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Cell Cycle Model Question Paper

11th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. Polytene Chromosomes are formed by ______

    (a)

    Mitosis

    (b)

    Mitosis

    (c)

    Endomitosis

    (d)

    Meiosis

  2. The period between two successive cell divisions is called

    (a)

    Duplication

    (b)

    Growth phase

    (c)

    Cell cycle

    (d)

    Interphase

  3. What is synthesized during G2 - phase?

    (a)

    Protein

    (b)

    Microtubules

    (c)

    RNA

    (d)

    (a) and (b)

  4. The separation of two chomatids of each chromosome during early anaphase is initiated by:

    (a)

    The interaction of centromere with the chromosomal fibres

    (b)

    The elongation of spindle

    (c)

    Attachment of spindle fibres with Kinetochore

    (d)

    All the above

  5. Significance of meiosis is associated with :

    (a)

    DNA duplication

    (b)

    Asexual reproduction

    (c)

    Sexual reproduction

    (d)

    Growth of the body

  6. 5 x 2 = 10
  7. Imagine a situation if there was no meiosis. Then what would have happened to the next generation?

  8. Who coined the word "Cell" and "protoplasm"?

  9. What is Cell Cycle?

  10. What is the role of MPF in Cell cycle?

  11. Distinguish between Anastral &Amphiastral.

  12. 5 x 3 = 15
  13. Differentiate between mitosis and meiosis

  14. Given an account of G0 phase.

  15. What are the factors controlling cell division?


  16. Which is the stage where mitosis takes place?

  17. Mention the two types of nuclear division. Write a short note on them.

  18. 4 x 5 = 20
  19. Describe the process of Mitosis cell division.

  20. Significance of Mitosis

  21. Explain the various phases in Cell Cycle.

  22. List out the important features of Chromosomes.

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