Statement I: | In animals, mitotic cell division is only seen in the diploid somatic cells. |
Statement II: | Plants can show mitotic divisions in both haploid and diploid cells. |
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Statement I: | In animal cells, cytokinesis is achieved by the appearance of a furrow in the plasma membrane. |
Statement II: | During cytokinesis in plant cells, the formation of the new cell wall begins with the formation of a simple precursor called the cell plate that represents the middle lamella between the walls of the two adjacent cells. |
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1. Pachytene of Prophase I | 2. Diplotene of Prophase I |
3. Metaphase II | 4. Anaphase II |
A: | Prophase I and arrow shows chiasmata |
B: | Anaphase I and arrow shows sister chromatids associated at centromere |
C: | Prophase II and arrows show attachment of spindle microtubules to kinetochore |
D: | Anaphase II and the diagram shows separated sister chromatids after the split of centromere |
1. | Only A, B and C | 2. | Only A, C and D |
3. | Only B, C and D | 4. | A, B, C and D |
Animal cell | Plant cell | |
A. | Furrow formed using actin and myosin | Vesicles from Golgi move to centre |
B. | The furrow reaches centre from periphery | Tubular structures merge to form plasma membrane |
C. | Cells pinched apart | Pectins deposited leading to formation of middle lamella |
1. | Only A and B | 2. | Only A and C |
3. | Only B and C | 4. | A, B and C |
A | B | C | D | |
1. | Interphase | Telophase | Prophase | Anaphase |
2. | Interkinesis | Anaphase | Prophase | Metaphase |
3. | Interkinesis | Telophase | Metaphase | Anaphase |
4. | Interphase | Prophase | Metaphase | Anaphase |
The given diagram shows the various stages that occur in mitotic division in a typical eukaryotic animal cell. Identify the correct chronological sequence in which they occur:
1. | A → B → C → D |
2. | C → A → D → B |
3. | D → A → C → B |
4. | B → A → D → C |
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1. | A → B → C → D → E |
2. | D → B → A → C → E |
3. | D → B → C → E → A |
4. | A → B → D → C → E |
I: | A-Interphase; B-G1 phase; C-S phase; D-G2 phase |
II: | P-Prophase; Q- Anaphase; R-Metaphase; S- Diakinesis |
III: | X-Karyokinesis; Y- Cytokinesis |
1. | Only III | 2. | Only I and III |
3. | Only II | 4. | I, II and III |
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A | B | C | D | E | F | |
1. | P arm | Q arm | Telomere | Non sister chromatids | Centro- some |
Spindle microtubules |
2. | Q arm | P arm | Secondary constriction | Sister chromatids | Kineto-chore | Polar microtubules |
3. | P arm | Q arm | Telomere | Sister chromatids | Kineto-chore | Spindle microtubules |
4. | Q arm | P arm | Primary constriction | Non Sister chromatids | Centro-mere | Spindle microfilaments |