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Q. No.The structure that functions as a simple precursor for the formation of new cell wall during cell division is:
1. Lamella
2. Microtubule
3. Vesicles
4. Cell-plate
Subtopic: Cell Division: Mitosis (Cytokinesis) |
80%
Level 1: 80%+
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Find the odd one out for G1 phase, from the following:
| 1. | Most of the cell organelles duplicate here |
| 2. | Involves protein synthesis |
| 3. | Centriole duplicates in cytoplasm |
| 4. | RNA formation occurs |
Subtopic: Intro to Cell Cycle & Interphase |
65%
Level 2: 60%+
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Mitosis or equational division in haploid cells is seen:
| 1. | Only in some lower plants |
| 2. | Both in plants and animals |
| 3. | in most of the animals |
| 4. | Only in some higher plants |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
63%
Level 2: 60%+
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Bivalents:
| 1. | Are formed in pachytene stage |
| 2. | Are made up of two non-homologous chromosomes |
| 3. | Are stabilized by synaptonemal complex |
| 4. | Consist of two chromatids only |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
68%
Level 2: 60%+
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Which process restores the diploid phase in life cycle of sexually reproducing organisms?
1. Fertilisation
2. Mitosis
3. Plasmogamy
4. Meiosis
1. Fertilisation
2. Mitosis
3. Plasmogamy
4. Meiosis
Subtopic: Cell Cycle: Meiosis I |
65%
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 |
91%
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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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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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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