Meiosis in diploid organisms results in

1.  production of gametes

2.  reduction in the number of chromosomes

3.  introduction of variation

4.  All of the above

Subtopic:  Cell Cycle: Meiosis I |
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At which stage of meiosis does the genetic constitution of gametes is finally decided

1. Metaphase-I

2. Anaphase-II

3. Metaphase-ll

4. Anaphase-I

Subtopic:  Cell Cycle: Meiosis I |
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Meiosis occursin organisms during

1.  sexual reproduction

2.  vegetative reproduction

3.  Both (a) and (b)

4.  None of these

Subtopic:  Cell Cycle: Meiosis I |
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During Anaphase-I of meiosis

1.  homologous chromosomes separate

2.  non-homologous autosomes separate

3.  sister chromatids separate

4.  non-sister chromatids separate

Subtopic:  Cell Cycle: Meiosis I |
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Mitosis is characterised by

1. reduction division

2. equal division

3.  Both (1) and (2)

4. pairing of homologous chromosomes

Subtopic:  Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
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A bivalent meiosis-I consists of

1.  two chromatids and one centromere

2.  two chromatids and two centromeres

3.  four chromatids and two centromeres

4.  four chromatids and four centromeres

Subtopic:  Cell Cycle: Meiosis I |
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Cells which are not dividing are likely to be at

1.  G1

2.  G2

3.  G0

4.  S-phase

Subtopic:  Intro to Cell Cycle & Interphase |
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Which of the events listed below is not observed during mitosis?

1.  Chromatin condensation

2.  Movementof centrioles to opposite poles

3.  Appearance of chromosomes with two chromosome joined together at the centromere

4.  Crossing over

Subtopic:  Intro to Cell Cycle & Interphase | Cell Division: Mitosis (Karyokinesis) | Cell Division: Mitosis (Cytokinesis) |
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Identify the wrong statement about meiosis

1.  Pairing of homologous chromosomes

2.  Four haploid cells are formed

3.  At the end of meiosis the number of chromosomes are reducedto half

4.  Two cycle of DNA replication occurs

Subtopic:  Cell Cycle: Meiosis I |
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Select the correct statement about G1 phase

1.  cell is metabolically inactive

2.  DNA in the cell does not replicate

3.  it is not a phase of synthesis of macromolecules

4.  cell stops growing

Subtopic:  Intro to Cell Cycle & Interphase |
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