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Arrange the following terms in the corre...

Arrange the following terms in the correct developmental sequence : Pollen grain , sporogenous tissue, microspore tetrad ,pollen mother cell, male gametes .

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The correct development sequence for the above terms is sporogenous tissue microspore tetrad pollen mother cell pollen grain male gametes .
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{: ( "Pollen", "Nector"),( "Pollen is a fine to coarse powdery substance comprising pollen grains which are male micrgrogametophytes of seed plants, which produce male gametes", "It is a sweet viscous secretion secreted by the flower of plants.") :}

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How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?