Home
Class 11
BIOLOGY
Chromosome number of a cell is almost do...

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

A

`G_1`-phase

B

S-phase

C

`G_2`-phase

D

G0-phase

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Cell Division

    CHETANA PUBLICATION|Exercise Exercise |73 Videos
  • Biomolecules

    CHETANA PUBLICATION|Exercise Exercise |63 Videos
  • Cell structure and organization

    CHETANA PUBLICATION|Exercise Exercise |41 Videos

Similar Questions

Explore conceptually related problems

In meiosis, chromosomes replicate during............... .

The process in which the chromosomes duplicate only once but the cell divides twice is............. .

The chromosome number in Gl,S and G2 phases are

During metaphase chromosomes............. .

complete the paragraph by choosing the appropriate words given in the brackets : (gamete, crossing over, haploid, Meiosts-II,meiosis-I, diploid) .............. is just like mitosis. In this stage, the two haploid daughter cells formed in ......... undergo division by separation of recombined sister chromatids and four .................... daughter cells are formed. Process of ........ production and spore formation occurs by meiosis. In this type of cell division, four haploid (n) daughter cells are formed from one ..........cell. During this cell division, ....................occurs between the homologous chromosomes.

Cell plate formation occurs during

If the chromosomal number in the nucleus of nucellus cells of an ovule is 24, then what will be the chromosomal number in the nuclei of an egg, secondary nucleus,synergid and antipodal cell of the same ovule?

Choose the correct alternate and write its alphabet against the sub question number: All chromosomes are arranged parallel to equatorial plane of cell in .............. phase of mitosis

Comment on the statement-Meiosis enables the conservation of specific chromosome number of each species even though the process per se, results in reduction of chromosome number.

CHETANA PUBLICATION-Cell Division -Exercise
  1. Synapsis is pairing of............ .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Find correct statement:

    Text Solution

    |

  8. Histone proteins are synthesized during............. .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. Crossing over takes place during............... .

    Text Solution

    |

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

    Text Solution

    |

  14. Synapsis is pairing of............ .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. A series of changes or sequential events which occure regularly in a d...

    Text Solution

    |