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Q. No.The given diagram shows the cell undergoing mitosis at:
1.
telophase
2.
metaphase
3.
prophase
4.
anaphase
Subtopic: Cell Division: Mitosis (Karyokinesis) |
85%
From NCERT
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Consider the given features:
The above mentioned features are seen in which phase of mitosis?
| A: | Spindle fibers attached to kinetochores of chromosome. |
| B: | Chromosomes are moved to spindle equator and get aligned along metaphase plate through spindle fibers to both poles. |
| 1. | Prophase | 2. | Metaphase |
| 3. | Anaphase | 4. | Telophase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
93%
From NCERT
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Separation of homologous chromosomes during meiosis occurs at:
1. Anaphase I of meiosis I
2. Anaphase II of meiosis II
3. Metaphase I of meiosis I
4. Metaphase II of meiosis II
1. Anaphase I of meiosis I
2. Anaphase II of meiosis II
3. Metaphase I of meiosis I
4. Metaphase II of meiosis II
Subtopic: Cell Cycle: Meiosis I |
80%
From NCERT
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Consider the given two statements:
| Assertion (A): | Meiosis I is a reductional division. |
| Reason (R): | There is no DNA replication during interkinesis. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Cell Cycle: Meiosis I |
81%
From NCERT
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Consider the given two statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The plants can show mitotic divisions in both haploid and diploid cells. |
| II: | Plant cells divide by the formation of a cleavage furrow. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cell Division: Mitosis (Karyokinesis) |
72%
From NCERT
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Consider the following key events:
The stage of mitosis characterized by these key events is:
| I: | Chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements. |
| II: | Nucleolus, Golgi complex and ER reform |
| 1. | Prophase | 2. | Metaphase |
| 3. | Anaphase | 4. | Telophase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
89%
From NCERT
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Identify the incorrect statement regarding mitosis:
| 1. | A single nucleus gives rise to two identical daughter nuclei. |
| 2. | The daughter nuclei are genetically identical to the parent nucleus. |
| 3. | The centromeres divide at the onset of anaphase. |
| 4. | Homologous chromosomes synapse in prophase. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
86%
From NCERT
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What occurs during diakinesis, the final stage of prophase I in meiosis?
| 1. | Tetrads align at the cell's equator. |
| 2. | Crossing over between homologous chromosomes. |
| 3. | Chromosomal condensation is nearly completed, and tetrads prepare for attachment to the spindle. |
| 4. | Nuclear envelope re-forms and the cell prepares for cytokinesis. |
Subtopic: Cell Cycle: Meiosis I |
81%
From NCERT
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Regarding anaphase I and anaphase II of meiosis, which statement is accurate?
| 1. | Homologous chromosomes separate in anaphase I, while sister chromatids separate in anaphase II. |
| 2. | Sister chromatids separate in anaphase I, while homologous chromosomes separate in anaphase II. |
| 3. | Both homologous chromosomes and sister chromatids separate in anaphase I. |
| 4. | No separation occurs in anaphase II. |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
90%
From NCERT
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Subtopic: Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
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