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Q. No.
Given below are two statements:
Assertion (A):
M phase is also known as equational division.
Reason (R):
In mitosis, number of chromosomes in the parent and the progency cells is the same.
1.
Both (A) and (R) are true and (R) is the correct explanation of (A).
2.
Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.
(A) is true but (R) is false.
4.
Both (A) and (R) are false.
Subtopic: Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) |
87%
From NCERT
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Given below are two statements:
| Assertion (A): | The chromosomes are spread through the cytoplasm of the cell in the metaphase. |
| Reason (R): | Complete disintegration of the nuclear envelope takes place in the metaphase. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
54%
From NCERT
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Given below are two statements:
| Assertion (A): | It is essential for a cell to divide, to restore the nucleo-cytoplasmic ratio. |
| Reason (R): | Cell growth disturbs the nucleo-cytoplasmic ratio. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
74%
From NCERT
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Given below are two statements:
| Assertion (A): | Meiosis does not occur in haploids cells. |
| Reason (R): | Haploid cells do not form gametes. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Intro to Cell Cycle & Interphase | Cell Cycle: Meiosis I |
From NCERT
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Given below are two statements:
| Assertion (A): | During anaphase-1 of meiosis, non-homologous chromosomes separate. |
| Reason (R): | There is splitting of centromere during anaphase-1. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
60%
From NCERT
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Given below are two statements:
| Assertion (A): | In anaphase stage chromatids move to opposite poles. |
| Reason (R): | Anaphase is the shortest phase. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
72%
From NCERT
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Given below are two statements:
| Assertion (A): | Detailed study of chromosome morphology is done at metaphase. |
| Reason (R): | At metaphase, chromosomes arrange at equatorial plate. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
66%
From NCERT
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Given below are two statements:
| Assertion (A): | Meiosis introduces new combination of traits in the progency. |
| Reason (R): | Meiosis involves crossing over. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
88%
From NCERT
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Given below are two statements:
| Assertion (A): | Cell division does not occur in asexually reproducing cells. |
| Reason (R): | Cell division is always equational. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Intro to Cell Cycle & Interphase | Cell Cycle: Meiosis I |
77%
From NCERT
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Given below are two statements:
| Assertion (A): | Meiosis induces new combination of traits in organisms. |
| Reason (R): | Crossing over occurs between sister chromatids of chromosomes. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
t.
Subtopic: Cell Cycle: Meiosis I |
71%
From NCERT
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