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Q. No.Consider the given two statements:
| Assertion (A): | Cell division is a very important process in all living organisms. |
| Reason (R): | During the division of a cell, DNA replication and cell growth also take place. |
| 1. | (A) is True; (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains (A) |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 4. | (A) is False; (R) is True |
Subtopic: Intro to Cell Cycle & Interphase |
From NCERT
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The events of a cell cycle:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | are themselves under genetic control |
| II: | have to take place in a coordinated way |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Intro to Cell Cycle & Interphase |
94%
From NCERT
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Which of the following is a continuous process during cell cycle?
a. Growth
b. DNA synthesis
1. Only a
2. Only b
3. Both a and b
4. Neither a nor b
a. Growth
b. DNA synthesis
1. Only a
2. Only b
3. Both a and b
4. Neither a nor b
Subtopic: Intro to Cell Cycle & Interphase |
81%
From NCERT
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A typical eukaryotic cell cycle is illustrated by human cells in culture. These cells divide once in:
1. about 90 minutes.
2. approximately every 24 hours.
3. nearly one week.
4. 120 days on an average.
1. about 90 minutes.
2. approximately every 24 hours.
3. nearly one week.
4. 120 days on an average.
Subtopic: Intro to Cell Cycle & Interphase |
90%
From NCERT
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The number of correct statements from the given statements regarding cell division in human somatic cells will be:
1. 1
2. 2
3. 3
4. 4
| I: | The M Phase represents the phase when the actual cell division or mitosis occurs. |
| II: | The interphase represents the phase between two successive M phases. |
| III: | The interphase lasts more than 95% of the duration of cell cycle. |
| IV: | During interphase, the cell is metabolically not active. |
2. 2
3. 3
4. 4
Subtopic: Intro to Cell Cycle & Interphase |
84%
From NCERT
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The phase of the cell cycle that lasts for the least time is the:
| 1. | G1 phase | 2. | S phase |
| 3. | G2 phase | 4. | M phase |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
84%
From NCERT
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Consider the given two statements:
| Assertion (A): | The interphase of the cell cycle is also called the resting phase. |
| Reason (R): | No metabolic activity takes place inside the cell during the interphase. |
| 1. | (A) is True; (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains (A) |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 4. | (A) is False; (R) is True |
Subtopic: Intro to Cell Cycle & Interphase |
85%
From NCERT
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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 |
Subtopic: Intro to Cell Cycle & Interphase |
72%
From NCERT
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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 |
Subtopic: Intro to Cell Cycle & Interphase |
87%
From NCERT
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Proteins are synthesized in preparation for mitosis during:
| 1. | G1 phase | 2. | S phase |
| 3. | G2 phase | 4. | M phase |
Subtopic: Intro to Cell Cycle & Interphase |
66%
From NCERT
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