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Q. No.During which stages of mitosis and meiosis, respectively, does the centromere of each chromosome split?
1.
Metaphase, Metaphase II
2.
Prophase, Telophase I
3.
Telophase, Anaphase I
4.
Anaphase, Anaphase II
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis II |
86%
From NCERT
NEET - 2023
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Subtopic: Intro to Cell Cycle & Interphase |
95%
From NCERT
NEET - 2023
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Select the correct sequence of substages of Prophase - I of Meiotic division
(A) Zygotene
(B) Pachytene
(C) Diakinesis
(D) Leptotene
(E) Diplotene
Choose the correct answer from the options given below:
(A) Zygotene
(B) Pachytene
(C) Diakinesis
(D) Leptotene
(E) Diplotene
Choose the correct answer from the options given below:
| 1. | (D), (B), (A), (E), (C) | 2. | (A), (B), (D), (E), (C) |
| 3. | (D), (A), (B), (E), (C) | 4. | (A), (D), (B), (C), (E) |
Subtopic: Cell Cycle: Meiosis I |
90%
From NCERT
NEET - 2023
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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) |
55%
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) |
75%
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 |
58%
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 |
71%
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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