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Q. No.During karyokinesis of mitosis phase, nuclear envelop is completely absent in:
1. Anaphase and telophase
2. Prophase and telophase
3. Metaphase and anaphase
4. Metaphase only
Subtopic: Cell Division: Mitosis (Karyokinesis) |
81%
From NCERT
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The structure that serves as site of attachment of spindle fibres is:
| 1. | Made up of histone proteins wrapped around by DNA. |
| 2. | A small disc shaped structure at the surface of centromere. |
| 3. | Terminal end of chromosome. |
| 4. | Present between two sister chromatids in centromere. |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
91%
From NCERT
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Unidentical chromatids of a chromosome move to opposite poles during:
1. Anaphase II
2. Telophase
3. Mitotic anaphase
4. Anaphase I
1. Anaphase II
2. Telophase
3. Mitotic anaphase
4. Anaphase I
Subtopic: Cell Cycle: Meiosis II |
54%
From NCERT
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Each centrosome radiates out microtubules called:
1. Desmotubules
2. Asters
3. Centromeres
4. Spindle fibres
1. Desmotubules
2. Asters
3. Centromeres
4. Spindle fibres
Subtopic: Cell Division: Mitosis (Karyokinesis) |
80%
From NCERT
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if 22 chromosomes are present at G1 phase the cycle then, the number of chromosomes after G2 phase will be:
1. 44
2. 22
3. 66
4. 11
1. 44
2. 22
3. 66
4. 11
Subtopic: Intro to Cell Cycle & Interphase |
89%
From NCERT
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Spindle fibres begin to form during __(i)___ and attach to specific site of chromosomes during __(ii)__.
Select the correct option to fill in the blanks (i) and (ii).
Select the correct option to fill in the blanks (i) and (ii).
| (i) | (ii) | |
| (1) | Prophase | Metaphase |
| (2) | Anaphase | Telophase |
| (3) | Metaphase | Anaphase |
| (4) | Prophase | Anaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
81%
From NCERT
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What will be the DNA content at the end of S-phase of cell if its meiotic products have 8 pg of DNA in each cell?
1. 8 pg
2. 16 pg
3. 4 pg
4. 32 pg
1. 8 pg
2. 16 pg
3. 4 pg
4. 32 pg
Subtopic: Intro to Cell Cycle & Interphase |
From NCERT
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Chromosomes of the future nuclei move away from the equatorial plate during anaphase of:
(a) Mitosis
(b) Meiosis I
(c) Meiosis II
The correct one(s) is/are:
1. (b) only
2. (a) and (b) only
3. All (a), (b) and (c)
4. (a) and (c) only
(a) Mitosis
(b) Meiosis I
(c) Meiosis II
The correct one(s) is/are:
1. (b) only
2. (a) and (b) only
3. All (a), (b) and (c)
4. (a) and (c) only
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
From NCERT
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The structure that function as a simple precursor for the formation of new cell wall during cell division is:
1. Lamella
2. Microtubule
3. Vesicles
4. Cell-plate
1. Lamella
2. Microtubule
3. Vesicles
4. Cell-plate
Subtopic: Cell Division: Mitosis (Cytokinesis) |
81%
From NCERT
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Find the odd one out for G1 phase, from the following:
1. Most of the cell organelles duplicate here
2. Involves protein synthesis
3. Centriole duplicates in cytoplasm
4. RNA formation occurs
1. Most of the cell organelles duplicate here
2. Involves protein synthesis
3. Centriole duplicates in cytoplasm
4. RNA formation occurs
Subtopic: Intro to Cell Cycle & Interphase |
65%
From NCERT
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