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Why and how some spindle fibres elongate...

Why and how some spindle fibres elongate and some contract?

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CHETANA PUBLICATION-Cell Division -Exercise
  1. Why and how some spindle fibres elongate and some contract?

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  2. The connecting link between Meiosis-I and Meiosis-II is..................

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  3. Synapsis is pairing of............ .

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  4. Spindle apparatus is formed during which stage of mitosis?

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  5. Chromosome number of a cell is almost doubled up during..................

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  6. How many meiotic divisions are necessary for formation of 80 sperms?

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  7. How many chromatids are present in anaphase-I of meiosis-I of a diploi...

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  8. In which of the following phase of mitosis chromosomes are arranged at...

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  9. Find correct statement:

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  10. Histone proteins are synthesized during............. .

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  11. Which of the following is called pre-miotic gap phase?

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  12. All chromosomes are arranged parallel to equatorial plane of cell in ...

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  13. S' phase of cell division is characterised by............. .

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  14. Crossing over takes place during............... .

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  15. The term 'Mitosis' was coined by................ .

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  16. Synapsis is pairing of............ .

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  17. The number of meiotic division required to produce 256 cells.............

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  18. The spindle apparatus in plant cells is called............. .

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  19. The correct sequence of stages in cell cycle is........... .

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  20. Re-appearance of nuclear membrane during mitosis occurs in...............

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  21. The new cells produced in cell division are called as....................

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