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Q. No.A and B in the given diagram are events seen in Meiosis I and C and D are events seen in Meiosis II. Identify the correct match:
A:
Prophase I and arrow shows chiasmata
B:
Anaphase I and arrow shows sister chromatids associated at centromere
C:
Prophase II and arrows show attachment of spindle microtubules to kinetochore
D:
Anaphase II and the diagram shows separated sister chromatids after the split of centromere
1.
Only A, B and C
2.
Only A, C and D
3.
Only B, C and D
4.
A, B, C and D
Subtopic: Cell Cycle: Meiosis I |
61%
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The diagram shows cytokinesis in animal cell [I] and in plant cell [II]. What will be correct for A, B and C in these cells?
| Animal cell | Plant cell | |
| A. | Furrow formed using actin and myosin | Vesicles from Golgi move to centre |
| B. | The furrow reaches centre from periphery | Tubular structures merge to form plasma membrane |
| C. | Cells pinched apart | Pectins deposited leading to formation of middle lamella |
| 1. | Only A and B | 2. | Only A and C |
| 3. | Only B and C | 4. | A, B and C |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
55%
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The given diagram shows a slide with cells labeled as A, B, C and D at different stages of cell division. Identify the correct match:
| A | B | C | D | |
| 1. | Interphase | Telophase | Prophase | Anaphase |
| 2. | Interkinesis | Anaphase | Prophase | Metaphase |
| 3. | Interkinesis | Telophase | Metaphase | Anaphase |
| 4. | Interphase | Prophase | Metaphase | Anaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
65%
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In a eukaryote, the cell cycle typically is divided into:
1. Two phases
2. Three phases
3. Four phases
4. Five phases
1. Two phases
2. Three phases
3. Four phases
4. Five phases
Subtopic: Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
72%
From NCERT
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Hints
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In a somatic eukaryotic cell undergoing mitosis, when do expect to find most number of chromosomes in the cell?
1. At the end of the G1 phase
2. At the end of the S phase
3. At the end of Anaphase
4. In the resultant daughter cells
1. At the end of the G1 phase
2. At the end of the S phase
3. At the end of Anaphase
4. In the resultant daughter cells
Subtopic: Cell Division: Mitosis (Karyokinesis) |
60%
From NCERT
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Hints
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Study the given two statements – an Assertion and Reason, and select the correct answer from the options given:
Assertion: Meiosis is the mechanism by which conservation of specific chromosome number of each species is achieved across generations in sexually reproducing organisms.
Reason: Meiosis increases the genetic variability in the populations of organisms from one generation to the next.
1. Both Assertion and Reason are true and Reason correctly explains Assertion
2. Assertion is true but Reason is false
3. Assertion is false but Reason is true.
4. Both Assertion and Reason are true but Reason does not correctly explain Assertion.
Assertion: Meiosis is the mechanism by which conservation of specific chromosome number of each species is achieved across generations in sexually reproducing organisms.
Reason: Meiosis increases the genetic variability in the populations of organisms from one generation to the next.
1. Both Assertion and Reason are true and Reason correctly explains Assertion
2. Assertion is true but Reason is false
3. Assertion is false but Reason is true.
4. Both Assertion and Reason are true but Reason does not correctly explain Assertion.
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
51%
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In Prophase I of Meiosis I, recombination between homologous chromosomes is completed:
1. by the end of zygotene
2. by the end of pachytene
3. at the beginning of diplotene
4. when terminalisation of chiasmata occurs at diakinesis
1. by the end of zygotene
2. by the end of pachytene
3. at the beginning of diplotene
4. when terminalisation of chiasmata occurs at diakinesis
Subtopic: Cell Cycle: Meiosis I |
74%
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During meiosis I, the chromosomes start pairing at:
| 1. | Zygotene | 2. | Pachytene |
| 3. | Diplotene | 4. | Leptotene |
Subtopic: Cell Cycle: Meiosis I |
76%
From NCERT
NEET - 2013
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During the metaphase stage of mitosis spindle fibres attach to chromosomes at:
| 1. | kinetochore |
| 2. | both centromere and kinetochore |
| 3. | centromere, kinetochore and areas adjoining centromere |
| 4. | centromere |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
90%
From NCERT
NEET - 2013
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The event shown in the given diagram takes place during:
| 1. Pachytene of Prophase I | 2. Diplotene of Prophase I |
| 3. Metaphase II | 4. Anaphase II |
Subtopic: Cell Cycle: Meiosis I |
84%
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