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Q. No.Arrange in correct sequence with respect of Meiosis-I
A.
Crossing over
B.
Chiasmata formation
C.
Compaction of chromosome
D.
Disappearance of nucleolus and breakdown of nuclear envelop
E.
Formation of synaptonemal complex
Choose the correct from the options given below
1. A>B>C>D>E
2. C>E>A>B>D
3. D>B>C>E>A
4. A>D>C>B>E
Subtopic: Cell Cycle: Meiosis I |
89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | In mitosis, chromosomal number in the progeny as well as in parents remains the same |
| Statement II: | Mitosis takes place in gametes |
| 1. | Both statement I and statement II are correct |
| 2. | Both statement I and statement II are incorrect |
| 3. | Statement I is correct but statement II is incorrect |
| 4. | Statement I is incorrect but statement II is correct |
Subtopic: Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
Level 3: 35%-60%
Hints
Arrange the steps of cell division in the correct order
A. Cytokinesis
B. Metaphase
C. Anaphase
D. Telophase
E. Prophase
Choose the correct answer from the options given below
1. E, B, C, A, D
2. A, B, C, D, E
3. E, B, C, D, A
4. A, B, C, E, D
A. Cytokinesis
B. Metaphase
C. Anaphase
D. Telophase
E. Prophase
Choose the correct answer from the options given below
1. E, B, C, A, D
2. A, B, C, D, E
3. E, B, C, D, A
4. A, B, C, E, D
Subtopic: Intro to Cell Cycle & Interphase |
90%
Level 1: 80%+
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Please attempt this question first.
Which stage of meiosis can last for months or years in the oocytes of some vertebrates?
1. Leptotene
2. Pachytene
3. Diplotene
4. Diakinesis
1. Leptotene
2. Pachytene
3. Diplotene
4. Diakinesis
Subtopic: Cell Cycle: Meiosis I |
91%
Level 1: 80%+
NEET - 2022
Hints
In meiosis, crossing over and exchange of genetic material between homologous chromosomes are catalyzed by the enzyme.
1. Phosphorylase
2. Recombinase
3. Transferase
4. Polymerase
1. Phosphorylase
2. Recombinase
3. Transferase
4. Polymerase
Subtopic: Cell Cycle: Meiosis I |
94%
Level 1: 80%+
NEET - 2022
Hints
Identify the correct sequence of events during Prophase I of meiosis:
Choose the correct answer from the options given below:
1. (a), (b), (c), (d), (e)
2. (b), (c), (d), (e), (a)
3. (b), (a), (c), (e), (d)
4. (a), (c), (d), (e), (b)
| a. | Synapsis of homologous chromosomes |
| b. | Chromosomes become gradually visible under a microscope |
| c. | Crossing over between non-sister chromatids of homologous chromosomes |
| d. | Terminalisation of chiasmata |
| e. | Dissolution of synaptonemal complex |
Choose the correct answer from the options given below:
1. (a), (b), (c), (d), (e)
2. (b), (c), (d), (e), (a)
3. (b), (a), (c), (e), (d)
4. (a), (c), (d), (e), (b)
Subtopic: Cell Cycle: Meiosis I |
83%
Level 1: 80%+
NEET - 2022
Hints
Bivalent or Tetrad formation is a characteristic feature observed during :
| 1. | Synaptonemal complex in the zygotene stage |
| 2. | Chiasmata in the diplotene stage |
| 3. | Synaptonemal complex in the pachytene stage |
| 4. | Chiasmata in the zygotene stage |
Subtopic: Cell Cycle: Meiosis I |
69%
Level 2: 60%+
NEET - 2022
Hints
With respect to metaphase, which of the following statements is incorrect ?
| 1. | Complete disintegration of nuclear envelope takes place. |
| 2. | Chromosomes are highly condensed. |
| 3. | Metaphase chromosomes are made up of four sister chromatids held together by centromere. |
| 4. | Chromosomes lie at the equator of the cell. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
67%
Level 2: 60%+
NEET - 2022
Hints
The event shown in the given diagram takes place during:
| 1. Pachytene of Prophase I | 2. Diplotene of Prophase I |
| 3. Metaphase II | 4. Anaphase II |
Subtopic: Cell Cycle: Meiosis I |
85%
Level 1: 80%+
Hints
A and B in the given diagram are events seen in Meiosis I and C and D are events seen in Meiosis II. Identify the correct match:
| A: | Prophase I and arrow shows chiasmata |
| B: | Anaphase I and arrow shows sister chromatids associated at centromere |
| C: | Prophase II and arrows show attachment of spindle microtubules to kinetochore |
| D: | Anaphase II and the diagram shows separated sister chromatids after the split of centromere |
| 1. | Only A, B and C | 2. | Only A, C and D |
| 3. | Only B, C and D | 4. | A, B, C and D |
Subtopic: Cell Cycle: Meiosis I |
62%
Level 2: 60%+
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