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Q. No.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 |
55%
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:
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 |
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) |
80%
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 |
Subtopic: Intro to Cell Cycle & Interphase |
65%
From NCERT
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Mitosis or equational division in haploid cells is seen:
| 1. | Only in some lower plants |
| 2. | Both in plants and animals |
| 3. | in most of the animals |
| 4. | Only in some higher plants |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
63%
From NCERT
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