Q. No.Cells in phase:
1. terminate the cell cycle
2. exit the cell cycle
3. enter the cell cycle
4. suspend the cell cycle
| 1. | G1/S | 2. | G2 /M |
| 3. | M | 4. | Both G2/M and M |
During which phase(s) of the cell cycle, amount of DNA in a cell remains at 4 C level if the initial amount is denoted as 2C:
| 1. | G0 and G1 | 2. | G1 and S |
| 3. | Only G2 | 4. | G2 and M |
| 1. | Anaphase | 2. | Telophase |
| 3. | Prophase | 4. | Metaphase |
| 1. | Complete disintegration of nuclear envelope takes place. |
| 2. | Chromosomes are highly condensed. |
| 3. | Metaphase chromosomes are made up of four sister chromatids held together by centromere. |
| 4. | Chromosomes lie at the equator of the cell. |
| 1. | 4 | 2. | 32 |
| 3. | 8 | 4. | 16 |
Anaphase Promoting Complex (APC) is protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?
1. Chromosomes will be fragmented
2. Chromosomes will not segregate
3. Recombination of chromosome arms will occur
4. Chromosomes will not condense
A stage in cell division is shown in the figure. Select the answer which gives the correct identification of the stage with its characteristics:
|
1. |
Late anaphase |
Chromosomes move away from the equatorial plate, Golgi complex not present |
|
2. |
Cytokinesis |
Cell plate formed, mitochondria distributed between two daughter cells |
|
3. |
Telophase |
Endoplasmic reticulum and nucleolus not reformed yet |
|
4. |
Telophase |
Nuclear envelop reforms, Golgi complex reforms |
| List-I Event |
List-II Stage of Prophase-I (Meiosis - I) |
||
| A. | Chiasmata | I. | Pachytene |
| B. | Crossing over | II. | Diakinesis |
| C. | Synaptonemal complex formation |
III. | Diplotene |
| D. | Terminalisation of chiasmata | IV. | Zygotene |
| 1. | A-III,B-I,C-IV,D-II | 2. | A-II,B-I,C-III,D-IV |
| 3. | A-III,B-I,C-II,D-IV | 4. | A-II,B-III,C-IV,D-I |
| List-I (Events) | List-II(Prophase-I) | ||
| A. | Chromosomes start pairing together to form synaptonemal complex | I. | Pachytene |
| B. | Chromosomes visible under light microscope and compaction continues | II. | Zygotene |
| C. | Four chromatids of bivalent chromosomes become distinct and recombinant nodules appear | III. | Diplotene |
| D. | Dissolution of synaptonemal complex | IV. | Leptotene |
| 1. | A-II, B-I, C-IV, D-III | 2. | A-I, B-IV, C-III, D-III |
| 3. | A-III, B-II, C-IV, D-I | 4. | A-II, B-IV, C-I, D-III |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456887
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456887
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