MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the structure given below. |
| A. | Centrosomes |
| B. | Asters |
| C. | Centromeres |
| D. | Chromatin |
| Answer» C. Centromeres | |
| 2. |
What is the shape of a kinetochore? |
| A. | Disc-shaped |
| B. | Cylindrical |
| C. | Spherical |
| D. | Triangular |
| Answer» B. Cylindrical | |
| 3. |
In which phase of mitosis can the chromosomes be studied easily? |
| A. | Prophase |
| B. | Anaphase |
| C. | Metaphase |
| D. | Telophase |
| Answer» D. Telophase | |
| 4. |
In which phase does the nuclear envelope disintegrate? |
| A. | Telophase |
| B. | Prophase |
| C. | Metaphase |
| D. | Anaphase |
| Answer» D. Anaphase | |
| 5. |
Which of these structures are visible under the microscope at the end of prophase? |
| A. | Nucleolus |
| B. | Endoplasmic reticulum |
| C. | Golgi bodies |
| D. | Asters |
| Answer» E. | |
| 6. |
Distinct DNA is observable in G2 phase of cell cycle. True or false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
What are the constituents of the mitotic apparatus? |
| A. | Chromatids, Centrosomes |
| B. | Chromatids, Spindle fibers |
| C. | Asters, Spindle fibers |
| D. | Kinetochores, Centrosomes |
| Answer» D. Kinetochores, Centrosomes | |
| 8. |
What are asters made of? |
| A. | Collagen |
| B. | Intermediate filaments |
| C. | Actin fibers |
| D. | Microtubules |
| Answer» E. | |
| 9. |
Which of these structures is the site of attachment of chromatids? |
| A. | Centromere |
| B. | Aster |
| C. | Kinetochore |
| D. | Centrosome |
| Answer» B. Aster | |
| 10. |
In which phase do the centrosomes start moving to the opposite poles of the cell? |
| A. | Anaphase |
| B. | Metaphase |
| C. | Prophase |
| D. | Telophase |
| Answer» D. Telophase | |
| 11. |
What happens to the chromosome during chromatin condensation? |
| A. | It becomes tangled |
| B. | It becomes detangled |
| C. | It undergoes temporary denaturation |
| D. | It undergoes inactivation |
| Answer» C. It undergoes temporary denaturation | |
| 12. |
In which phase is chromosome condensation initiated? |
| A. | Prophase |
| B. | Metaphase |
| C. | Anaphase |
| D. | Telophase |
| Answer» B. Metaphase | |
| 13. |
Which of these events is not a part of karyokinesis? |
| A. | Metaphase |
| B. | Prophase |
| C. | Interphase |
| D. | Anaphase |
| Answer» D. Anaphase | |
| 14. |
What is the phenomenon of nuclear division known as? |
| A. | Telekinesis |
| B. | Cytokinesis |
| C. | Karyokinesis |
| D. | Autokinesis |
| Answer» D. Autokinesis | |
| 15. |
Which of these is the most eventful period of the cell cycle? |
| A. | G1 phase |
| B. | G2 phase |
| C. | S phase |
| D. | M phase |
| Answer» E. | |