Q. No.Identify the correct match for the parts labeled A – F in the given diagram:
| A | B | C | D | E | F | |
| 1. | P arm | Q arm | Telomere | Non sister chromatids | Centro- some |
Spindle microtubules |
| 2. | Q arm | P arm | Secondary constriction | Sister chromatids | Kineto-chore | Polar microtubules |
| 3. | P arm | Q arm | Telomere | Sister chromatids | Kineto-chore | Spindle microtubules |
| 4. | Q arm | P arm | Primary constriction | Non Sister chromatids | Centro-mere | Spindle microfilaments |
Subtopic: Cell Cycle: Meiosis I |
74%
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Identify the correct statement amongst the following:
| 1. | Crossing over occurs in prophase I of meiosis and metaphase of mitosis. |
| 2. | DNA replication occurs once prior to mitosis and twice prior to meiosis. |
| 3. | Both mitosis and meiosis result in daughter cells identical to the parent cells. |
| 4. | Karyokinesis occurs once in mitosis and twice in meiosis. |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
79%
From NCERT
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In meiosis:
| 1. | A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced twice |
| 2. | A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced twice and DNA content getting reduced once |
| 3. | A single round of DNA replication is followed by two sequential divisions with chromosome number getting reduced once and DNA content getting reduced twice |
| 4. | A single round of DNA replication is followed by two sequential divisions with chromosome number and DNA content getting reduced once |
Subtopic: Cell Cycle: Meiosis I |
62%
From NCERT
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Meiosis results in the formation of:
1. Two genetically identical diploid cells
2. Two genetically non identical diploid cells
3. Four genetically identical haploid cells
4. Four genetically non identical haploid cells
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
66%
From NCERT
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Synapsis occurs between
1. mRNA and ribosomes
2. Spindle fibers and centromere
3. Two homologous chromosomes
4. A male and a female gamete
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
91%
From NCERT
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The enzyme recombinase is required at which stage of meiosis ?
| 1. | Pachytene | 2. | Zygotene |
| 3. | Diplotene | 4. | Diakinesis |
Subtopic: Cell Cycle: Meiosis I |
82%
From NCERT
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Subtopic: Cell Cycle: Meiosis I |
82%
From NCERT
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Match each item in Column I with one in Column II and select the correct answer from the codes given below:
|
Column I |
|
Column II |
|
|
A |
Zygotene |
a |
Pairing of homologous chromosomes |
|
B |
Pachytene |
b |
Appearance of chiasma |
|
C |
Diplotene |
c |
Terminalization of chiasma |
|
D |
Diakinesis |
d |
Crossing over |
Codes
| A | B | C | D | |
| 1. | a | c | b | d |
| 2. | a | d | b | c |
| 3. | a | b | c | d |
| 4. | b | c | d | a |
Subtopic: Cell Cycle: Meiosis I |
93%
From NCERT
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The cell shown in the given diagram is in:
 |
|
Subtopic: Cell Cycle: Meiosis I |
71%
From NCERT
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The given diagram shows the various stages that occur in Prophase I of the first meiotic division. Identify the correct chronological sequence in which they occur:
| 1. | A → B → C → D → E |
| 2. | D → B → A → C → E |
| 3. | D → B → C → E → A |
| 4. | A → B → D → C → E |
Subtopic: Cell Cycle: Meiosis I |
51%
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