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Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 8 (60 MCQs)

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1. Uncontrolled cell division is stopped by .....
2. Significance of mitosis is in-
3. When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?
4. During a biology class, Benjamin and Grace were discussing the structure of a cell. They were curious to know in which organelle the genetic material is found inside. Can you help them?
5. What is the phase of the cell cycle where the cell grows and prepares for division?
6. Why is the Cell Cycle often represented as a circle?
7. Cell cycle is paused, cells does neither grows nor divides (I.e. neurons are in this forever) (cell cycle arrest)
8. Mitosis includes the phases
9. Which enzyme adds on new nucleotides during replication?
10. Ln the somatic cell cycle
11. How many chromosomes are in each human body cell?
12. Karyokinesis differs from cytokinesis as it involves division of
13. Put the following in order:G2, G1, S, mitosis, cytokinesis.
14. Each chromosome consists of 2 .....
15. It contains the genetic material and serves as the control center of the cell.
16. The diploid chromosome compliment of human somatic cell consists of how many chromosomes?
17. How many chromosomes are in the new cells of meiosis?
18. Cells of organism make mitosis for?
19. Selectively permeable outermost layer of the cell:
20. The spindle fibers pull and push the duplicated chromosomes to the middle of the cell
21. During what phase of meiosis do sister chromatids split?
22. Chromatid pairs can be seen, spindle fibers form and nuclear membrane disappears
23. Cancer creates abnormal cells by disrupting
24. The division of the nucleus is known as:
25. During which stage of interphase does the DNA duplicate.
26. The structure of coiled DNA and proteins that forms in the cells nucleus prior to mitosis is
27. Which type of cell division maintains the chromosome number in a cell constant?
28. If the number of bivalents are 20, What shall be the number of chromosomes in daughter cells after meiosis 1 and meiosis 2 respectively?
29. If a cell has 30 chromosomes, each new cell after mitosis will have ..... chromosomes.
30. What is the name of the structure found inside the nucleus that is involved in producing ribosomes?
31. The term mitosis was coined by?
32. In which stage of the cell cycle is protein and organelle synthesis
33. These move the chromosomes during mitosis
34. The process of where one cell becomes two cells is called .....
35. A jelly-like substance found inside a cell surrounding its organelles is
36. In which stage of the cell cycle does nuclear splitting take place?
37. A cell with membrane-bound structures.
38. As a cell grows, its ..... increases more than its .....
39. A haploid cell (having n number of chromosomes) undergoes mitosis. What will be the number of chromosomes in this haploid cell at the end of mitosis?
40. Which of the following cannot be attributed to Metaphase?
41. During which stage of the cell cycle does mitosis and cytokinesis occur?
42. Which phase of mitosis involves the division of the nucleus?
43. During which phase of meiosis do homologous chromosomes line up next to each other along the midline?
44. In which phase of mitosis do two new nuclei begin to form?
45. Checkpoint which controls the entry of cell from one phase to another and ensures that the damage in DNA is not replicated is mainly present in-
46. In this phase of the cell cycle, the cell grows bigger.
47. This is the stage of the cell cycle responsible for nuclear division.
48. In a biology class, Emma, Lily, and Ethan are learning about cell division. During Anaphase, what are separated?
49. What is the process called when maternal and paternal chromosomes become intertwined and exchange corresponding regions?
50. If a cell is exposed to a toxin, what type of cell death would occur
51. Joining of two specialized cells called gametes (egg and sperm) 2 parents / takes longer / creates genetic diversity
52. Before cells can divide, what must be replicated in the S phase?
53. What is the longest stage (cell spends 90% here) of the cell cycle called?
54. BONUS:How long is the whole cell cycle for most animal cells?
55. During the cell cycle, the cell's nucleus and its contents divide to create two .....
56. The phase of mitosis during which the nuclear envelope fragments and the nucleoli disappear is called
57. The total number of cells in an organism increases as a result of which process?
58. During this phase of the cell cycle, DNA is replicated or copied.
59. A somatic cell that has just completed the S phase of its cell cycle, as compared to a gamete of the same species, has
60. Which of the following statements about mitosis is NOT correct?
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