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Q. No.Subtopic: Intro to Cell Cycle & Interphase |
80%
From NCERT
NEET - 2021
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Which stage of meiotic prophase shows terminalisation of chiasmata as its distincitve feature?
1. Diakinesis
2. Pachytene
3. Leptotene
4. Zygotene
Subtopic: Cell Cycle: Meiosis I |
89%
From NCERT
NEET - 2021
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The fruit fly has 8 chromosomes (2n) in each cell. During the interphase of mitosis, if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after the S phase?
| 1. | 4 | 2. | 32 |
| 3. | 8 | 4. | 16 |
Subtopic: Intro to Cell Cycle & Interphase |
81%
From NCERT
NEET - 2021
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Match the following events that occur in their respective phases of cell cycle and select the correct option:
| Column I | Column II | ||
| (a) | G1 phase | (i) | Cell grows and organelle duplication |
| (b) | S phase | (ii) | DNA replication and chromosome duplication |
| (c) | G2 phase | (iii) | Cytoplasmic growth |
| (d) | Metaphase in M-phase | (iv) | Alignment of chromosomes |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Intro to Cell Cycle & Interphase |
88%
From NCERT
NEET - 2020
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During Meiosis 1, in which stage synapsis takes place?
| 1. | Pachytene | 2. | Zygotene |
| 3. | Diplotene | 4. | Leptotene |
Subtopic: Cell Cycle: Meiosis I |
85%
From NCERT
NEET - 2020
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Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:
| 1. | Anaphase | 2. | Telophase |
| 3. | Prophase | 4. | Metaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
79%
From NCERT
NEET - 2020
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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) |
74%
From NCERT
NEET - 2022
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