Q. No.Identify the stage of meiotic cell division shown in the given diagram:
1.
Anaphase I
2.
Anaphase II
3.
Telophase I
4.
Telophase II
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The beginning of diplotene is recognized by:
| I: | dissolution of the synaptonemal complex |
| II: | the tendency of recombined homologues of bivalents to separate |
| III: | tetrads becoming clearly visible |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II, and III |
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Meiosis results in
1. Production of gametes
2. Reduction in the number of chromosomes
3. Introduction of variation
4. All of the above
Meiosis occurs in organism during
1. Sexual reproduction
2. Vegetative reproduction
3. Both sexual and vegetative reproduction
4. None of these above
During anaphase I of meiosis
1. Homologous chromosomes separate
2. Non-homologous autosomes separate
3. Sister chromatids separate
4. Non-sister chromatids separate
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Meiosis is characterised by
1. Reduction division
2. Equal division
3. Both reduction and equal division
4. None of these
A bivalent of 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
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Which of the events listed below is not observed during mitosis?
1. Chromatin condensation
2. Movement of centrioles to opposite poles
3. Appearance of chromosomes with two chromattids joined together at the centromere
4. Crossing over
Identify the wrong statement about meiosis
1. Pairing of homologues chromosomes
2. Four haploid cells are formed
3. At the end of meiosis the number of chromosomes are reduced to half
4. Two cycle of DNA replication occurs
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