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  • Question 1
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    To build up food reserves in the cytoplasm, chromosomes become unfolded to start transcription of mRNA and rRNA, during which phase of meiosis I? 

  • Question 2
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    During meiosis -I, chromosome number?

  • Question 3
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    At which of the following stages, the chromosomes appear single, thin and thread like?

  • Question 4
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    Best material to study meiosis is

  • Question 5
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    Crossing over in diploid organism is responsible for

  • Question 6
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    Lampbrush chromosomes are seen in which typical stage?

  • Question 7
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    Identify the given figures showing meiotic phases and select the correct option.

  • Question 8
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    An anther has 1200 pollen grain. How many PMCs must have been there to produce them?

  • Question 9
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    If 2n = 4, then identify the figures A, B and C, as per the following codes and select the correct option.

     Anaphase of meiosis I = (i)
     Anaphase of mitosis = (ii)
     Anaphase of meiosis II = (iii)

  • Question 10
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    What does (i) and (ii) represent in the given flowchart?

  • Question 11
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    During meiosis - I in humans, one of the daughter cells receives

  • Question 12
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    The members of a homologous pair of chromosomes

  • Question 13
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    The figure given below shows a cell undergoing meiosis.


    Which of the options below shows the next stage in the process?

  • Question 14
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     Consider the given cellat metaphase-I stage undergoing normal meisois.

    Which of the following gametes will not be formed from this cell?

  • Question 15
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    Four different steps that occur during meiosis are given in the following list.
    (i) Complete separation of chromatids
    (ii) Pairing of homologous chromosomes 
    (iii) Lining up of paired chromosomes on equator
    (iv) Crossing over between chromatids
    Select the correct sequential arrangement of the steps.

  • Question 16
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    Meiosis consists of 

  • Question 17
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    While in mitosis, the daughter cells resemble each other and also the parent cell; in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to

  • Question 18
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    Disjunction refers to

  • Question 19
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    At what phase of meiosis there are two cells, each with separated sister chromatids that have been moved to opposite spindle poles?

  • Question 20
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    If gametes are produced after reduction division, they are termed as

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