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 |
 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
Subtopic:  Cell Cycle: Meiosis I |
 71%
From NCERT
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Nucleoprotein complex formation stage is
1. Pachytene
2. Zygotene
3. Diplotene
4. Leptotene
Subtopic:  Cell Cycle: Meiosis I |
 58%
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Match the column I with column II
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
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)
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
Subtopic:  Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
 66%
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Formation and dissolution of synaptonemal complex takes place, respectively in
1. Zygotene and diakinesis
2. Zygotene and diplotene
3. Pachytene and diplotene
4. Pachytene and diakinesis
Subtopic:  Cell Cycle: Meiosis I |
 75%
From NCERT
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Which one is correct with respect to mitosis?
1. Prophase is the shortest phase
2. It occurs only in apical meristem
3. It occurs in diploid cells only
4. It helps in growth and repair of cells in multicellular organisms
Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
 85%
From NCERT
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The site of attachment of spindle fibers to chromosomes is
1. Centromere
2. Telomere
3. Kinetochore
4. Sister chromatids
Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 92%
From NCERT
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Which of the given statements is not related to cytokinesis of a plant cell?
1. New cell wall formation begins with the formation of a precursor called cell plate.
2. Distribution of plastids in two daughter cells
3. Wall formation starts in the centre
4. Formation of a furrow in the plasma membrane
Subtopic:  Cell Division: Mitosis (Cytokinesis) |
 78%
From NCERT
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Anastral and acentric cell division
1. Involves aster formation
2. Found in plants
3. Involves spindle fibers which arise from centrioles
4. Both (1) & (2)
Subtopic:  Intro to Cell Cycle & Interphase |
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