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Q. No.The fruit fly has 8 chromosomes (2n) in each cell. During the interphase of mitosis, if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after the S phase?
1.
4
2.
32
3.
8
4.
16
Subtopic: Cell Division: Mitosis (Karyokinesis) |
82%
Level 1: 80%+
NEET - 2021
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Which stage of meiotic prophase shows terminalisation of chiasmata as its distincitve feature?
1. Diakinesis
2. Pachytene
3. Leptotene
4. Zygotene
Subtopic: Cell Cycle: Meiosis I |
89%
Level 1: 80%+
NEET - 2021
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Subtopic: Intro to Cell Cycle & Interphase |
80%
Level 1: 80%+
NEET - 2021
Hints
Match List-I with List-II
| List-I | List-II | ||
| (a) | S phase | i. | Proteins are synthesized |
| (b) | G2 phase | ii. | Inactive phase |
| (c) | Quiescent stage | iii. | Interval between mitosis and initiation of DNA replication |
| (d) | G1 phase | iv. | DNA replication |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | iv | i | ii | iii |
| 2. | ii | iv | iii | i |
| 3. | iii | ii | i | iv |
| 4. | iv | ii | iii | i |
Subtopic: Intro to Cell Cycle & Interphase |
89%
Level 1: 80%+
NEET - 2021
Hints
Which of the following stages of meiosis involves division of centromere?
1. Anaphase II
2. Telophase II
3. Metaphase I
4. Metaphase II
Subtopic: Cell Cycle: Meiosis II |
84%
Level 1: 80%+
NEET - 2021
Hints
Match the following events that occur in their respective phases of cell cycle and select the correct option:
| Column I | Column II | ||
| (a) | G1 phase | (i) | Cell grows and organelle duplication |
| (b) | S phase | (ii) | DNA replication and chromosome duplication |
| (c) | G2 phase | (iii) | Cytoplasmic growth |
| (d) | Metaphase in M-phase | (iv) | Alignment of chromosomes |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (i) | (ii) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Subtopic: Intro to Cell Cycle & Interphase |
89%
Level 1: 80%+
NEET - 2020
Hints
During Meiosis 1, in which stage synapsis takes place?
| 1. | Pachytene | 2. | Zygotene |
| 3. | Diplotene | 4. | Leptotene |
Subtopic: Cell Cycle: Meiosis I |
85%
Level 1: 80%+
NEET - 2020
Hints
Attachment of spindle fibers to kinetochores of chromosomes becomes evident in:
| 1. | Anaphase | 2. | Telophase |
| 3. | Prophase | 4. | Metaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
79%
Level 2: 60%+
NEET - 2020
Hints
In plant cell division, the formation of the new cell wall begins with the formation of a simple precursor called:
| 1. | the cell plate that represents the middle lamella |
| 2. | the cell plate that represents the primary cell wall |
| 3. | the cleavage furrow that represents the middle lamella |
| 4. | the contractile ring that represents the primary cell wall |
Subtopic: Cell Division: Mitosis (Cytokinesis) |
85%
Level 1: 80%+
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Splitting of centromere occurs in:
| 1. | Mitotic anaphase and Anaphase II |
| 2. | Mitotic anaphase and Anaphase I |
| 3. | Mitotic metaphase and Metaphase II |
| 4. | Mitotic metaphase and Metaphase I |
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis II |
81%
Level 1: 80%+
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