Q. No.Identify the correct statements regarding G1 phase of the cell cycle:
| I: | It is the post-mitotic gap phase |
| II: | The cell is metabolically active and grows continuously |
| III: | Cell replicates its DNA |
| 1. | Only II | 2. | I and II only |
| 3. | Only I | 4. | I, II and III |
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What would be the DNA content and chromosome number in a cell at the end of S phase with 2C DNA content and 2N chromosome number in G1?
| 1. 4C and 4N | 2. 2C and 4N |
| 3. 4C and 2N | 4. 2C and 2N |
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Proteins are synthesized in preparation for mitosis during:
| 1. G1 phase | 2. S phase |
| 3. G2 phase | 4. M phase |
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The cells in the quiescent stage [G0] phase of the cell cycle:
1. exit from the S phase
2. continue the events of cell cycle and complete the division
3. are metabolically active
4. cannot ever proliferate
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The phase of the cell cycle during which DNA replication takes place is:
| 1. G1 phase | 2. S phase |
| 3. G2 phase | 4. M phase |
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Onion root tip has 16 chromosomes in each cell. How many chromosomes will the cell respectively have at G1 phase, after S phase and after M phase?
| 1. 16, 32, 16 | 2. 16, 32, 8 |
| 3. 16, 16, 8 | 4. 16, 16, 16 |
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The Mitotic [M] phase of a typical eukaryotic cell is divided into:
| 1. Two stages | 2. Three stages |
| 3. Four stages | 4. Five stages |
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In G1 phase, a cell has 2N chromosome content and 2C DNA content. The chromosome and DNA content at the end of S phase in this cell would be:
| 1. 1N; 1C | 2. 2N; 2C |
| 3. 2N; 4C | 4. 4N; 4C |
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