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Q. No.Arrange the following stages of chromosomal behaviour during Prophase-I of meiosis in the correct sequence.
A. Appearance of recombination nodules
B. Formation of synaptonemal complex
C. Appearance of chiasmata
D. Terminalisation of chiasmata
E. Beginning of chromosomal compaction
Choose the correct answer from the options given below:
1. E, B, D, A, C
2. C, D, A, E, B
3. E, B, A, C, D
4. D, B, E, A, C
Subtopic: Cell Cycle: Meiosis I |
88%
From NCERT
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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
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 |
88%
From NCERT
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Given below are two statements:
Statement I: In mitosis, chromosomal number in the progeny as well as in parents remains the same
Statement II: Mitosis takes place in gametes
In light of the above statements, choose the most appropriate answer from the options given below:
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
Statement I: In mitosis, chromosomal number in the progeny as well as in parents remains the same
Statement II: Mitosis takes place in gametes
In light of the above statements, choose the most appropriate answer from the options given below:
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 |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
89%
From NCERT
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Consider the following phases of cell cycle
A. S
B. G2
3. G1
4. M
Choose the correct sequence of phases of cell cycle
1. C,A,B,D
2. D,B,A,C
3. A,C,B,D
4. C,A,D,B
A. S
B. G2
3. G1
4. M
Choose the correct sequence of phases of cell cycle
1. C,A,B,D
2. D,B,A,C
3. A,C,B,D
4. C,A,D,B
Subtopic: Intro to Cell Cycle & Interphase |
92%
From NCERT
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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 |
89%
From NCERT
NEET - 2022
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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 |
93%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
79%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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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
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 |
67%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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) |
65%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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