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Q. No.During which stage of the meiotic cell division does the centromere split leading to the separation of sister chromatids?
1.
Metaphase I
2.
Metaphase II
3.
Anaphase I
4.
Anaphase II
Subtopic: Cell Cycle: Meiosis II |
83%
From NCERT
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You want to study the morphology of chromosomes in a cell and you have selected a cell undergoing mitosis. Which stage will be the best for this purpose?
1. Late prophase
2. Metaphase
3. Anaphase
4. Telophase
1. Late prophase
2. Metaphase
3. Anaphase
4. Telophase
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
94%
From NCERT
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A cell decides not to divide and enters the Quiescent Stage (G0) exiting the cell cycle from:
1. G1 phase
2. S phase
3. G2 phase
4. M phase
1. G1 phase
2. S phase
3. G2 phase
4. M phase
Subtopic: Intro to Cell Cycle & Interphase |
88%
From NCERT
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Which of the following is not a significance of mitosis?
1. Restoration of nuclear/cytoplasmic ratio
2. Growth
3. Reduction of chromosome number
4. Replacement of lost cells
1. Restoration of nuclear/cytoplasmic ratio
2. Growth
3. Reduction of chromosome number
4. Replacement of lost cells
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
88%
From NCERT
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Which one of the following never occurs during mitotic cell division?
| 1. | Coiling and condensation of chromatids |
| 2. | Spindle fibres attach to Kinetochores of chromosomes |
| 3. | Movement of centrioles towards opposite poles |
| 4. | Pairing of homologous chromosomes |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
82%
From NCERT
NEET - 2022
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The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:
1. Terminalization
2. Synaptonemal complex
3. Bivalent
4. Sites at which crossing over occurs
1. Terminalization
2. Synaptonemal complex
3. Bivalent
4. Sites at which crossing over occurs
Subtopic: Cell Cycle: Meiosis I |
76%
From NCERT
NEET - 2022
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Regarding Meiosis, which of the statement is incorrect ?
| 1. | Four haploid cells are formed at the end of Meiosis-II. |
| 2. | There are two stages in Meiosis, Meiosis-I and II. |
| 3. | DNA replication occurs in S phase of Meiosis-II. |
| 4. | Pairing of homologous chromosomes and recombination occurs in Meiosis-I. |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
86%
From NCERT
NEET - 2022
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Select the incorrect statement with reference to mitosis.
1. Splitting of centromere occurs at anaphase.
2. All the chromosomes lie at the equator at metaphase.
3. Spindle fibres attach to centromere of chromosomes.
4. Chromosomes decondense at telophase
1. Splitting of centromere occurs at anaphase.
2. All the chromosomes lie at the equator at metaphase.
3. Spindle fibres attach to centromere of chromosomes.
4. Chromosomes decondense at telophase
Subtopic: Cell Division: Mitosis (Karyokinesis) |
75%
From NCERT
NEET - 2022
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In prophase I of Meiosis, chromosomes start pairing together and synapsis takes place. This process occurs during which of the following stage?
| 1. | Pachytene | 2. | Diplotene |
| 3. | Leptotene | 4. | Zygotene |
Subtopic: Cell Cycle: Meiosis I |
83%
From NCERT
NEET - 2022
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Given below are two statements : One is labeled as Assertion (A) and the other is labeled as Reason (R)
| Assertion (A): | The growth of the multicellular organism is due to mitosis |
| Reason (R): | Mitosis is also called as equational division and it offers genetic stability |
In light of the above statements choose the correct answer from the options given below:
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
From NCERT
NEET - 2022
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