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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) |
67%
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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 |
76%
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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) |
60%
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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
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) |
76%
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
1. M-phase
2. G1 phase
3. G0 phase
4. G2 phase
Subtopic: Intro to Cell Cycle & Interphase |
64%
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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
1. Zygote
2. Microspore mother cell
3. Primary oocyte
4. Ovum
Subtopic: Cell Cycle: Meiosis I |
72%
From NCERT
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Subtopic: Cell Cycle: Meiosis I |
58%
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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 |
67%
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