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Plant Reproduct...

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  • Question 1
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    A bilobed dithecous anther had 50 microspore mother cells per microsporangium. How many male gametes this anther can produce?  

     

  • Question 2
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    Pollen grain of large number of species can be stored in:  

     

  • Question 3
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    In nature, inbreeding and out breeding of plants is regulated by------?

     

  • Question 4
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    Continued self pollination results in

     

  • Question 5
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    Abundant occurrence of fossilized pollen grain is due to resistant: 

     

  • Question 6
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    At the _______ end, embryogenesis happens.

     

  • Question 7
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    The correct sequence of parts of female reproductive organ in plants

     

  • Question 8
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    If an endosperm cell of angiosperm contain 24 chromosome, the number of chromosome in each cell of root is?  

     

  • Question 9
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    The meiocyte of an onion plant contains 32 chromosomes. Calculate the number of chromosomes found in its endosperm?

     

  • Question 10
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    Epiblast present in certain monocot embryo represents--------?

     

  • Question 11
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    A typical angiospemic embryo sac is though 8 nucleate is 7-celled. 8 nuclei includes______.

     

  • Question 12
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    The major approach towards the crop improvement programme is______.

     

  • Question 13
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    Which of the following parts of a plant take part in sexual reproduction?

     

  • Question 14
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    In which of the following plants fruit contain larger number of seed?

     

  • Question 15
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    Dormancy is the____.

     

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