |
| A. | The leptotene chromosomes are arranged around an axis |
| B. | The chromosomes form loops |
| C. | The unbranched loops are lateral |
| D. | Lateral filaments composed of two independent protein fibrils, one for each chromatid. |
| Answer» D. Lateral filaments composed of two independent protein fibrils, one for each chromatid. | |
| 5. |
Which_of_the_following_is_directly_correlated_to_polyribosomal_synthesis_in_leptotene_stage?$ |
| A. | RNA synthesis |
| B. | Protein synthesis |
| C. | Protein turnover |
| D. | Protein function |
| Answer» E. | |
| 6. |
During leptotene there are ___________polyribosomes and ___________ ER vesicles in cytoplasm? |
| A. | Few, many |
| B. | Many, few |
| C. | Few, Few |
| D. | Many, Many |
| Answer» C. Few, Few | |
| 7. |
Which of the following is not true for leptotene phase? |
| A. | It is a short phase |
| B. | Chromosomes have beads on a string appearance |
| C. | Longitudinal double nature of chromosome starts to appear |
| D. | Bouquet like structure is formed |
| Answer» D. Bouquet like structure is formed | |
| 8. |
Lillium, a plant, will lack bouquet structure in letotene. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The leptotene Bouquet stage is seen in ______________ |
| A. | Plants |
| B. | Bacteria |
| C. | Yeast |
| D. | Insect |
| Answer» E. | |
| 10. |
Which of the following is true for pre-leptotene phase? |
| A. | Chromosome compaction |
| B. | Pairing of homologous |
| C. | Marked increase in nuclear volume |
| D. | Disappearance of nuclear membrane |
| Answer» D. Disappearance of nuclear membrane | |
| 11. |
The reduction division of mitosis is _________________ |
| A. | The 1<sup>st</sup> division |
| B. | The 2<sup>nd</sup> division |
| C. | The G2 phase |
| D. | The telophase |
| Answer» B. The 2<sup>nd</sup> division | |
| 12. |
In haploid organism meiosis takes place in _____________ |
| A. | Somatic cell |
| B. | Zygote |
| C. | Gamete |
| D. | Egg |
| Answer» C. Gamete | |
| 13. |
Meiosis is called reduction division. |
| A. | True |
| B. | False |
| Answer» B. False | |