Spindle fibres attach on to 

(1) Kinetochore of the chromosome

(2) centromere of the chromosome

(3) Kinetosome of the chromosome

(4) telomere of the chormosome 

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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During cell division, the spindle fibres attach to the chromosomes at a region called

1. chromocentre

2. kinetochore

3. centriole

4. chromomere

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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The figurees below shows 3 phases of mitosis select the option given correct identification together with the correct event ?

1. C- Telophase-Nuclear envelope assembles around the chromosome clusters

2. B- Anaphase-Segregation of homologous chromosomes.

3. A- Prophase-Chromosomes get fully condensed.

4. C- Metaphase-Condensation of chromatin to form chromosome 

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Best stage to observe shape, size and number of chromosomes is

1. interphase

2. metaphase

3. prophase

4. telophase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Which phase of mitosis is essentially the reverse of prophase in terms of nuclear changes?

1. S-phase

2. Anaphase

3. Telophase

4. Interphase

 

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Which is the characteristic feature of metaphase?

1. Spindle fibres attach to kinetochores of
chromosomes.
2. Initiation of condensation of chromosomal material.
3. Chromosomes cluster at opposite spindle poles.
4. Disappearance of Golgi complexes, endoplasmic
reticulum, nucleolus, and the nuclear envelope.

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Major event that occurs during anaphase of mitosis which brings about equal distribution of chromosomes is:

1. Condensation of chromatin

2. Replication of genetic material

3. Splitting of centromere

4. Pairing of homologous chromosomes

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Select the correct option with respect to mitosis.

1. Chromatids start moving towards opposite poles in telophase

2. Golgi complex and endoplasmic reticulum are still visible at the end of prophase

3. Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase

4. Chromatids separate but remains in the centre of the cell in anaphase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Astral rays arise from 

1. centriole 

2. cytoplasm

3. chromatid

4. centromere.

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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When a cell is viewed under the microscope, it does
not show golgi complex, endoplasmic reticulum,
nucleolus, nuclear envelope in which stage of cell
division?

1. Early prophase 

2. Late prophase

3. Interphase 

4. Telophase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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