Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 27 (60 MCQs)

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1. Sister chromatids are pulled away from each other to opposite ends of the cell
2. What stage of the cell cycle involves the cell being so highly specialized it can not longer divide
3. A process during which the nucleus and it's contents divide
4. During meiosis, the chromosomal bodies exchange genetic information during Metaphase I. The purpose of this process is to .....
5. In the beginning of meiosis, a meiocyte has 16 Pg of DNA. The amount in a gamete will be
6. The shortest phase of mitosis is
7. A cancerous tumor is called
8. Where does meiosis occur?
9. During karyokinesis, the DNA is being duplicated for each daughter cell.
10. If a wing cell in a butterfly contains 24 chromosomes, a butterfly egg cell would contain .....
11. Why do cells go through the cell cycle?
12. What is the complex made of two or more parts called?
13. Where do duplicated chromosomes line up during metaphase?
14. The monomer of DNA and RNA is a
15. A mutation to a regulatory protein which causes it to have increase function
16. What are groups of similar types of cells that work together to carry out specific tasks.
17. Select the incorrect statement with reference to mitosis.
18. Which of these phases of mitosis take place first?
19. Chromatin condenses into chromosomes, spindle fibers form, and nuclear envelope disappears
20. The longest stage in the cell cycle is
21. What causes the guard cells to become flaccid at night?
22. What is the fourth stage of mitosis and cell division?
23. What is the primary purpose of the G1 phase in the cell cycle?
24. Substage of interphase in which the cell prepares for nuclear division and a protein that makes microtubules for cell division is synthesized
25. What is the final stage of the cell cycle?
26. What does NOT happen during interphase?
27. What happens to the original cell after the cell cycle?
28. A protein called p53 can keep cells from dividing. To prevent cell division, this protein most likely stops
29. During Anaphase what are separated?
30. Spindle fibers attach, centrioles line chromosomes in the center of the cell describes:
31. Mitosis is the division of the (a)
32. At which stage of mitosis, the two daughter chromatids separate from each other, migrate towards the opposite poles and are now referred to as chromosomes of the future daughter nuclei?
33. What is the main function of the protein Cdk in the cell cycle?
34. Before cells can divide, what must be copied?
35. A mass of rapidly, growing abnormal cells is called a (an)
36. There are 7 chromosomes in each cell and 2C DNA after M-phase in a plant. Find out the correct match in the following table. Stage Chromosome No. DNA contentA. G$_{1 }$7 2CB. S 14 4C C. G$_{2 }$7 4CD. M 7 2C
37. The phase responsible for cell growth and normal cell functions.
38. Centromere is concerned with:
39. Which of the following features of cell division are very different for animal and plant cells?
40. Prokaryotic cells divide by a simple process known as
41. Events in the life of a cell that results in growth, duplication of DNA in order to produce new cells
42. Significance of meiosis lies in
43. Which of the following cannot be found during a study of cell cycle?
44. Which of the following event should met first by the cell before cell division to happen?
45. The first stage of the cell cycle during which the cell matures, grows and prepares to divide and copies its DNA; The stage the cell stays in the most
46. The resting phase of the cell cycle is known as
47. Phase in which replicated chromosomes condense; nuclear envelope breaks down; mitotic spindles begin to form
48. Crossing over in diploid organisms is responsible for
49. Division of the cytoplasm
50. What does sequence mean?
51. If the S-phase was eliminated from the cell cycle, the daughter cell would
52. During the G1 phase
53. Organelles and chromosomes are copied during .....
54. Cell in G$_{0}$ phase:
55. What are the 3 main types of plant tissue?
56. In the eukaryotic cell, it is the longest stage of the cell cycle and generally its function is to prepare the cell to division process.
57. What is the average duration of the cell cycle in human cells?
58. What is the role of the spindle fibers during cell division?
59. What is the significance of genetic recombination during meiosis?
60. P53 activates which of the following?