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Which of the following events are not ch...

Which of the following events are not characteristic features of telophase
A. Cchromosome material condensess to form compact mitotic chromosomes
B. Nucleolus, Golgi complex and ER reform
C. Nuclear envelope assembles around the chromosome clusters
D. Centromeres split and chromatids separate
E. Chromosomes cluster at opposite, spindle poles and their identify as discrete elemetns is lost.

A

A, B and Donly

B

A and Donly

C

Band Conly

D

CD and E only

Text Solution

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The correct Answer is:
B
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Which is not characteristic of telophase 1. Chromatin condenses to form chromosomes. 2. Nucleolus, Golgi comlex and ER reform 3. Nuclear envelopes assemble around chromosome clusters 4. Centromeres split and chromatids separate 5. Chromosome clusters and their identity is lost.

The key events shown by the telophase is/are I. Chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements. II. Nuclear envelope assembles around the chromosome clusters III. Nucleolus, golgi complex and ER reform

Which of the following events takes place during anaphase stage of mitosis I. Spindle fibres attach to kinetochores of chromosomes II. Centromeres split and chromatids separate III. Chromatids move to opposite poles IV. Nucleolous, Golgi complex and E.R. reform

Choose the correct statements with respect to the completion of prophase I. Chromosomal material condenses to from compact mitotic chromosomes. Chromosomes are seen to be composed of two chromatids attached together at the centromere. II. Initiation of the assembly of mitotic spindle, the microtubules, the proteinaceous components of the cell cytoplasm III. Cells at the end of prophase, when viewed under the microscope, do not show golgi complexes, endoplasmic reticulum, nucleolus and the nuclear envelope

Read the following statement and choose the correct option spindle fibres get attached to the kinetochore of the chromosomes during metaphase. At the end of prophase cells do not show golgi complex, endoplasmic reticulum, nucleolus and the nuclear envelope. At anaphase centromere splits but chromatids do not separate.

The figure given below represents the stage of cell division. Read the following statements. (i) Nucleolus, Golgi complex and ER reform. (ii) Chromatids move to the opposite pole. (iii) The activity of the recombinase enzyme. (iv) Homologous chromosomes separate while sister chromatids remains associated at their centromere. (v ) Initiated of the assembly of the mitotic spindle. How many of the above statements is not true with respect to the above figure-

Arrange the following events of mitotic cell cycle in correct sequence I. Initiation of spindle formation II. DNA replication III. Disappearance of Golgi complex, E.R and nuclear membrane IV. Movement of chromosome towards the poles V. Decondensation of chromosomes

MODERN PUBLICATION-CELL CYCLE AND CELL DIVISION-COMPETITION FILE (OBJECTIVE TYPE QUESTION)(A.MULTIPLE TYPE QUESTIONS (MCQS)):(FROM AIMPT &OTHER COMPETITIVE EXAMINATION)
  1. The chromosomes become gradually visible with compaction of chromatin ...

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  2. Choose the correctly matched pairs and correct option (a) Leptotene ...

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  3. Which of the following events are not characteristic features of telop...

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  4. The complex formed by a pair of synapsed homologous chromosomes is cal...

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  5. Meiosis takes place in

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  6. A stage in cell shown in the figure, Select the answer which gives cor...

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  7. In onion root tip during metaphase stage of mitosis the number of kine...

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  8. During which phase(s) of cell cycle amount of DNA in a cell remains at...

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  9. In 'S' phase of the cell cycle

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  10. The enzyme recombinase is required in which stage of meiosis ?

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  11. Nuclear envelope is a derivative of

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  12. A somatic cell that has just completed the S phase of its cells cycl...

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  13. Arrange the following events of meiosis in correct sequence (a) Cro...

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  14. The number of chromosomes in meiocyte (2n) in apple is

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  15. Some cells in adult animals do not divide. They exit no G, phase and e...

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  16. Which one of the following is the significance of mitosis

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  17. In a typical eukaryotic cell cycle, Gap-I synthesis and Gap-2 are thos...

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  18. Find the correct statement:

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  19. During cell growth, DNA synthesis occurs in:

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  20. Mechanism that causes a gene to move from one linkage group to another...

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