Q. No.The given figure shows a cell at various stages of mitosis. What will be the number of chromosomes and content of DNA in the cells shown if the number of chromosomes and the content of DNA was 2N and 2C respectively at G1 phase?
1. 2N and 2C
2. 2N and 4C
3. 4N and 2C
4. 4N and 4C
1. 2N and 2C
2. 2N and 4C
3. 4N and 2C
4. 4N and 4C
Subtopic: Intro to Cell Cycle & Interphase | Cell Cycle: Meiosis II |
From NCERT
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The cell shown in the given figure is most likely at:
1. Metaphase I
2. Metaphase II
3. Anaphase I
4. Anaphase II
1. Metaphase I
2. Metaphase II
3. Anaphase I
4. Anaphase II
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
63%
From NCERT
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The cell shown in the given figure is most likely at:
1. Metaphase I
2. Metaphase II
3. Anaphase I
4. Anaphase II
1. Metaphase I
2. Metaphase II
3. Anaphase I
4. Anaphase II
Subtopic: Cell Cycle: Meiosis II |
74%
From NCERT
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The cell shown in the given figure is most likely at:
1. Prophase II
2. Prophase I
3. Anaphase I
4. Anaphase II
1. Prophase II
2. Prophase I
3. Anaphase I
4. Anaphase II
Subtopic: Cell Cycle: Meiosis II |
From NCERT
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Meiosis results in the formation of:
1. Two genetically identical diploid cells
2. Two genetically non identical diploid cells
3. Four genetically identical haploid cells
4. Four genetically non identical haploid cells
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
66%
From NCERT
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Consider the two statements:
| Assertion (A): | Meiosis ensures the production of haploid phase in the life cycle of sexually reproducing organisms. |
| Reason (R): | Syngamy restores the diploid condition in sexually reproducing organisms. |
| 1. | (A) is true; (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains (A) |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 4. | (A) is False; (R) is True |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
63%
From NCERT
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Synapsis occurs between
1. mRNA and ribosomes
2. Spindle fibers and centromere
3. Two homologous chromosomes
4. A male and a female gamete
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
91%
From NCERT
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During meiosis, the bivalent chromosomes clearly appear as tetrads first at:
| 1. | Zygotene of Prophase I | 2. | Pachytene of Prophase I |
| 3. | Metaphase I | 4. | Anaphase I |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
66%
From NCERT
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Which of the following stages of Prophase I of meiosis I can last for many months or years in certain vertebrate oocytes?
| 1. | Zygotene | 2. | Pachytene |
| 3. | Diplotene | 4. | Diakinesis |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
87%
From NCERT
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The beginning of diplotene is recognized by:
| I: | dissolution of the synaptonemal complex |
| II: | the tendency of recombined homologues of bivalents to separate |
| III: | tetrads becoming clearly visible |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II, and III |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
68%
From NCERT
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