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Zoology MCQS[NEET-2021 to 2022]-Cell cycle

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1. Which of the following from a blood clot stimulates the growth of cells in the healing process?




2. The spindle forms in the




3. Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide?




4. The event(s) which does not occur during interphase, is/are




5. In prokaryotes, just before the cell divides, the two daughter genomes are attached side by side to the




6. In the cell cycle replication of the genome occurs in the




7. At which of the following check point, mitosis is controlled?




8. The centromeres move toward the poles in __________ .




9. Which phase of mitosis is associated with separation of chromatids?




10. Sequences that correctly describes the cell cycle is




11. Which of the following triggers the division of activated T lymphocytes?




12. The term, not related to mitosis is




13. What structure forms as a network of protein cables during cell division?




14. A centromere is




15. Which of the following statements about mitosis is incorrect?




16. Cdks bind with __________ , enabling the Cdks to function as enzymes.




17. Which of the following is not a part of a human chromosome in any phase?




18. During which phase, a cleavage furrow is formed in animal cells?




19. In which phase, each chromosome replicates to produce two sister chromatids?




20. Microtubules grow from the poles to kinetochores of each chromatid during




21. Which of the following is the normal cell cycle, primarily regulated at checkpoints?




22. The phase of mitosis which is associated with the formation of the nuclear envelope, is




23. At the __________ checkpoint, cell growth is controlled.




24. A nuclear envelope forms around each set of sister chromatids in




25. In which of the following phase preparations for genome separation are made?




26. Cells which no longer divide (such as certain specialized cells found in the human brain) remain in which phase of the cell cycle?




27. The cell cycle is controlled in most cells by




28. How many chromatids does a diploid body cell contain just prior to cell division?




29. DNA replication is controlled at which of the following checkpoint?




30. Which of the following begins when pairs of sister chromatids align in the center of the cell?




31. How many chromatids are there in a duplicated chromosome?




32. The term homologous chromosomes




33. At the center of the cell cycle control system is Cdk, a protein that




34. Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.




35. Which of the following is the primary growth phase of a cell?




36. The G0 phase is