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Q. No.A process that is common to metaphases of mitosis, meiosis I as well as meiosis II is:
1.
Alignment of chromosome at equatorial plate
2.
Attachment of spindle fibres from centrioles to both of the kinetochores of each chromosome
3.
Separation of sister chromatids
4.
Exchange of genetic material between non-sister chromatids
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
78%
Level 2: 60%+
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The process that increases the genetic variability in the population of organisms from one generation to the next is:
| 1. | Synthesis of extra DNA during S phase of cell cycle |
| 2. | Pairing of homologous chromosomes |
| 3. | Recombination of genetic material during meiosis |
| 4. | Changes in chromosomes after disintegration of nuclear membrane |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
89%
Level 1: 80%+
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What will be the DNA content and number of chromosomes in a cell of after S phase as compared to the gamete of the same organism?
| 1. | Same DNA content but double chromosome number |
| 2. | Four times DNA content but double chromosome number |
| 3. | Same DNA content but half chromosome number |
| 4. | Half DNA content but double chromosome number |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
73%
Level 2: 60%+
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Synaptonemal complex is formed?
1. During anaphase
2. During metaphase
3. During prophase-II
4. During prophase-I of meiosis
1. During anaphase
2. During metaphase
3. During prophase-II
4. During prophase-I of meiosis
Subtopic: Cell Cycle: Meiosis I |
92%
Level 1: 80%+
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Subtopic: Cell Cycle: Meiosis I |
68%
Level 2: 60%+
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Synaptonemal Complex is formed?
1. During Anaphase
2. During Metaphase
3. During Prophase II
4. During Prophase I of meiosis
1. During Anaphase
2. During Metaphase
3. During Prophase II
4. During Prophase I of meiosis
Subtopic: Cell Cycle: Meiosis I |
93%
Level 1: 80%+
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Post mitotic gap phase is characterised by all, except?
| 1. | synthesis of RNA and nucleotides |
| 2. | no change in DNA content |
| 3. | synthesis of histone proteins |
| 4. | growth phase of the cell |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
55%
Level 3: 35%-60%
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Select the incorrect match from the following:
| Column I | Column II | |
| 1. | Recombinase | Do not function in nucleoplasm |
| 2. | Crossing over | Enzyme-mediated process |
| 3. | Diakinesis | Represents transition to metaphase |
| 4. | Chiasmata | X-shaped structure |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
81%
Level 1: 80%+
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Under the microscope, we cannot see chromosome in which of the following phases of cell division?
| 1. | Leptotene | 2. | Anaphase |
| 3. | Diakinesis | 4. | Late telophase |
Subtopic: Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
63%
Level 2: 60%+
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The phase of cell division which is typically longer and more complex as compared to others is :
| 1. | Telophase of mitosis |
| 2. | Prophase of meiosis I |
| 3. | Prophase of mitosis |
| 4. | Prophase of meiosis II |
Subtopic: Cell Cycle: Meiosis I |
90%
Level 1: 80%+
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