The correct chronology of stages of karyokinesis in mitosis is:

1. Prophase – Anaphase – Metaphase – Telophase
2. Prophase – Metaphase – Anaphase – Telophase
3. Prophase – Metaphase – Telophase – Anaphase
4. Telophase – Anaphase – Metaphase – Prophase
Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 95%
From NCERT
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Mitosis is also called ‘equational division’ because:

1. the number of chromosomes in both daughter cells are the same
2. the sum of the number of chromosomes in two daughter cells is equal to the number of chromosomes in the parent cell
3. each progeny cell receives only one set of chromosomes from the parent cell
4. the number of chromosomes in the parent and the progeny cells is the same
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 65%
From NCERT
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Prophase of mitosis is not characterized by:

1. condensation of chromatin
2. migration of centrosomes to opposite poles
3. formation of mitotic apparatus
4. pairing of homologous chromosomes
Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 73%
From NCERT
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The start of the second phase of mitosis, metaphase, is marked by:

1. complete disintegration of the nuclear envelope
2. alignment of chromosomes at the equatorial plate
3. de-condensation of chromatin
4. reappearance of the nucleolus
Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 63%
From NCERT
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Consider the given two statements:

I: Morphology of chromosomes is best studied at metaphase
II: At this stage, a chromosome is made up of two sister chromatids, held together at the centromere

1. Both I and II are True and II explains I

2. Both I and II are True but II does not explain I

3. I is True but II is False

4. I is False but II is True

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 50%
From NCERT
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All the following key events take place during telophase of mitosis except:

1. Chromosomes cluster at the opposite spindle poles
2. Chromosomes become discrete
3. Nuclear envelope reforms
4. Nucleolus, ER and Golgi complex reform
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 60%
From NCERT
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During which stage of mitosis do the following events occur?

I: Centromeres split and chromatids separate
II: Chromatids move to opposite poles

 

1. Prophase 2. Metaphase
3. Anaphase 4. Telophase
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 91%
From NCERT
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Identify the correct statement amongst the following:

1. Crossing over occurs in prophase I of meiosis and metaphase of mitosis.
2. DNA replication occurs once prior to mitosis and twice prior to meiosis.
3. Both mitosis and meiosis result in daughter cells identical to the parent cells.
4. Karyokinesis occurs once in mitosis and twice in meiosis.
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
 77%
From NCERT
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The components of nuclear envelope are dismantled during:

1. prophase and reconstructed during telophase
2. prophase and reconstructed during anaphase
3. metaphase and reconstructed during telophase
4. metaphase and reconstructed during anaphase
Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 87%
From NCERT
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All the following are significances of mitosis except:

1. Restoration of nuclear/cytoplasmic ratio
2. Growth of living organisms
3. Replacement of lost cells
4. Generation of genetic variation
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 88%
From NCERT
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