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Q. No.Post-mitotic gap phase is characterised by all, except
1.
Synthesis of histone proteins
2.
Synthesis of RNA and nucleotides
3.
Most-variable in length
4.
No change in DNA contents
Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
66%
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Duplication of DNA occurs in a phase which is also associated with synthesis of
1. RNA
2. Histone
3. Cyclins
4. ATP
1. RNA
2. Histone
3. Cyclins
4. ATP
Subtopic: Intro to Cell Cycle & Interphase |
75%
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Which of the following duplicates in cytoplasm in S-phase?
1. Chromosome
2. Centrioles
3. Chromatid
4. DNA
2. Centrioles
3. Chromatid
4. DNA
Subtopic: Intro to Cell Cycle & Interphase |
70%
From NCERT
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Which of the following is correctly matched?
| 1 | Spireme stage | – | Late prophase |
| 2 | Congression stage | – | Metaphase |
| 3 | Interzonal fibres formation | – | Telophase |
| 4 | Reappearance of ER and Golgi bodies | – | Anaphase |
Subtopic: Cell Division: Mitosis (Karyokinesis) |
61%
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Centrifugal cytokinesis
| 1. | Occurs in animals |
| 2. | Occurs by cell furrowing |
| 3. | Occurs by cell plate formation |
| 4. | Is characteristic of bacteria and lower plants only |
Subtopic: Cell Division: Mitosis (Cytokinesis) |
75%
From NCERT
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Identify the phase at which most organelles duplicate
| 1. | M-phase | 2. | G1 phase |
| 3. | G0 phase | 4. | G2 phase |
Subtopic: Intro to Cell Cycle & Interphase |
62%
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Which one of the following is not a diploid cell?
| 1. | Zygote |
| 2. | Microspore mother cell |
| 3. | Primary oocyte |
| 4. | Ovum |
Subtopic: Cell Cycle: Meiosis I |
72%
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Subtopic: Cell Cycle: Meiosis I |
59%
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Match the column I with column II
1. a(ii), b(i), c(iii), d(iv)
2. a(ii), b(i), c(iv). d(iii)
3. a(i), b(ii), c(iii), d(iv)
4. a(iii),b(ii), c(i), d(iv)
| Column I | Column II | ||
| a | Appearance of recombination nodules | (i) | Diplotene |
| b | Desynapsis | (ii) | Pachytene |
| c | Disjunction of homologous chromosomes | (iii) | Anaphase-I |
| d | Centromere division | (iv) | Anaphase-II |
2. a(ii), b(i), c(iv). d(iii)
3. a(i), b(ii), c(iii), d(iv)
4. a(iii),b(ii), c(i), d(iv)
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
79%
From NCERT
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Number of meiotic divisions required to produce 1000 pollen grains in wheat is
1. 250
2. 500
3. 1000
4. 1250
1. 250
2. 500
3. 1000
4. 1250
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
68%
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