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Q. No.Spindle fibers attach to kinetochores of chromosomes during
1.
Metaphase
2.
Anaphase
3.
Telophase
4.
Prophase
Subtopic: Cell Division: Mitosis (Karyokinesis) |
79%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the option given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | Chromosomes become gradually visible under light microscope during leptotene stage. |
| Statement II: | The begining of diplotene stage is recognized by dissolution of synaptonemal complex. |
In the light of the above statements, choose the correct answer from the option given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Cell Cycle: Meiosis I |
72%
Level 2: 60%+
NEET - 2024
Hints
Match List I with List II:
Choose the correct answer from the options given below:
1. A-I, B-II, C-IV, D-III
2. A-II, B-IV, C-I, D-III
3. A-IV, B-III, C-II, D-I
4. A-IV, B-II, C-III, D-I
| List I (Sub Phase of Prophase I) |
List II (Specific characters) |
||
| A. | Diakinesis | I. | Synaptonemal complex formation |
| B. | Pachytene | II. | Completion of terminalisation of chiasmata |
| C. | Zygotene | III. | Chromosomes look like thin threads |
| D. | Leptotene | IV. | Appearance of recombination nodules |
Choose the correct answer from the options given below:
1. A-I, B-II, C-IV, D-III
2. A-II, B-IV, C-I, D-III
3. A-IV, B-III, C-II, D-I
4. A-IV, B-II, C-III, D-I
Subtopic: Cell Cycle: Meiosis I |
87%
Level 1: 80%+
NEET - 2024
Hints
Following are the stages of cell division :
Choose the correct sequence of stages from the options given below :
1. E-B-D-A-C
2. B-D-E-A-C
3. E-C-A-D-B
4. C-E-D-A-B
| A. | Gap 2 phase |
| B. | Cytokinesis |
| C. | Synthesis phase |
| D. | Karyokinesis |
| E. | Gap I phase |
1. E-B-D-A-C
2. B-D-E-A-C
3. E-C-A-D-B
4. C-E-D-A-B
Subtopic: Intro to Cell Cycle & Interphase |
88%
Level 1: 80%+
NEET - 2024
Hints
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
79%
Level 2: 60%+
NEET - 2024
Hints
Consider the given two statements:
| Assertion (A): | Meiosis is the mechanism by which conservation of specific chromosome number of each species is achieved across generations in sexually reproducing organisms. |
| Reason (R): | Meiosis results in reduction of chromosome number by half in 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. | (A) is False but (R) is True. |
Subtopic: Cell Cycle: Meiosis I |
74%
Level 2: 60%+
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Hints
Please attempt this question first.
In meiosis, the splitting of the centromere of each chromosome takes place during:
| 1. | Metaphase I | 2. | Metaphase II |
| 3. | Anaphase I | 4. | Anaphase II |
Subtopic: Cell Cycle: Meiosis II |
78%
Level 2: 60%+
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Please attempt this question first.
Consider the given two statements:
| Statement I: | At Metaphase I the chromosomes align at the equator and the microtubules from opposite poles of the spindle get attached to the kinetochores of sister chromatids. |
| Statement II: | At metaphase II the bivalent chromosomes align on the equatorial plate and microtubules from the opposite poles of the spindle attach to the kinetochore of homologous chromosomes. |
| 1. | Statement I is correct and Statement II is incorrect. |
| 2. | Statement I is incorrect and Statement II is incorrect. |
| 3. | Statement I is correct and Statement II is correct. |
| 4. | Statement I is incorrect and Statement II is correct. |
Subtopic: Cell Cycle: Meiosis I |
61%
Level 2: 60%+
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Please attempt this question first.
Match the following column I with column II :
| Column I | Column II | ||
| A. | Carcinogen | 1. | Cancerous tumour |
| B. | Anaphase-I | 2. | Disjunction |
| C. | Mitotsis | 3. | Synapsis |
| D. | Zygotene | 4. | Plectonemic coiling |
| A | B | C | D | |
| 1. | 1 | 2 | 4 | 3 |
| 2. | 3 | 1 | 4 | 2 |
| 3. | 2 | 3 | 1 | 4 |
| 4. | 4 | 1 | 3 | 2 |
Subtopic: Cell Cycle: Meiosis I |
88%
Level 1: 80%+
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Hints
Post mitotic gap phase is characterised by all, except?
| 1. | synthesis of RNA and nucleotides |
| 2. | no change in DNA content |
| 3. | synthesis of histone proteins |
| 4. | growth phase of the cell |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
55%
Level 3: 35%-60%
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