Class 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 8 (25 MCQs)

Quiz Instructions

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1. If you are provided with root tips of onion in your class and asked to count the chromosomes, which of the following stages can you most conveniently look into?
2. 2 identical chromosomes are called?
3. Define cytokinesis.
4. Why is it so important to replicate DNA?
5. Which statement best describes why a cell spends the majority of its time in interphase?
6. The phase in mitosis where chromosomes move away and are pulled apart by spindles to opposite sides of the cell.
7. The term for cell division
8. What phase does a cell stay in the longest?
9. Somatic cell with 2 sets of chromosomes (1 set from each parent) are ..... ; not found in gametes; end product of mitosis
10. What is the process by which the cell nucleus divides into two identical cell nuclei?
11. The "end" phase Nuclear membrane forms. sister chromatids move to opposite sides of the cell (when the middle/center of the cell pinches)
12. Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
13. True or False? A tightly wound bundle of DNA is a chromosome.
14. What is the primary purpose of the G$_{1}$ phase in the cell cycle?
15. Most cells in an organism go through a cycle of growth, development, and division called the .....
16. All cells except sex cells (also known as gamete like sperm and egg); diploid cells; result of mitosis
17. What is the end product of cytokinesis?
18. Medical researchers are interested in stem cells because they?
19. During anaphase
20. Non-cancerous tumors are called ..... Cancerous tumors are called .....
21. Which stage of the cell cycle usually lasts the longest?
22. Which is NOT a phase of the cell cycle
23. Enzymes are
24. What is the correct order for the cell cycle?
25. What are kinetochores?