BIO XI 3.3 Cell Cycle and Cell Division

BIO XI 3.3

CHAPTER 10. CELL CYCLE AND CELL DIVISION

BIO XI 3.3.1

1.  What is cell cycle?

2. What is the average cell cycle span for a mammalian cell?

3. Describe the events taking place during interphase.

4. What is quiescent stage or Go phase of cell cycle?

5. Differentiate the karyokinesis from cytokinesis.

6. In which phase of interphase duplication of DNA will occur?

BIO XI 3.3.2

7. Why mitosis is also called as equational division ?

8. Describe the various stages of mitosis with the help of neat labeled diagram.

9. How does cytokinesis differ in plant cell from an animal cell?

10. Write the significance of mitosis. (min 3 points)

BIO XI 3.3.3

11. Explain the various stages of prophase I of meiosis with the help of neat labeled diagrams.

12. Differentiate

(i) metaphase I of meiosis from metaphase of mitosis

(ii) Anaphase I of meiosis from Anaphase of mitosis.

13. Write a note on significance of meiosis. (min 3 Points)

14. Differentiate the mitosis from meiosis.(Min. 5 points)

COMPETITION POINT

Name the scientists who contributed to the naming and discovery of mitosis, meiosis and other cell division related terms.

What is the role of telomerase in regulating cell cycle?

Who discovered diplotene and lamp brush chromosomes?

Which enzyme is involved in genetic recombination during meiosis?

Which stage of meiosis is longest in duration?