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Q. No.During pachytene of prophase I of meiosis I:
I:
the four chromatids of each bivalent chromosome become distinct and clearly appear as tetrads.
II:
there is the appearance of recombination nodules.
III:
crossing over occurs.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Cell Cycle: Meiosis I |
81%
From NCERT
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During Metaphase I:
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 bivalent chromosomes align on the equatorial plate. |
| II: | The microtubules from the opposite poles of the spindle attach to the kinetochore of homologous chromosomes. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cell Cycle: Meiosis I |
93%
From NCERT
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The stage of meiosis I, characterised by the following events, is:
I: The nuclear membrane and nucleolus reappear.
II: Some dispersion of chromosomes.
1. Prophase I
2. Metaphase I
3. Anaphase I
4. Telophase I
I: The nuclear membrane and nucleolus reappear.
II: Some dispersion of chromosomes.
1. Prophase I
2. Metaphase I
3. Anaphase I
4. Telophase I
Subtopic: Cell Cycle: Meiosis I |
94%
From NCERT
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In meiotic cell division, the simultaneous splitting of the centromere of each chromosome allowing sister chromatids to move toward opposite poles of the cell by shortening of microtubules attached to kinetochores, occurs during:
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 |
81%
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 |
64%
From NCERT
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Independent assortment occurs in eukaryotic organisms during meiotic:
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 |
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The events of a cell cycle:
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: | are themselves under genetic control |
| II: | have to take place in a coordinated way |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Intro to Cell Cycle & Interphase |
95%
From NCERT
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The completion of prophase of mitosis is marked by the following characteristic events except:
| 1. | Chromosomal material condenses to form compact mitotic chromosomes. |
| 2. | Chromosomes are seen to be composed of two chromatids attached together at the centromere. |
| 3. | Centrosome undergoes duplication during prophase. |
| 4. | Each centrosome radiates out microtubules called asters. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
72%
From NCERT
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Identify the incorrectly matched pair:
| 1. |  |
Early Prophase |
| 2. |  |
Late Prophase |
| 3. |  |
Transition to Metaphase |
| 4. |  |
Anaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
96%
From NCERT
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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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